Technical Service Bulletins (TSBs) for the 2020 A220 are official communications between Mercedes-Benz & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #LI46.10-P-077314

      Date Announced:
      JAN 24, 2024
      NHTSA ID:
      #10249495

      Noises in the steering column area when steering. Under analysis. Check which area of the steering column the noises occur in. Read More »

    • TSB #LI46.10-P-077313

      Date Announced:
      JAN 24, 2024
      NHTSA ID:
      #10249482

      The steering wheel generates grinding noises between the steering wheel and steering column switch module during steering maneuvers See example file in the attachments area: Lenkrad-Schleifger??A?usch_SteeringWheel-GrindingNoises. Read More »

    • TSB #LI46.15-P-063353

      Date Announced:
      DEC 01, 2022
      NHTSA ID:
      #10228807

      Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams. Read More »

    • TSB #LI46.35-P-074816

      Date Announced:
      NOV 01, 2022
      NHTSA ID:
      #10227143

      Complaint Squeaking noise from area of input shaft of electric steering Cause Inadequate lubrication. Remedy Grease/lubricate sealing area of input shaft. Read More »

    • TSB #LI46.35-P-075129

      Date Announced:
      SEP 02, 2022
      NHTSA ID:
      #10222464

      Complaint Vibrations in steering at speeds lower than 30 mph. Possible when turning and also partly noticeable after changing to winter or all-season tires. Read More »

    • TSB #LI46.15-P-070510

      Date Announced:
      JUL 11, 2022
      NHTSA ID:
      #10217158

      Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steering column. Read More »

    • TSB #LI46.35-P-074816

      Date Announced:
      MAY 09, 2022
      NHTSA ID:
      #10213049

      Complaint Squeaking noise from area of input shaft of electric steering Cause Inadequate lubrication. Remedy Grease/lubricate sealing area of input shaft. Read More »

    • TSB #LI46.11-P-071594

      Date Announced:
      MAR 19, 2021
      NHTSA ID:
      #10191272

      Steering wheel heater and/or Distronic cannot be activated. Remedy: Update software for steering wheel electronics control unit ("N 135 - Steering wheel electronics (LRE)"). Read More »

    • TSB #LI32.20-P-072611

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10191276

      Noise from the front axle when steering while stationary or when steering at low speeds Read More »

    STEERING: STEERING WHEEL/HANDLE BAR

    • TSB #LI46.11-P-071594

      Date Announced:
      AUG 07, 2020
      NHTSA ID:
      #10179955

      Steering wheel heater and/or Distronic function limited Read More »

    STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER

    STEERING:ELECTRIC POWER ASSIST SYSTEM

    • TSB #LI46.35-P-071285

      Date Announced:
      JUN 17, 2020
      NHTSA ID:
      #10177560

      Noticeable vibrations at steering wheel when parking or steering slowly while stationary. Possible controller oscillations in the electric power steering. Perform software update of the electric power steering. Read More »

    SUSPENSION

    • TSB #LI35.31-P-072105

      Date Announced:
      MAR 12, 2021
      NHTSA ID:
      #10191281

      Humming noises or vibrations from the area of the rear axle when maneuvering or moving off at traffic lights/intersections. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #LI42.15-P-074455

      Date Announced:
      FEB 25, 2022
      NHTSA ID:
      #10208737

      Complaint Brake squeal from front axle when braking to a standstill. Cause Frictional vibrations between brake lining and brake disk. There is no impact to braking capabilities. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

    • TSB #NCU-2020080023

      Date Announced:
      AUG 28, 2020
      NHTSA ID:
      #10179976

      Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that certain MY 2019-2021 A-Class (177 platform), CLA-Class (118 platform), GLA-Class (247 platform), and GLB-Class (247 platform) vehicles might not be ... Read More »

    ENGINE (PWS)

    • TSB #NCU-2020120003

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10186155

      Correct tightening torque of threaded connection between exhaust system and catalytic converter Read More »

    • TSB #LI27.00-P-071367

      Date Announced:
      JUN 29, 2020
      NHTSA ID:
      #10177567

      When leaving gliding mode, the transmission can shift to neutral by itself. The complaint only occurs in drive program E. Check software release of transmission control unit and perform a software update. Read More »

    • TSB #LI54.30-P-070030

      Date Announced:
      JUN 29, 2020
      NHTSA ID:
      #10177568

      After starting the engine, the instrument cluster display (A40/16) may show "4MATIC inoperative" erroneously.Notes: Vehicles not equipped with 4MATIC are predominantly affected. Read More »

    • TSB #LI00.20-P-070791

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10177559

      The following customer complaints may be noted: - "Service A/B Due" message is displayed in the instrument cluster before the appropriate mileage or date is reached - "Service A/B Due: Do you want to make an appointment?" pop-up message ... Read More »

