Mercedes-Benz CLA-Class Service Bulletins (2019)
158 manufacturer communications on file.
- June 9, 2023•Document ID: 10238424Service Bulletin/Repair InstructionsCOMMUNICATION:MANUFACTURER TELEMATICS; UNKNOWN OR OTHER; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE
- Mfr Comm. #:
- LI82.85-P-075375
- Date Added:
- July 3, 2023
- Manufacturer:
- MERCEDES-BENZ
SummaryIn the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of °C, or vice versa). Temperature setting in Mmc mobile application settings incorrect Remedy Adjust the setting in the Mercedes me connect app via mobile phone (settings -> units)
Associated Products (49)2023 Mercedes-Benz AMG GT2023 Mercedes-Benz CLA-Class2023 Mercedes-Benz CLS-Class2023 Mercedes-Benz E-Class2023 Mercedes-Benz GLA-Class2023 Mercedes-Benz GLB-Class2023 Mercedes-Benz GLE-Class2023 Mercedes-Benz GLS-Class2022 Mercedes-Benz A-Class2022 Mercedes-Benz AMG GT2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz CLS-Class2022 Mercedes-Benz E-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2022 Mercedes-Benz GLC-Class2022 Mercedes-Benz GLE-Class2022 Mercedes-Benz GLS-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz AMG GT+ 29 moreAssociated Documents - April 4, 2023•Document ID: 10235667Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- LI82.20-P-074734
- Date Added:
- May 4, 2023
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint 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. Cause Software in coupling elements (EKE) faulty. The coupling element software cannot be updated in After-Sales. Remedy In a complaint case, replace the respective wiring harness (coupling elements are installed on the wiring harness) for ambient lighting.
Associated Products (22)2023 Mercedes-Benz CLA-Class2023 Mercedes-Benz GLA-Class2023 Mercedes-Benz GLB-Class2023 Mercedes-Benz GLE-Class2022 Mercedes-Benz A-Class2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2022 Mercedes-Benz GLE-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz GLA-Class2021 Mercedes-Benz GLB-Class2021 Mercedes-Benz GLE-Class2020 Mercedes-Benz A-Class2020 Mercedes-Benz CLA-Class2020 Mercedes-Benz GLA-Class2020 Mercedes-Benz GLB-Class2020 Mercedes-Benz GLE-Class2019 Mercedes-Benz A-Class+ 2 moreAssociated Documents - January 5, 2023•Document ID: 10231032Service Bulletin/Repair InstructionsLATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM
- Mfr Comm. #:
- LI72.20-P-075746
- Date Added:
- February 3, 2023
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint 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. Remedy As of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a result of a long press on the button, but by double-clicking on the button instead.
Associated Products (64)2023 Mercedes-Benz AMG GT2023 Mercedes-Benz CLS-Class2023 Mercedes-Benz E-Class2023 Mercedes-Benz GLE-Class2022 Mercedes-Benz A-Class2022 Mercedes-Benz AMG GT2022 Mercedes-Benz C-Class2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz CLS-Class2022 Mercedes-Benz E-Class2022 Mercedes-Benz EQB-Class2022 Mercedes-Benz G-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2022 Mercedes-Benz GLC-Class2022 Mercedes-Benz GLE-Class2022 Mercedes-Benz GLS-Class2022 Mercedes-Benz S-Class2022 Mercedes-Benz SL-Class2021 Mercedes-Benz A-Class+ 44 moreAssociated Documents - November 1, 2022•Document ID: 10227143Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- LI46.35-P-074816
- Date Added:
- December 5, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint Squeaking noise from area of input shaft of electric steering Cause Inadequate lubrication. Remedy Grease/lubricate sealing area of input shaft. ⢠The steering components can be greased/lubricated while they are still installed
Associated Products (14)2022 Mercedes-Benz A-Class2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz GLA-Class2021 Mercedes-Benz GLB-Class2020 Mercedes-Benz A-Class2020 Mercedes-Benz CLA-Class2020 Mercedes-Benz GLA-Class2020 Mercedes-Benz GLB-Class2019 Mercedes-Benz A-Class2019 Mercedes-Benz CLA-ClassAssociated Documents - October 28, 2022•Document ID: 10225805Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- NCU-2022100008
- Date Added:
- November 4, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryMercedes-Benz AG (âMBAGâ), 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 current series configuration. The possibility exists that the vehicle does not start and the fault message âvehicle at risk of rolling and transmission not in P positionâ is incorrectly shown. Upon cycling the ignition the vehicleâs function could be restored. What Weâre Doing MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the transmission control unit software
Associated Products (4)Associated Documents - October 17, 2022•Document ID: 10225806Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- LI01.30-P-075439
- Date Added:
- November 4, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint Customer may complain of a CEL on in the instrument cluster, rough running, trouble starting, issues with ECO stop/ start or a combination thereof. Cause One or more broken valve springs in the cylinder head. Remedy Work through the guided tests for any relevant fault codes. For misfire related fault codes this will include: ⢠Inspecting the injector performance data for abnormalities ⢠Using a smoke machine to inspect for air leaks ⢠Performing a compression and leakage test Depending on the severity of the failure, a broken valve springs may be able to be found in a compression/leakage test. If not it may also show up on a PICO running compression test. To verify the best method is to remove the cylinder head cover and inspect the valve springs directly If a broken valve spring is found: ⢠Inspect the valve, rocker, retainer, and keepers on that assembly for damage. ⢠Inspect the camshaft and camshaft lobe that operates that valve ⢠Inspect the piston face via borescope for piston/valve contact Also perform a leak test once the valve is able to be fully seated to ensure no damage to the valve or seat has occurred. If no damage to the piston or valve seat has occurred, replaced the damaged components and release the vehicle. If valve seat or piston damage has occurred please open a PTSS case, upload the results of all tests, and outline what work has been conducted thus far.
Associated Products (7)Associated Documents - October 1, 2022•Document ID: 10225807Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- LI05.10-P-075373
- Date Added:
- November 4, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint 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.mp4 Noise example Cause Harmonics from timing chain drive. Remedy Replace timing chain tensioner with part A2600502000. Note: This noise will not cause damage to the engine or other symptoms. The chain tensioner should only be replaced in the event of a customer complaint.
Associated Products (12)2022 Mercedes-Benz A-Class2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz GLA-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz GLA-Class2020 Mercedes-Benz A-Class2020 Mercedes-Benz CLA-Class2020 Mercedes-Benz GLA-Class2019 Mercedes-Benz A-Class2019 Mercedes-Benz CLA-Class2017 Mercedes-Benz GLA-ClassAssociated Documents - September 8, 2022•Document ID: 10222481Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- LI82.60-P-075292
- Date Added:
- October 5, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All Stations" or a different category. Sometimes, the "My Favorites" category will be unavailable for the entire drive cycle. Cause Current MBUX Multimedia System (A26/17) software release Remedy Software update of MBUX Multimedia System (A26/17) to E905.4 (in development). This document will be updated once the software is released.
Associated Products (47)2023 Mercedes-Benz AMG GT2023 Mercedes-Benz CLS-Class2023 Mercedes-Benz E-Class2022 Mercedes-Benz A-Class2022 Mercedes-Benz AMG GT2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz CLS-Class2022 Mercedes-Benz E-Class2022 Mercedes-Benz EQB-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2022 Mercedes-Benz GLC-Class2022 Mercedes-Benz GLE-Class2022 Mercedes-Benz GLS-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz AMG GT2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz CLS-Class2021 Mercedes-Benz E-Class2021 Mercedes-Benz GLA-Class+ 27 moreAssociated Documents - September 2, 2022•Document ID: 10222464Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- LI46.35-P-075129
- Date Added:
- October 5, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint Vibrations in steering at speeds lower than 30 mph. Possible when turning and also partly noticeable after changing to winter or all-season tires. Cause Controller stability of steering software, caused by reduced friction in steering (tolerance for production + running-in characteristics). Remedy Software update available in 1st quarter of 2023 (adaptation of stability limits)
Associated Products (11)2022 Mercedes-Benz A-Class2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz GLB-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz GLB-Class2020 Mercedes-Benz A-Class2020 Mercedes-Benz CLA-Class2020 Mercedes-Benz GLB-Class2019 Mercedes-Benz A-Class2019 Mercedes-Benz CLA-ClassAssociated Documents - August 2, 2022•Document ID: 10219265Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- LI46.35-P-075129
- Date Added:
- September 7, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint Vibrations in steering at speeds lower than 30 mph. Possible when turning and also partly noticeable after changing to winter or all-season tires. Cause Controller stability of steering software, caused by reduced friction in steering (tolerance for production + running-in characteristics). Remedy Software update available in 1st quarter of 2023 (adaptation of stability limits)
