2019 Mercedes-Benz CLS450
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2019 CLS450 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.
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TSB #LI46.10-P-077314
Noises in the steering column area when steering. Under analysis. Check which area of the steering column the noises occur in. Read More »
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TSB #LI46.10-P-077313
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 »
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TSB #LI46.15-P-071669
Complaint Loads induced at the steering wheel through pushing and pulling actions may cause creaking and cracking noises in the mechanical steering column. Read More »
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TSB #LI46.15-P-063353
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 »
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TSB #LI46.15-P-063353
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. 1. Read More »
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TSB #LI46.15-P-071669
Cracking/Creaking Noises Coming From The Area Of The Mechanical Steering Column Read More »
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TSB #LI46 35-P-070153
Assessment of actuating and operating noise from steering Read More »
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TSB #LI46.15-P-063353
Height adjustment of electric steering column adjustment sticks at top end stop Read More »
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TSB #LI46.10-P-057961
Surface damage on steering wheel trim Read More »
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TSB #LI33 30-P-056665
Throttle lift-off clunking noises at drive shafts of front axle Read More »
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TSB #LI32 25-P-069660
G Facelift 2018: Knocking noises from rear area on rough roads Read More »
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TSB #LI32 25-P-066246
Thumping noises from rear axle shock absorber Read More »
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TSB #NCU-2020060019
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz, has determined that the active engine mounts in certain C-Class (model series 205), E-Class (model series 213), GLC (model series 253), and AMG GT (model series 290) vehicles ... Read More »
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TSB #LI5418P067550
ESP, BAS, PRE-SAFE - Fault message in instrument cluster Read More »
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TSB #LI5418P067550v5
ESP, BAS, PRE-SAFE - Fault message in instrument cluster Read More »
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TSB #LI42.47-P-067502
If the customer brakes sharply from a speed of > 30mph, without ABS intervention, there is a single cracking noise from the area of the ESP hydraulic unit Read More »
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TSB #LI54 65-P-068316
Warnings without obvious cause from front parking sensors in vehicles with AMG Styling Package (SA code 772) Read More »
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TSB #LI5418P067550
ESP, BAS, PRE-SAFE - Fault message in instrument cluster Read More »
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TSB #LI05 20-P-067123
Oil in engine wiring harness Read More »
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TSB #NCU-2022100005
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that the affected vehicles may not meet current On Board Diagnostics (a??OBDa??) emissions specifications. Read More »
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TSB #LI18.00-P-073137
Complaint Sporadic warning message in instrument cluster "Engine oil pressure stop switch off vehicle" (or similar) is shown in red on vehicles with low mileage. Cause Directional control valve may stick. Read More »
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TSB #SC- 202110017
The exhaust gas cleaning information label does not correspond to currently valid specifications. It is therefore possible that the emission classification given on the information label may not correspond to the certified classification. Read More »
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TSB #LI09.00-P-074093
"MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 a?? Boost Pressure is Too High"" " Read More »
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TSB #LI1830P0597123
Gasket may settle causing a slight oil leak. Read More »
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TSB #NCU-2020080022
Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has determine that on certain MY 19 190, 205 and 213 (C-Class, E-Class and GT-Class) vehicles, the information label containing the exhaust gas cleaning information may ... Read More »
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TSB #Launch NCU 20200
Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year 2018-2019 C and E-Class vehicles (205/238 platforms), an incorrect activated carbon filter might have been installed. Read More »
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TSB #LI01.30-P-058630
Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2. Read More »
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TSB #SC-2021050013
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2019 AMG E-Class (213 platform), AMG E-Class Coupe/Convertible (238 platform), AMG CLS-Class (257 platform) ... Read More »
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TSB #LI18.40-P-070746
Message in the Instrument Cluster "Refill 1L Oil at the Next Fuel Stop" Read More »
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TSB #LI54.10-P-069698
Complaint This LI does Not apply to 223 or 206 which use a different generation of 48V systems. Please follow the relevant guided tests for the 223 and 206. For 223 with fault code B1FCB97 follow LI54.10-P-073164. Read More »
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TSB #LI2700P073532
If TRANSMISSION 725.1 9G TRONIC FACELIFT exhibits any "shift quality" concerns, vared diagnosis procedures are available to you for selected vehicle model series with STAR3 architecture, Read More »
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TSB #SC-2019100022
Update Powertrain Control Unit (PTCU) Software Read More »