    • TSB #LI54.30-P-070482

      Date Announced:
      MAY 19, 2020
      NHTSA ID:
      #10176663

      Check engine indicator light active and fault code P261029/P02FF85/P02FF02 stored in engine control unit Read More »

    ENGINE AND ENGINE COOLING

    • TSB #LI47.20-P-071172

      Date Announced:
      APR 23, 2024
      NHTSA ID:
      #10253715

      Check engine light active and FC P146364 Temp. and pressure sensor B4/7 is stored in Engine control unit and Fuel pump control unit. Software parameter in Fuel pump control unit. Read More »

    • TSB #ELW-ExhaustValve

      Date Announced:
      AUG 03, 2023
      NHTSA ID:
      #10241534

      In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (a??MBUSAa??) is extending the warranty coverage on the exhaust valve system in ... Read More »

    • TSB #LI05.10-P-075373

      Date Announced:
      OCT 01, 2022
      NHTSA ID:
      #10225807

      Complaint Chirping or tapping noise originating in area of front crankshaft pulley when engine cold. Noise may lessen as engine reaches operating temperature. Attachments File Description M260 noise. Read More »

    • TSB #LI54.10-P-071832

      Date Announced:
      JUL 20, 2022
      NHTSA ID:
      #10217159

      Complaint - Vehicle cannot be unlocked/ vehicle does not start - Display message in instrument cluster "Battery - Start Engine - see Operator's Manual Cause Root cause is a bus keepawake in either the Headlight control unit or in one ... Read More »

    • TSB #SC-2022050023

      Date Announced:
      JUN 02, 2022
      NHTSA ID:
      #10215223

      Update engine electronics (ME-SFI) control unit software Model 177 Read More »

    • TSB #LI09.00-P-074093

      Date Announced:
      DEC 08, 2021
      NHTSA ID:
      #10206077

      "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 a?? Boost Pressure is Too High"" " Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #ELW-ExhaustValve

      Date Announced:
      AUG 03, 2023
      NHTSA ID:
      #10241534

      In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (a??MBUSAa??) is extending the warranty coverage on the exhaust valve system in ... Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #LI47.20-P-071172

      Date Announced:
      APR 23, 2024
      NHTSA ID:
      #10253715

      Check engine light active and FC P146364 Temp. and pressure sensor B4/7 is stored in Engine control unit and Fuel pump control unit. Software parameter in Fuel pump control unit. Read More »

    • TSB #EW - FSCM SW

      Date Announced:
      APR 12, 2024
      NHTSA ID:
      #10253706

      IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC ("MBUSA") is extending the ... Read More »

    • TSB #ELW - Fuel Hose

      Date Announced:
      JUL 21, 2023
      NHTSA ID:
      #10240204

      In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (a??MBUSAa??) is extending the warranty coverage on the fuel supply hose in ... Read More »

    • TSB #LI8860P073470

      Date Announced:
      AUG 11, 2021
      NHTSA ID:
      #10205814

      Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning Read More »

    • TSB #LI47.10-P-068407

      Date Announced:
      DEC 16, 2019
      NHTSA ID:
      #10170533

      Fuel tank overfilling due to malfunctioning fill station dispenser- model series 167, 177, 118, 247 Read More »

    • TSB #LI49.10-P-064655

      Date Announced:
      NOV 21, 2019
      NHTSA ID:
      #10169599

      Squeaking Noise from Exhaust Gas Flap Read More »

    FUEL SYSTEM, GASOLINE:STORAGE

    • TSB #LI8860P073470

      Date Announced:
      AUG 11, 2021
      NHTSA ID:
      #10205814

      Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning Read More »

    FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

    • TSB #LI47.50-P-070263

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10177566

      Check engine light active and FC P146264 Temp. and pressure sensor B4/7 is stored in engine control unit and tank control unit. Software parameter in Fuel pump control unit. Update SW in FSCU control unit. Read More »

    POWER TRAIN

    • TSB #NCU-2022100008

      Date Announced:
      OCT 28, 2022
      NHTSA ID:
      #10225805

      Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz, has determined that on certain MY 2019-2020 A-Class and CLA-Class (118 and 177 platform) vehicles, the transmission control unit software does not correspond with the ... Read More »

    • TSB #NCU-2022050022

      Date Announced:
      JUN 03, 2022
      NHTSA ID:
      #10215220

      Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz, has determined that on certain MY 2019-2020 CLA-Class, A-Class, and GLB-Class (118, 177, and 247 platform) vehicles, the transmission control unit software may not ... Read More »

    • TSB #LI2740P073393

      Date Announced:
      AUG 05, 2021
      NHTSA ID:
      #10205786

      Transmission does not shift into reverse. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #LI00.20-P-070791

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10177559

      The following customer complaints may be noted: - "Service A/B Due" message is displayed in the instrument cluster before the appropriate mileage or date is reached - "Service A/B Due: Do you want to make an appointment?" pop-up message ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #LI27.00-P-071367