Associated Products (16)2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz GLA-Class2021 Mercedes-Benz GLB-Class2020 Mercedes-Benz CLA-Class2020 Mercedes-Benz GLA-Class2020 Mercedes-Benz GLB-Class2019 Mercedes-Benz CLA-Class2019 Mercedes-Benz GLA-Class2018 Mercedes-Benz GLA-Class2017 Mercedes-Benz GLA-Class2016 Mercedes-Benz GLA-Class2015 Mercedes-Benz GLA-Class2014 Mercedes-Benz GLA-ClassAssociated Documents - July 20, 2022•Document ID: 10217159Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM
- Mfr Comm. #:
- LI54.10-P-071832
- Date Added:
- August 4, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint - 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 of the following: ALC, IC, SAM, PTCU, ESP. Additionally, the quick test will show U116000 "A bus keepawake control unit has been detected" in the electronic ignition switch (EZS) control unit for this root cause. Remedy Eliminate bus keep awake issue flash new software where available:
Associated Products (14)2022 Mercedes-Benz A-Class2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz GLA-Class2021 Mercedes-Benz GLB-Class2020 Mercedes-Benz A-Class2020 Mercedes-Benz CLA-Class2020 Mercedes-Benz GLA-Class2020 Mercedes-Benz GLB-Class2019 Mercedes-Benz A-Class2019 Mercedes-Benz CLA-ClassAssociated Documents - July 11, 2022•Document ID: 10217158Service Bulletin/Repair InstructionsEQUIPMENT; STEERING
- Mfr Comm. #:
- LI46.15-P-070510
- Date Added:
- August 4, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint 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. Remedy Check surrounding area of the steering column for possible noises. - Instrument panel support - Steering column switch module If the cause of the noise can be narrowed down to the steering column, create a PTSS case
Associated Products (18)2022 Mercedes-Benz A-Class2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2022 Mercedes-Benz GLE-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz GLA-Class2021 Mercedes-Benz GLB-Class2021 Mercedes-Benz GLE-Class2020 Mercedes-Benz A-Class2020 Mercedes-Benz CLA-Class2020 Mercedes-Benz GLA-Class2020 Mercedes-Benz GLB-Class2020 Mercedes-Benz GLE-Class2019 Mercedes-Benz A-Class2019 Mercedes-Benz CLA-Class2019 Mercedes-Benz GLE-ClassAssociated Documents - July 8, 2022•Document ID: 10217163Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EQUIPMENT
- Mfr Comm. #:
- LI82.85-P-075044
- Date Added:
- August 4, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint The Apple Carplay interface cannot be controlled via the center console touchpad or the right-hand steering wheel touchpad. Cause A setting on the iPhone may prevent control via the touchpad Remedy To remedy on the affected iPhone, navigate to "Settings" -> "Accessibility" -> "Touch" and turn the "BackTap" option OFF.
Associated Products (36)2023 Mercedes-Benz AMG GT2023 Mercedes-Benz CLS-Class2023 Mercedes-Benz E-Class2022 Mercedes-Benz A-Class2022 Mercedes-Benz AMG GT2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz CLS-Class2022 Mercedes-Benz E-Class2022 Mercedes-Benz EQB-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2022 Mercedes-Benz GLE-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz AMG GT2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz CLS-Class2021 Mercedes-Benz E-Class2021 Mercedes-Benz GLA-Class2021 Mercedes-Benz GLB-Class2021 Mercedes-Benz GLE-Class+ 16 moreAssociated Documents - June 3, 2022•Document ID: 10215220Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- NCU-2022050022
- Date Added:
- July 5, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryMercedes-Benz AG (âMBAGâ), 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 correspond to current product specifications. It is possible that the vehicle may switch to coasting mode during deceleration or rolling when engaged in drive mode âEâ. In drive mode âEâ, coasting operation is displayed in the instrument cluster as âDâ and may be green instead of white. When exiting coasting mode, the âNâ drive mode instead of âDâ may be activated. The current drive mode will be displayed in the instrument cluster. What Weâre Doing MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the transmission control unit software.
Associated Products (5)Associated Documents - April 14, 2022•Document ID: 10210929Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- LI82.60-P-072403
- Date Added:
- May 4, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint Volume and bass level too low Cause Current sound amp (N40/3) software release. Important: ⢠On vehicles with standard sound, the rear subwoofer (H21/35) emits the engine sound only (if equipped with M139 engine) ⢠On vehicles with code 853 (Advanced Sound) or 810 (Premium Sound), the rear subwoofer (H21/35) emits not only the engine sound, but also entertainment sound Remedy Perform a software update of the sound amp (N40/3) to the latest available version. Note: Do not replace any parts as this will not remedy the complaint.