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TSB #SC-2019010007
Update Transmission Control Unit Read More »
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TSB #LI54.15-P-057373
The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is displayed, but no gear is engaged. Read More »
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TSB #LI27.50-P-056467
Shift quality complaints and/or automatic transmission in limp-home mode in combination with one or more of the following fault codes: P060600, P072200, P072300, P072364, P072900, P073000, P073100, P073200, P073300, P073400, P073500, ... Read More »
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TSB #LI2700P0647671
Intial startup not possible after replacement of transmisson 725.0 or of electrohydraulic controller unit. Read More »
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TSB #SC-2019010007
Update Transmission Control Unit Read More »
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TSB #OTA - 20240402
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 »
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TSB #NCU-OTAcommNoMMC
Mercedes-Benz AG (??A?A?MBAG??A?A?), the manufacturer of Mercedes-Benz, has determined that in certain MY 2017-2021 C-Class, CLA, CLS, E-Class, GLC, GLE, GLS, AMG GT, S-Class, SL, and SLC (205, 117, 257, 213/238, 253, 166/292, ... Read More »
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TSB #OTA-Comm Mod SW
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 »
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TSB #OTA-Head Unit SW
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 »
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TSB #LI82.85-P-076800
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 »
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TSB #NCU-HU SW Update
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 »
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TSB #LI82.85-P-076799
The Mercedes me connect services cannot be activated. The remote status data does not update. Error in N112/9 - control unit for telematics services (HERMES). Read More »
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TSB #LI82.85-P-075375
In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of A?C, or vice versa). Read More »
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TSB #NCU-2022100005
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that the affected vehicles may not meet current On Board Diagnostics (a??OBDa??) emissions specifications. Read More »
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TSB #LI72.20-P-075746
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 »
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TSB #LI54.10-P-069698
Complaint This LI does Not apply to 223 or 206 which use a different generation of 48V systems. Please follow the relevant guided tests for the 223 and 206. For 223 with fault code B1FCB97 follow LI54.10-P-073164. Read More »
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TSB #LI82.60-P-075292
Complaint Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All Stations" or a different category. Read More »
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TSB #LI82.85-P-075044
Complaint The Apple Carplay interface cannot be controlled via the center console touchpad or the right-hand steering wheel touchpad. Read More »
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TSB #LI54.10-P-071499
Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data in the SAM module to access the health of the 12 volt ... Read More »
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TSB #LI82.85-P-069961
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 »
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TSB #LI68.05-P-060306
Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. Read More »
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TSB #LI68.05-P-060307
Complaint The range of the integrated garage door opener (GTO) is too short. Cause 1. Vehicles equipped with infrared windows and/or a heated windshield may suffer from complaints involving low transmission power. 2. Read More »
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TSB # LI82.85-P-06996
MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activated Read More »
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TSB #LI54.10-P-06968
"Functional impairment of 48 V on-board electrical system " Read More »
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TSB #LI8285P073418
On vehicles with code 077 HERMES dummy module the following functions are restricted, unavailable. Read More »
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TSB #LI82.85-P-071394
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 »
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TSB #LI54.10-P-069698
Complaint: Various causes are possible. The faults listed in the various causes do not all have to be present at all times. Some of these complaints may overlap. Read More »
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TSB #LI82.85-P-069381
The following complaints may be noted by the customer: - The MBUX multimedia system (A26/17) starts route guidance without user input and does not provide any audio notification. Read More »
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TSB #NCU-2020110017
Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2019-2020 CLS-Class, E-Class, and GLE-Class (167, 213, 238, and 257 Platform) vehicles, the software for the on-board ... Read More »
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TSB #LI54.10-P-069698
Functional impairment of 48 V on-board electrical system Read More »
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TSB #LI54 30-P-069742
Head-up display (HUD) code 463 ? lines on the display, display flickers Read More »
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TSB #LI54-30-P-068844
Model series 257: In the Edition 1, the Welcome graphic is not displayed in the instrument cluster with the specific Edition animation. Read More »
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TSB #LI54 65-P-068316
Warnings without obvious cause from front parking sensors in vehicles with AMG Styling Package (SA code 772) Read More »
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TSB #LI01.30-P-058630
Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2. Read More »
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TSB #LI54.15-P-057373
The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is displayed, but no gear is engaged. Read More »
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TSB #LI49.20-P-056353
Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit. Read More »
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TSB #LI49.20-P-056353
Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit. Read More »
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TSB #LI82.95-P-056655
Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement. Read More »
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TSB #LI82.85-P-055695
The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after interrupting the power supply (circuit 30). Read More »
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TSB #LI54.10-P-071499
Xentry Battery Tester results disagree with workshop assessment Read More »
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TSB #LI82.85-P-076800
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 »
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TSB #LI54-18-P-067550
ESP, BAS, PRE-SAFE - Fault message in instrument cluster Read More »
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TSB #NCU-HU SW Update
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 »
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TSB #LI46.15-P-063353
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. 1. Read More »
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TSB #NCU-2020060019
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz, has determined that the active engine mounts in certain C-Class (model series 205), E-Class (model series 213), GLC (model series 253), and AMG GT (model series 290) vehicles ... Read More »
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TSB #LI54.10-P-071499
Xentry Battery Tester results disagree with workshop assessment Read More »
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TSB #LI72.20-P-075746
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 »
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TSB #LI82.10-P-063239
Headlamps fogged Read More »
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TSB #LI83.30-P-071494
Air Conditioning Intermittently Does Not Cool Read More »
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TSB #LI72 40-P-069934
Outside mirror folding out/in nonfunctional Read More »
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TSB #LI72 40-P-069669
Window lifter inoperative Read More »
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TSB #LI83.30-P-071494
Air Conditioning Intermittently Does Not Cool Read More »
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TSB #LI91 45-P-066075
Seat belt extender toothed rack sluggish or makes noises Read More »
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TSB #LI72.20-P-075746
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 »
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TSB #LI32-25-P-066246
Thumping noises from rear axle damper Read More »
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TSB #LI72.20-P-075746
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 »
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TSB #LI80.40-P-075378
Complaint The trunk lid is not latching into the closed position with the help of the trunk lid power closing function after the electric closing process. Read More »
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TSB #LI80.61-P-068096
Trunk lid cannot be closed Read More »
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TSB #LI72.20-P-075746
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 »
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TSB #LI80.40-P-075378
Complaint The trunk lid is not latching into the closed position with the help of the trunk lid power closing function after the electric closing process. Read More »
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TSB #LI72.20-P-075746
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 »
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TSB #P-SC-2020020001
Information Label on Tire Sealant Read More »
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TSB #LI91.18-P-077075
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 »
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TSB #LI91.10-P-059386
Dynamic seat control is not functioning correctly and/or air cushions do not inflate fully. Read More »
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TSB #LI42.47-P-067502
If the customer brakes sharply from a speed of > 30mph, without ABS intervention, there is a single cracking noise from the area of the ESP hydraulic unit Read More »
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TSB #LI54 65-P-068316
Warnings without obvious cause from front parking sensors in vehicles with AMG Styling Package (SA code 772) Read More »
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TSB #P-SC-2021020003
Update IDC Control Unit Software Read More »
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TSB #LI82.20-P-073063
Complaint The touchpad dimming function does not work and the search lighting is either at maximum brightness or fully off (dependent upon dimming signal). Read More »
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TSB #LI8220P073063
Touch pad: Search lighting does not dim or does not turn on. Read More »
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TSB #LI82.85-P-069381
The following complaints may be noted by the customer: - The MBUX multimedia system (A26/17) starts route guidance without user input and does not provide any audio notification. Read More »
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TSB #LI82.85-P-071453
Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional Read More »
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TSB #LI82.85-P-075375
In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of A?C, or vice versa). Read More »
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TSB #LI82.85-P-076799
The Mercedes me connect services cannot be activated. The remote status data does not update. Error in N112/9 - control unit for telematics services (HERMES). Read More »