      Date Announced:
      JUN 29, 2020
      NHTSA ID:
      #10177567

      When leaving gliding mode, the transmission can shift to neutral by itself. The complaint only occurs in drive program E. Check software release of transmission control unit and perform a software update. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)

    • TSB #LI27.60-P-071321

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10177545

      Message in the IC "Gear Change to R Not Possible", the even gears are locked. Fault code P092500 is present in control unit Y3/14n4 (DKG) in combination with extended freeze frame data 25 F2 (see attachment). Read More »

    ELECTRICAL SYSTEM

    • TSB #CL - 240401

      Date Announced:
      APR 30, 2024
      NHTSA ID:
      #10253708

      In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (MBUSA) is extending the coverage for the Fuel System Control Module (FSCM) software ... Read More »

    • TSB #OTA - 20240402

      Date Announced:
      APR 26, 2024
      NHTSA ID:
      #10253703

      This is to notify you of the Service Campaign OTA update for the MBUX system software in 750,313 Model Year (MY) MY19-24 A-Class, CLA, CLS, E-Class, EQB, GLA, GLB, GLC, GLE, GLS, GT 4-door (177, 118, 257, 213, 238, 243, 247, 253,167, 290 ... Read More »

    • TSB #LI47.20-P-071172

      Date Announced:
      APR 23, 2024
      NHTSA ID:
      #10253715

      Check engine light active and FC P146364 Temp. and pressure sensor B4/7 is stored in Engine control unit and Fuel pump control unit. Software parameter in Fuel pump control unit. Read More »

    • TSB #EW - FSCM SW

      Date Announced:
      APR 12, 2024
      NHTSA ID:
      #10253706

      IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC ("MBUSA") is extending the ... Read More »

    • TSB #LI82.60-P-077553

      Date Announced:
      FEB 23, 2024
      NHTSA ID:
      #10251356

      The radio station favorites list is no longer present after bus idle Saving process during download Perform software update in control unit HU6 in the head unit (A26/17) to version E871.1 (A 247 904 53 00). Read More »

    • TSB #LI82.60-P-077495

      Date Announced:
      FEB 15, 2024
      NHTSA ID:
      #10251118

      After clicking on the "Radio" selection function, the radio does not start and instead a permanent loading wheel is displayed. See attached picture for example. Read More »

    • TSB #OTA-24240201

      Date Announced:
      FEB 09, 2024
      NHTSA ID:
      #10251176

      Mercedes-Benz AG (??A???A???A?MBAG??A???A???A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY20-23 A-Class, C-Class, CLA, CLS, E-Class, GLA, GLB, GLC, GLE, GLS, AMG GT, S-Class (177, 205, 118, 257, 213, ... Read More »

    • TSB #NCU-OTA Comm Mod

      Date Announced:
      JAN 29, 2024
      NHTSA ID:
      #10249540

      Mercedes-Benz AG (??A?A?MBAG??A?A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2019-2023 A-Class, CLA, E-Class, G-Class, GLA, GLB, GLC, GLE, GLS, and S-Class (177, 118, 238, 463, 247, 253, 167, and 222 ... Read More »

    • TSB #LI80.50-P-077350

      Date Announced:
      JAN 12, 2024
      NHTSA ID:
      #10249537

      Complaint Customer complains about anti-theft alarm system triggering without obvious cause when the vehicle is parked and/or when entering the vehicle. All MFA2 and 167 derivates with code 882 may be affected. Read More »

    • TSB #CL-CommMod

      Date Announced:
      JAN 05, 2024
      NHTSA ID:
      #10249740

      Dear Mercedes-Benz Owner: On behalf of Mercedes-Benz USA, LLC (MBUSA), thank you for being a part of the Mercedes-Benz family. We hope that you??A?A?re enjoying your vehicle. Read More »

    • TSB #OTA-Comm Mod SW

      Date Announced:
      DEC 07, 2023
      NHTSA ID:
      #10248195

      Mercedes-Benz AG (??A?A?MBAG??A?A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY19-23 A-Class, C-Class, CLA, CLS, E-Class, EQB, G-Class, GLA, GLB, GLC, GLE, GLS, AMG GT, S-Class (177, 205, 118, 257, 213, ... Read More »

    • TSB #OTA-Head Unit SW

      Date Announced:
      DEC 01, 2023
      NHTSA ID:
      #10248203

      Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY19-23 A-Class, CLA, CLS, E-Class, EQB, GLA, GLB, GLC, GLE, GLS, AMG GT (177, 118, 257, 213, 238, 243, 247, 253,167, 290 platform) vehicles, the ... Read More »

    • TSB #LI82.85-P-076800

      Date Announced:
      OCT 10, 2023
      NHTSA ID:
      #10244837

      The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle. The fault code B129C00 is stored in the control unit log. Read More »

