2018 Mercedes-Benz CLA250
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2018 CLA250 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-057961
Surface damage on steering wheel trim Read More »
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TSB #LI33.30-P-056665
Single, throttle lift-off, clunking noise from the side shaft when starting off (audible at the wheel). The clunk is heard once when changing from forward to reverse (and vice versa). Read More »
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TSB #LI46.10-P-056468
Vehicle wanders to the left or right. Read More »
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TSB #LI35.00-P-072963
Vibrations/ humming when moving off or maneuvering with the wheels turned 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 #LI49.10-P-060070
Engine starts - but stops again Read More »
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TSB #LI07.70-P-070763
Fault code P06DA00 is found current or stored in engine control unit. Check engine light may be activated. 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 #LI27.60-P-059304
Vehicle rocks or lurches once after sitting in park with engine running for roughly 10 minutes Read More »
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TSB #LI20.00-P-057734
Coolant warning message in the instrument cluster although the coolant level is OK Read More »
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TSB #LI07.70-P-058650
Engine diagnosis warning lamp active - check engine light (CEL) on. The fault code P052E71 is logged in the fault memory of the engine control unit. Read More »
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TSB #LI54.18-P-057927
Engine diagnosis warning lamp is active. One or more of the faults listed under 'Control unit / Fault code' relating to the throttle valve actuator (M16/6) and/or oxygen sensor (G3/1 and/or G3/2) are stored in the engine control unit. Read More »
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TSB #LI1830P0597123
Gasket may settle causing a slight oil leak. 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 #LI49.10-P-064655
Squeaking Noise from Exhaust Gas Flap Read More »
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TSB #LI35.00-P-072963
Vibrations/ humming when moving off or maneuvering with the wheels turned Read More »
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TSB #LI35.31-P-072105
Humming/ vibrations/ noises from the area of the rear axle while maneuvering or when moving off Read More »
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TSB #LI27 50-P-064440
7G-DCT: Scratching noise when changing gear from D to R when transmission cold. 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 #LI27.60-P-058317
Transmission intermittently fails to shift, vehicle jolts in higher gears. The dual clutch transmission (DKG) control unit contains the stored FC 92177 or 92100 - The shift valve of the internal shaft has a malfunction. 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 #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 #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 #LI00.20-P-070791
Implausible "service due" instrument cluster message, head unit pop-up, or Mmc message Read More »
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TSB #LI54.30-P-067588
Clock in the instrument cluster stops Read More »
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TSB #LI8285P069318v2
Audio 20: Apple CarPlay displays pixelated image Read More »
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TSB #LI54 10-P-066342
Vehicle does not start, battery discharged. Read More »
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TSB #LI54.18-P-059361
Diverse fault messages in instrument cluster. Distronic, ESP, tire pressure monitoring, engine indicator lamp Diverse CAN communication errors stored in quick test Possible malfunctions in Parktronic or Active Parking Assist. Read More »
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TSB #LI54.18-P-057974
ESP?, BAS, PRE-SAFE?, HOLD function, Hill-Start Assist and ESP? trailer stabilization are unavailable due to a malfunction. Also the adaptive brake lights, Adaptive Brake Assist and/or ATTENTION ASSIST may have failed or be deactivated. 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 #LI20.00-P-057734
Implausible coolant warning message in instrument cluster Read More »
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TSB #LI8285P055695
The COMAND unit does not start or the display remains dark. Read More »
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TSB #LI54 10-P-066342
Vehicle does not start, battery discharged. 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-071529
MBUX multimedia system: "Favorites" and "Recent destinations" not available Read More »
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TSB #2018010007
Update HERMES control unit software Read More »
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TSB #LI8270P056963
Software update of COMAND Online control unit. Read More »
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TSB #LI8270P055572
Mobile phone cotacts are not transferred completely. Read More »
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TSB #LI5465P056779
Parktronic inoperable. Read More »
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TSB #LI5465P056779
Parktronic inoperable. Read More »
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TSB #LI82 20-P-067107
LED light on thermal cup holder in rear passenger compartment of BR 222 flickers Read More »
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TSB #LI82.10-P-064766
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 »
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TSB #LI82.10-P-062049
Headlamps fogged Read More »
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TSB #LI82.10-P-063239
Headlamps fogged Read More »
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TSB #LI82.10-P-064766
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 »
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TSB #LI72 40-P-069934
Outside mirror folding out/in nonfunctional Read More »
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TSB #LI7721P057021
New roller blind with blind bearing does not fit in previous panoramic with old roof mechanisms or blind guide rails. 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 #LI82.20-P-070189
Retrofitted front door exit lamps with logo projection flicker Read More »
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TSB #P-SC-2020020001
Information Label on Tire Sealant Read More »
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TSB #NCU2021090006
Spare wheel. 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 #LI20.10-P-060902
Engine diagnosis warning lamp activated - Fault code P012800 Read More »
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TSB #LI54.70-P-058571
Blind Spot Assist may warn for no obvious reason (visual and then acoustic warning message). Read More »
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TSB #LI49.10-P-064655
Squeaking Noise from Exhaust Gas Flap Read More »
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TSB #LI82.20-P-070189
Retrofitted front door exit lamps with logo projection flicker Read More »
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TSB #LI82 20-P-067044
Partial operation of interior ambient lighting 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-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 #LI82.10-P-064766
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 »
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TSB #LI54-18-P-069309
Fault message "SRS - Service Required" displayed in instrument cluster and SRS lamp active Read More »
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TSB #LI8285P069318v2
Audio 20: Apple CarPlay displays pixelated image Read More »
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TSB #LI82 85-P-068378
Audio 20: Symbols in the status line in the central display can overlap Read More »
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TSB #LI82 20-P-067107
LED light on thermal cup holder in rear passenger compartment of BR 222 flickers Read More »
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TSB #LI68.20-P-058781
Creaking noises in area of center console Read More »
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TSB #LI68.20-P-058749
The center stowage compartment does on close or open smoothly. 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 #LI8285P069318v2
Audio 20: Apple CarPlay displays pixelated image Read More »
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TSB #LI82 85-P-068378
Audio 20: Symbols in the status line in the central display can overlap 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 #LI8285P0647651
Traffic information service and posibly the voice control, nonfunctional after navigation software update. Read More »
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TSB #P-SC-2020020001
Information Label on Tire Sealant 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 #LI82 20-P-067107
LED light on thermal cup holder in rear passenger compartment of BR 222 flickers Read More »
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TSB #NCU2021090006
Spare wheel. Read More »
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TSB #LI54.30-P-067588
Clock in the instrument cluster stops 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 »
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TSB #LI5465P056779
Parktronic inoperable. Read More »