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TSB #LI46.15-P-063353
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. 1. Read More »
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TSB #LI82.85-P-075044
Complaint The Apple Carplay interface cannot be controlled via the center console touchpad or the right-hand steering wheel touchpad. Read More »
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TSB #LI18.00-P-073137
Complaint Sporadic warning message in instrument cluster "Engine oil pressure stop switch off vehicle" (or similar) is shown in red on vehicles with low mileage. Cause Directional control valve may stick. Read More »
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TSB #SC-2021050013
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2019 AMG E-Class (213 platform), AMG E-Class Coupe/Convertible (238 platform), AMG CLS-Class (257 platform) ... Read More »
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TSB #LI82.85-P-068846
"Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional" Read More »
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TSB #LI82.85-P-069381
The following complaints may be noted by the customer: - The MBUX multimedia system (A26/17) starts route guidance without user input and does not provide any audio notification. Read More »
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TSB #NCU-2020080022
Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has determine that on certain MY 19 190, 205 and 213 (C-Class, E-Class and GT-Class) vehicles, the information label containing the exhaust gas cleaning information may ... Read More »
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TSB #LI82.85-P-064727
NTG5.5, NTG6: Vehicle positioning inaccurate / implausible, route guidance not possible Read More »
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TSB #LI72 40-P-069669
Window lifter inoperative Read More »
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TSB #LI82 70-P-067429
Inductive charging: iPhone is not reliably charged Read More »
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TSB #LI82.85-P-058582
Apple products (iPhone or iPod) are not charged via the serial USB interface of the COMAND Online control unit (A40/3) in the stowage compartment of the center console. Read More »
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TSB #GI88.40-P-057430
Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual" Read More »
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TSB #LI68.10-P-056727
Glove box squeaks/rattles at top left mounting. Read More »
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TSB #LI8270P071024
The mobile phone address book may not be transferred completely to the multimedia system COMAND, Audio 20, or MBUX. Read More »
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TSB #LI8285P073387Ver
The customer may note that the Dashcam feature is inoperable with one of the following complaints. Read More »
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TSB #LI8200P073331
Intermittently after bus sleep the lower control panel LCP and upper control panel UCP may be panel UCP may be inoperable. Read More »
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TSB #LI8285P073387Ver
The customer may note that the Dashcam feature is inoperable with one of the following complaints. Read More »
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TSB #LI8285P073387Ver
The customer may note that the Dashcam feature is inoperable with one of the following complaints. Read More »
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TSB #LI8285P073387Ver
The customer may note that the Dashcam feature is inoperable with one of the following complaints: Read More »
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TSB #LI54-18-P-064682
Firewall grommet on major assembly partition wall leaky Read More »
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TSB #LI82 70-P-067429
Inductive charging: iPhone is not reliably charged Read More »
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TSB #LI82.85-P-068846
"Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional" Read More »
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TSB # LI82.85-P-06996
MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activated Read More »
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TSB #LI82.85-P-071453
Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional Read More »
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TSB #LI82.85-P-075375
In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of A?C, or vice versa). Read More »
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TSB #SC-2021050013
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2019 AMG E-Class (213 platform), AMG E-Class Coupe/Convertible (238 platform), AMG CLS-Class (257 platform) ... Read More »
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TSB #P-SC-2020020001
Information Label on Tire Sealant Read More »
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TSB #LI82.85-P-068846
"Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional" Read More »
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TSB #NCU-2020080022
Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has determine that on certain MY 19 190, 205 and 213 (C-Class, E-Class and GT-Class) vehicles, the information label containing the exhaust gas cleaning information may ... Read More »
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TSB #LI33 30-P-056665
Throttle lift-off clunking noises at drive shafts of front axle Read More »
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TSB #LI83.30-P-071494
Air Conditioning Intermittently Does Not Cool Read More »
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TSB #LI82.85-P-071394
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 »
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TSB #LI82.85-P-075375
In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of A?C, or vice versa). Read More »
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TSB #LI2700P0647671
Intial startup not possible after replacement of transmisson 725.0 or of electrohydraulic controller unit. Read More »
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TSB #LI1830P0597123
Gasket may settle causing a slight oil leak. Read More »