    • TSB #NCU-HU SW Update

      Date Announced:
      AUG 28, 2023
      NHTSA ID:
      #10241527

      Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2018-2023 C-Class, EQE, EQE SUV, EQS, EQS SUV, GLC, GLE and S-Class (206, 295, 294, 297, 296, 254, 167 and 223 platform) ... Read More »

    • TSB #LI82.85-P-075375

      Date Announced:
      JUN 09, 2023
      NHTSA ID:
      #10238424

      In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of A?C, or vice versa). Read More »

    • TSB #LI82.20-P-074734

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235667

      Complaint Ambient lighting malfunctions sporadically, mainly in the Ocean Blue color value and with animation "ON". After the next ignition cycle, the ambient lighting functions again correctly. Read More »

    • TSB #LI72.20-P-075746

      Date Announced:
      JAN 05, 2023
      NHTSA ID:
      #10231032

      Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Read More »

    • TSB #LI82.60-P-075292

      Date Announced:
      SEP 08, 2022
      NHTSA ID:
      #10222481

      Complaint Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All Stations" or a different category. Read More »

    • TSB #LI54.10-P-071832

      Date Announced:
      JUL 20, 2022
      NHTSA ID:
      #10217159

      Complaint - Vehicle cannot be unlocked/ vehicle does not start - Display message in instrument cluster "Battery - Start Engine - see Operator's Manual Cause Root cause is a bus keepawake in either the Headlight control unit or in one ... Read More »

    • TSB #LI82.85-P-075044

      Date Announced:
      JUL 08, 2022
      NHTSA ID:
      #10217163

      Complaint The Apple Carplay interface cannot be controlled via the center console touchpad or the right-hand steering wheel touchpad. Read More »

    • TSB #NCU-2022060008

      Date Announced:
      JUN 30, 2022
      NHTSA ID:
      #10215016

      Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2020-2022 A-Class, C-Class, CLAClass, GLA-Class, GLB-Class, GLC-Class, GLE-Class, and GLS-Class (118, 167, ... Read More »

    • TSB #LI82.60-P-072403

      Date Announced:
      APR 14, 2022
      NHTSA ID:
      #10210929

      Complaint Volume and bass level too low Cause Current sound amp (N40/3) software release. Important: a?? On vehicles with standard sound, the rear subwoofer (H21/35) emits the engine sound only (if equipped with M139 engine) a?? On ... Read More »

    • TSB #LI40.15-P-074659

      Date Announced:
      APR 01, 2022
      NHTSA ID:
      #10210926

      Complaint Fault message (yellow) in instrument cluster and TPM warning lamp. Individual or all tire pressure sensors are not recognized. Tire pressure monitoring system nonfunctional / temporarily unavailable. Read More »

    • TSB #SC-2022020018

      Date Announced:
      MAR 04, 2022
      NHTSA ID:
      #10209872

      Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020 A-Class (177 platform) vehicles, the ATA control unit coding may not correspond to the current production specifications. Read More »

    • TSB #LI82.85-P-069961

      Date Announced:
      FEB 24, 2022
      NHTSA ID:
      #10208745

      Complaint The following complaints may be noted by the customer: a?? Upon selecting navigation, the central display may show the following message: "Map data does not match with your system. Read More »

    • TSB #LI68.05-P-060306

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10207198

      Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. Read More »

    • TSB #LI82.60-P-072403

      Date Announced:
      DEC 22, 2021
      NHTSA ID:
      #10206078

      "Model series 118, 177, and 247 with M139 engine and wi- thout code 810 - sound system volume and bass level too low " Read More »

    • TSB # LI82.85-P-06996

      Date Announced:
      DEC 02, 2021
      NHTSA ID:
      #10206067

      MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activated Read More »

    • TSB #LI8285P073418

      Date Announced:
      AUG 24, 2021
      NHTSA ID:
      #10205813

      On vehicles with code 077 HERMES dummy module the following functions are restricted, unavailable. Read More »

    • TSB #LI80.57-P-072708

      Date Announced:
      MAR 24, 2021
      NHTSA ID:
      #10191271

      Engine switches off again when re-attempting Remote Start via Mercedes me App. This only occurs if the first Remote Start via the Mercedes me App was canceled and then started again. Read More »

    • TSB #LI82.85-P-071394

      Date Announced:
      FEB 24, 2021
      NHTSA ID:
      #10189407

      In XENTRY diagnosis, the message "MBUX multimedia system control unit is defective (hard drive, internal fault)" appears while attempting to communicate with the MBUX multimedia system (A26/17) Read More »

    • TSB #LI00.20-P-070791

      Date Announced:
      AUG 28, 2020
      NHTSA ID:
      #10179904

      Implausible "service due" instrument cluster message, head unit pop-up, or Mmc message Read More »