Associated Products (14)2022 Mercedes-Benz A-Class2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz GLA-Class2021 Mercedes-Benz GLB-Class2020 Mercedes-Benz A-Class2020 Mercedes-Benz CLA-Class2020 Mercedes-Benz GLA-Class2020 Mercedes-Benz GLB-Class2019 Mercedes-Benz A-Class2019 Mercedes-Benz CLA-ClassAssociated Documents - March 3, 2022•Document ID: 10209880Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- LI72.00-P-074481
- Date Added:
- April 5, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryComplaint Staining at top and bottom of trim bars of doors. See example pictures 1, 2. Cause Discoloration of the protective coating of beltline door trim bars and upper door trim bars due to strong alkaline detergent in car washes. Remedy 1. Polish the trim bars with polish A 000 986 43 74. 2. If the complaint cannot be rectified by polishing, replace the door beltline trim bars, door upper trim bars and rear side window with trim element with the optimized parts listed in this document.
Associated Products (4)Associated Documents - December 8, 2021•Document ID: 10206077Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- LI09.00-P-074093
- Date Added:
- January 6, 2022
- Manufacturer:
- MERCEDES-BENZ
Summary"MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 â Boost Pressure is Too High"" "
Associated Products (119)2022 Mercedes-Benz A-Class2022 Mercedes-Benz AMG GT2022 Mercedes-Benz C-Class2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz CLS-Class2022 Mercedes-Benz E-Class2022 Mercedes-Benz G-Class2022 Mercedes-Benz GLA-Class2022 Mercedes-Benz GLB-Class2022 Mercedes-Benz GLC-Class2022 Mercedes-Benz GLE-Class2022 Mercedes-Benz GLS-Class2022 Mercedes-Benz S-Class2022 Mercedes-Benz SL-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz AMG GT2021 Mercedes-Benz C-Class2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz CLS-Class2021 Mercedes-Benz E-Class+ 99 moreAssociated Documents - September 24, 2021•Document ID: 10205841Service Bulletin/Repair InstructionsUNKNOWN OR OTHER; WHEELS:SPACE SAVER WHEEL
- Mfr Comm. #:
- NCU2021090006
- Date Added:
- January 3, 2022
- Manufacturer:
- MERCEDES-BENZ
SummarySpare wheel.
Associated Products (11)2022 Mercedes-Benz CLA-Class2021 Mercedes-Benz CLA-Class2020 Mercedes-Benz CLA-Class2019 Mercedes-Benz CLA-Class2018 Mercedes-Benz CLA-Class2017 Mercedes-Benz CLA-Class2016 Mercedes-Benz CLA-Class2015 Mercedes-Benz CLA-Class2014 Mercedes-Benz CLA-Class2013 Mercedes-Benz CLA-Class2012 Mercedes-Benz CLA-ClassAssociated Documents - August 30, 2021•Document ID: 10205806Service Bulletin/Repair InstructionsEQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
- Mfr Comm. #:
- LI8285P069961
- Date Added:
- January 3, 2022
- Manufacturer:
- MERCEDES-BENZ
SummaryUpon 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.
Associated Products (32)2022 Mercedes-Benz A-Class2022 Mercedes-Benz AMG GT2022 Mercedes-Benz CLA-Class2022 Mercedes-Benz E-Class2022 Mercedes-Benz GLB-Class2022 Mercedes-Benz GLC-Class2022 Mercedes-Benz GLE-Class2021 Mercedes-Benz A-Class2021 Mercedes-Benz AMG GT2021 Mercedes-Benz CLA-Class2021 Mercedes-Benz E-Class2021 Mercedes-Benz GLB-Class2021 Mercedes-Benz GLC-Class2021 Mercedes-Benz GLE-Class2020 Mercedes-Benz A-Class2020 Mercedes-Benz AMG GT2020 Mercedes-Benz CLA-Class2020 Mercedes-Benz E-Class2020 Mercedes-Benz GLB-Class2020 Mercedes-Benz GLC-Class+ 12 moreAssociated Documents - July 14, 2021•Document ID: 10199675Service Bulletin/Repair InstructionsPOWER TRAIN; SUSPENSION
- Mfr Comm. #:
- LI35.00-P-072963
- Date Added:
- August 4, 2021
- Manufacturer:
- MERCEDES-BENZ
SummaryVibrations/ humming when moving off or maneuvering with the wheels turned
Associated Products (6)Associated Documents