    • TSB #LI82.85-P-071394

      Date Announced:
      JUN 30, 2020
      NHTSA ID:
      #10177569

      In XENTRY diagnosis, the message "MBUX multimedia system control unit is defective (hard drive, internal fault)" appears while attempting to communicate with the MBUX multimedia system (A26/17). Internal hard drive defect. Read More »

    • TSB #LI91.30-P-069668

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10177558

      The seat heating in the vehicle cannot be activated. When the seat heating button is pressed the 3 red LEDs light up briefly and then go off again after a brief period (approx. 3 seconds). Read More »

    • TSB #LI00.20-P-070791

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10177559

      The following customer complaints may be noted: - "Service A/B Due" message is displayed in the instrument cluster before the appropriate mileage or date is reached - "Service A/B Due: Do you want to make an appointment?" pop-up message ... Read More »

    • TSB #LI27.60-P-071321

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10177545

      Message in the IC "Gear Change to R Not Possible", the even gears are locked. Fault code P092500 is present in control unit Y3/14n4 (DKG) in combination with extended freeze frame data 25 F2 (see attachment). Read More »

    • TSB #LI54.21-P-070658

      Date Announced:
      JUN 05, 2020
      NHTSA ID:
      #10177544

      A fixed SRS message is displayed in the instrument cluster. Cause is not safety-relevant and does not affect function of safety systems. Read More »

    • TSB #LI00.20-P-070791

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176665

      Implausible "service due" instrument cluster message, head unit pop-up, or MMC message Read More »

    • TSB #LI54.30-P-069821

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176664

      Instrument cluster display (driver's side) intermittently remains dark Read More »

    • TSB #P-SC-2020020010

      Date Announced:
      FEB 10, 2020
      NHTSA ID:
      #10172687

      Font Size of Indicator Lamps in the Instrument Cluster Read More »

    • TSB #LI00.20-P-070791

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171651

      Invalid "service due" instrument cluster message, head unit pop-up, or MMC service lead email Read More »

    • TSB #LI54.30-P-069821

      Date Announced:
      DEC 23, 2019
      NHTSA ID:
      #10170546

      Display on driver's side remains sporadically dark Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE

    • TSB #LI80.50-P-077350

      Date Announced:
      JAN 12, 2024
      NHTSA ID:
      #10249537

      Complaint Customer complains about anti-theft alarm system triggering without obvious cause when the vehicle is parked and/or when entering the vehicle. All MFA2 and 167 derivates with code 882 may be affected. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #LI82.85-P-076800

      Date Announced:
      OCT 10, 2023
      NHTSA ID:
      #10244837

      The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle. The fault code B129C00 is stored in the control unit log. Read More »

    • TSB #LI54.30-P-070030

      Date Announced:
      JUN 29, 2020
      NHTSA ID:
      #10177568

      After starting the engine, the instrument cluster display (A40/16) may show "4MATIC inoperative" erroneously.Notes: Vehicles not equipped with 4MATIC are predominantly affected. Read More »

    • TSB #LI00.20-P-070791

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176665

      Implausible "service due" instrument cluster message, head unit pop-up, or MMC message Read More »

    • TSB #LI54.30-P-069821

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176664

      Instrument cluster display (driver's side) intermittently remains dark Read More »

    • TSB #LI54.30-P-069821

      Date Announced:
      DEC 23, 2019
      NHTSA ID:
      #10170547

      Display on driver's side remains sporadically dark Read More »

    • TSB #LI54.21-P-070658

      Date Announced:
      DEC 17, 2019
      NHTSA ID:
      #10170539

      SRS Message Displayed in Instrument Cluster Read More »

    ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT

    • TSB #LI47.50-P-070263

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10177566

      Check engine light active and FC P146264 Temp. and pressure sensor B4/7 is stored in engine control unit and tank control unit. Software parameter in Fuel pump control unit. Update SW in FSCU control unit. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #OTA-24240201

      Date Announced:
      FEB 09, 2024
      NHTSA ID:
      #10251176

      Mercedes-Benz AG (??A???A???A?MBAG??A???A???A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY20-23 A-Class, C-Class, CLA, CLS, E-Class, GLA, GLB, GLC, GLE, GLS, AMG GT, S-Class (177, 205, 118, 257, 213, ... Read More »

    • TSB #NCU-HU SW Update

      Date Announced:
      AUG 28, 2023
      NHTSA ID:
      #10241527

      Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2018-2023 C-Class, EQE, EQE SUV, EQS, EQS SUV, GLC, GLE and S-Class (206, 295, 294, 297, 296, 254, 167 and 223 platform) ... Read More »

    • TSB #LI27.00-P-071367

      Date Announced:
      JUN 29, 2020
      NHTSA ID:
      #10177567

      When leaving gliding mode, the transmission can shift to neutral by itself. The complaint only occurs in drive program E. Check software release of transmission control unit and perform a software update. Read More »

    • TSB #LI54.30-P-070030

      Date Announced:
      JUN 29, 2020
      NHTSA ID:
      #10177568

      After starting the engine, the instrument cluster display (A40/16) may show "4MATIC inoperative" erroneously.Notes: Vehicles not equipped with 4MATIC are predominantly affected. Read More »

    • TSB #LI47.50-P-070263

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10177566

      Check engine light active and FC P146264 Temp. and pressure sensor B4/7 is stored in engine control unit and tank control unit. Software parameter in Fuel pump control unit. Update SW in FSCU control unit. Read More »

    • TSB #LI46.35-P-071285

      Date Announced:
      JUN 17, 2020
      NHTSA ID:
      #10177560

      Noticeable vibrations at steering wheel when parking or steering slowly while stationary. Possible controller oscillations in the electric power steering. Perform software update of the electric power steering. Read More »

    ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:FUEL CELL

    • TSB #LI72.20-P-075746

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10252777

      Tailgate opens unintentionally. Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Read More »

    LIGHTING (PWS)

    • TSB #LI82.10-P-064766

      Date Announced:
      JUN 30, 2020
      NHTSA ID:
      #10177571

      Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Read More »

    EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES

    • TSB #LI82.10-P-064766

      Date Announced:
      JUN 30, 2020
      NHTSA ID:
      #10177571

      Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Read More »

    VISIBILITY

    • TSB #LI72.00-P-076031

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233789

      Complaint Excessive resistance of door side windows when being raised/lowered, cracking and squeaking noises. Cause Sealing lip of inner sealing rail (see picture 1 and picture 2, pos. Read More »

    • TSB #LI83.30-P-070309

      Date Announced:
      DEC 30, 2020
      NHTSA ID:
      #10186147

      Air Conditioning System Occasionally Does Not Cool Correctly At Outside Temperatures Above 40?C Read More »

    VISIBILITY:SUN/MOON ROOF ASSEMBLY

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #LI83.30-P-070309

      Date Announced:
      DEC 30, 2020
      NHTSA ID:
      #10186147

      Air Conditioning System Occasionally Does Not Cool Correctly At Outside Temperatures Above 40?C Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS

    AIR BAGS

    • TSB #LI54.21-P-070658

      Date Announced:
      JUN 05, 2020
      NHTSA ID:
      #10177544

      A fixed SRS message is displayed in the instrument cluster. Cause is not safety-relevant and does not affect function of safety systems. Read More »

    STRUCTURE

    • TSB #LI72.20-P-075746

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10252777

      Tailgate opens unintentionally. Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Read More »

    • TSB #LI72.00-P-076031

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233789

      Complaint Excessive resistance of door side windows when being raised/lowered, cracking and squeaking noises. Cause Sealing lip of inner sealing rail (see picture 1 and picture 2, pos. Read More »

    • TSB #LI64.10-P-075514

      Date Announced:
      JAN 23, 2023
      NHTSA ID:
      #10231030

      Complaint Noise from area of rear shelf crossmember / rear seat locking mechanism Cause In individual cases, it may be that the welding spot for the "rear shelf crossmember/rear seat locking mechanism mount" at the left and right ... Read More »

    • TSB #NCU-2022070018

      Date Announced:
      SEP 30, 2022
      NHTSA ID:
      #10222486

      Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz, has determined that in certain MY 2020 A-Class and GLB-Class (177 and 247 platform) vehicles, the contact surface of the upper hinges to the B-pillar on the right and ... Read More »

    • TSB #LI72.12-P-074542

      Date Announced:
      MAR 10, 2022
      NHTSA ID:
      #10209881

      Complaint The seal on the B-pillar trim of the rear doors may be peeling on upper area Cause The part may exhibit this behavior under normal use. Remedy Replace B-pillar trim through optimized parts. Read More »

    STRUCTURE:BODY:DOOR

    STRUCTURE:BODY:TRUNK LID

    • TSB #LI72.20-P-075746

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10252777

      Tailgate opens unintentionally. Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Read More »

    STRUCTURE:BODY:HOOD

    • TSB #LI72.20-P-075746

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10252777

      Tailgate opens unintentionally. Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Read More »

    LATCHES/LOCKS/LINKAGES

    • TSB #LI72.20-P-075746

      Date Announced:
      JAN 05, 2023
      NHTSA ID:
      #10231032

      Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Read More »

    TIRES

    TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

    • TSB #LI4015P073336

      Date Announced:
      JUL 26, 2021
      NHTSA ID:
      #10205789

      Front right tire pressure sensor sporadically or permanently not detected. Read More »

    WHEELS

    • TSB #LI40.15-P-074659

      Date Announced:
      APR 01, 2022
      NHTSA ID:
      #10210926

      Complaint Fault message (yellow) in instrument cluster and TPM warning lamp. Individual or all tire pressure sensors are not recognized. Tire pressure monitoring system nonfunctional / temporarily unavailable. Read More »

    SEATS

    • TSB #LI91.18-P-077075

      Date Announced:
      DEC 04, 2023
      NHTSA ID:
      #10248162

      Crease formation on genuine leather seat covers in vehicles with low mileage ??A?A? Objects left on the seats for extended periods of time (pressure marks). ??A?A? Objects wedged between the seat backrest and seat cushion (e.g. Read More »

    • TSB #LI91.18-P-071629

      Date Announced:
      AUG 31, 2020
      NHTSA ID:
      #10181194

      BR167 / MFA2 Cracks In Artico Seat Cushion Cover On Front Seat Read More »

    SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

    • TSB #LI91.30-P-069668

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10177558

      The seat heating in the vehicle cannot be activated. When the seat heating button is pressed the 3 red LEDs light up briefly and then go off again after a brief period (approx. 3 seconds). Read More »

    BACK OVER PREVENTION

    INTERIOR LIGHTING

    COMMUNICATION

    • TSB #LI82.85-P-071637

      Date Announced:
      AUG 21, 2020
      NHTSA ID:
      #10179968

      Mercedes me connect services cannot be acti- vated or may not work through the mobile app Read More »

    • TSB #LI82.85-P-071453

      Date Announced:
      JUL 31, 2020
      NHTSA ID:
      #10179966

      Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional Read More »

    COMMUNICATION:MANUFACTURER TELEMATICS

    • TSB #LI82.85-P-075375

      Date Announced:
      JUN 09, 2023
      NHTSA ID:
      #10238424

      In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of A?C, or vice versa). Read More »

    EQUIPMENT

    • TSB #LI54.10-P-071832

      Date Announced:
      JUL 20, 2022
      NHTSA ID:
      #10217159

      Complaint - Vehicle cannot be unlocked/ vehicle does not start - Display message in instrument cluster "Battery - Start Engine - see Operator's Manual Cause Root cause is a bus keepawake in either the Headlight control unit or in one ... Read More »

    • TSB #LI46.15-P-070510

      Date Announced:
      JUL 11, 2022
      NHTSA ID:
      #10217158

      Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steering column. Read More »

    • TSB #LI82.85-P-075044

      Date Announced:
      JUL 08, 2022
      NHTSA ID:
      #10217163

      Complaint The Apple Carplay interface cannot be controlled via the center console touchpad or the right-hand steering wheel touchpad. Read More »

    • TSB #LI20.20-P-073274

      Date Announced:
      JUL 08, 2021
      NHTSA ID:
      #10199660

      Coolant warning in instrument cluster - Leak in coolant line Read More »

    • TSB #LI82.85-P-068846

      Date Announced:
      JUL 06, 2021
      NHTSA ID:
      #10199654

      "Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional" Read More »

    • TSB #LI54.70-P-068094

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10191289

      Message (yellow) in IC "Active Brake Assist currently restricted, see operator's manual, Remedy: Deactivate transport mode and drive vehicle for approx 6mi. Read More »

    • TSB #LI91.18-P-071629

      Date Announced:
      AUG 31, 2020
      NHTSA ID:
      #10181194

      BR167 / MFA2 Cracks In Artico Seat Cushion Cover On Front Seat Read More »

    • TSB #LI82.85-P-071394

      Date Announced:
      JUN 30, 2020
      NHTSA ID:
      #10177569

      In XENTRY diagnosis, the message "MBUX multimedia system control unit is defective (hard drive, internal fault)" appears while attempting to communicate with the MBUX multimedia system (A26/17). Internal hard drive defect. Read More »

    • TSB #LI82.10-P-064766

      Date Announced:
      JUN 30, 2020
      NHTSA ID:
      #10177571

      Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Read More »

    • TSB #LI54.65-P-071267

      Date Announced:
      JUN 11, 2020
      NHTSA ID:
      #10177551

      Fault code B223209 is logged as "stored" in the parking control unit. Read More »

    • TSB #LI82.85-P-069381

      Date Announced:
      JAN 21, 2020
      NHTSA ID:
      #10171647

      MBUX multimedia system: The central display turns dark, interference noise from speakers Read More »

    • TSB #LI82.85-P-064727

      Date Announced:
      JAN 13, 2020
      NHTSA ID:
      #10171635

      NTG5.5, NTG6: Vehicle positioning inaccurate / implausible, route guidance not possible Read More »

    • TSB #LI72.20-P-070556

      Date Announced:
      NOV 14, 2019
      NHTSA ID:
      #10169586

      EASY-Pack liftgate does not fully open Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #LI8285P073387Ver

      Date Announced:
      AUG 27, 2021
      NHTSA ID:
      #10205812

      The customer may note that the Dashcam feature is inoperable with one of the following complaints. Read More »

    • TSB #LI8270P073025

      Date Announced:
      AUG 09, 2021
      NHTSA ID:
      #10205804

      Insufficient charging or no wireless charging with iPhone 12. Read More »

    • TSB #LI8285P073387Ver

      Date Announced:
      AUG 09, 2021
      NHTSA ID:
      #10205811

      The customer may note that the Dashcam feature is inoperable with one of the following complaints. Read More »

    • TSB #LI8285P073387Ver

      Date Announced:
      AUG 03, 2021
      NHTSA ID:
      #10205810

      The customer may note that the Dashcam feature is inoperable with one of the following complaints. Read More »

    • TSB #LI8285P073387Ver

      Date Announced:
      AUG 02, 2021
      NHTSA ID:
      #10205809

      The customer may note that the Dashcam feature is inoperable with one of the following complaints: Read More »

    • TSB #LI82.85-P-071637

      Date Announced:
      AUG 21, 2020
      NHTSA ID:
      #10179968

      Mercedes me connect services cannot be acti- vated or may not work through the mobile app Read More »

    • TSB #LI82.70-P-071024

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10177565

      The mobile phone address book is not transferred completely to the multimedia system (COMAND or MBUX). In some cases, the call list shows just the telephone numbers but no names. Read More »

    • TSB #LI82.70-P-071372

      Date Announced:
      JUN 22, 2020
      NHTSA ID:
      #10177563

      During a phone call, the Bluetooth connection between the MBUX multimedia system (A26/17) and a paired mobile phone may be briefly lost. The mobile phone will then reconnect with no user input. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #LI82.60-P-077553

      Date Announced:
      FEB 23, 2024
      NHTSA ID:
      #10251356

      The radio station favorites list is no longer present after bus idle Saving process during download Perform software update in control unit HU6 in the head unit (A26/17) to version E871.1 (A 247 904 53 00). Read More »

    • TSB #LI82.85-P-068846

      Date Announced:
      JUL 06, 2021
      NHTSA ID:
      #10199654

      "Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional" Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB # LI82.85-P-06996

      Date Announced:
      DEC 02, 2021
      NHTSA ID:
      #10206067

      MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activated Read More »

    • TSB #LI8285P069961

      Date Announced:
      AUG 30, 2021
      NHTSA ID:
      #10205806

      Upon selecting navigation, the central display may show the following message: "Map data does not match with your system. Please insert a medium containing the corresponding map data". the navigation menu cannot be opened. Read More »

    • TSB #LI82.85-P-071453

      Date Announced:
      JUL 31, 2020
      NHTSA ID:
      #10179966

      Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional Read More »

    • TSB #LI82.85-P-071394

      Date Announced:
      JUN 30, 2020
      NHTSA ID:
      #10177569

      In XENTRY diagnosis, the message "MBUX multimedia system control unit is defective (hard drive, internal fault)" appears while attempting to communicate with the MBUX multimedia system (A26/17). Internal hard drive defect. Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

    • TSB #LI82.85-P-075375

      Date Announced:
      JUN 09, 2023
      NHTSA ID:
      #10238424

      In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of A?C, or vice versa). Read More »

    • TSB #LI82.70-P-071372

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10179961

      Mobile phone Apple iPhone 11/11Pro/11ProMax/SE 2020: The Bluetooth connection between the MBUX multimedia system and the mobile phone is briefly lost Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI

    • TSB #LI82.70-P-071372

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10179961

      Mobile phone Apple iPhone 11/11Pro/11ProMax/SE 2020: The Bluetooth connection between the MBUX multimedia system and the mobile phone is briefly lost Read More »

    EQUIPMENT:OTHER:LABELS

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #NCU-2021030010

      Date Announced:
      JUL 02, 2021
      NHTSA ID:
      #10199449

      Launch NCU - 2021030010 MY20-21 Various Add Supplementary Booklet to Printed Operators Manual Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #LI82.85-P-068846

      Date Announced:
      JUL 06, 2021
      NHTSA ID:
      #10199654

      "Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional" Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #LI83.30-P-070309

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10177557

      Air conditioning system may occasionally not cool at outside temperatures >40?C Read More »

    • TSB #LI83.30-P-070309

      Date Announced:
      DEC 10, 2019
      NHTSA ID:
      #10170530

      Air conditioning system occasionally does not cool correctly at outside temperatures >40 C (104 F) Read More »

    EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

    • TSB #LI82.85-P-071394

      Date Announced:
      FEB 24, 2021
      NHTSA ID:
      #10189407

      In XENTRY diagnosis, the message "MBUX multimedia system control unit is defective (hard drive, internal fault)" appears while attempting to communicate with the MBUX multimedia system (A26/17) Read More »

    UNKNOWN OR OTHER

    • TSB #LI82.85-P-075375

      Date Announced:
      JUN 09, 2023
      NHTSA ID:
      #10238424

      In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of A?C, or vice versa). Read More »