2020 Mercedes-Benz AMG GLC43 Technical Service Bulletins

194 technical service bulletins (TSBs) are on record for the 2020 Mercedes-Benz AMG GLC43. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10219254Aug 26, 2022Electrical system. Complaint In an initial quick test, DTC B238A00 "Fan 2 of the control unit has malfunctioned" may be active and/or stored in the MBUX Multimedia System (A26/17) Cause Current MBUX Multimedia System (A26/17) software release Remedy If there is no customer complaint present, the DTC can be ignored. A future MBUX Multimedia System (A26/17) software release (E905.3) will prevent the DTC from occurring. This…
• 10217157Jul 14, 2022Electrical system, Equipment, Steering. 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. Steering column height adjustment transmission 2. Seat control unit software Remedy There are 2 repair procedures to follow depending on vehicle (differentiated according to model and vehicle…
• 10217154Jul 11, 2022Equipment, Suspension. Complaint Thumping noise on rear axle shock absorber on rough road. Cause Until now the rear axle shock absorber support bushing was only available together with the rear axle shock absorber as a replacement part. In future, the rear axle shock absorber support bushing will be available individually as a replacement part to avoid any unnecessary shock absorber noise.
• 10215016Jun 30, 2022Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2020-2022 A-Class, C-Class, CLAClass, GLA-Class, GLB-Class, GLC-Class, GLE-Class, and GLS-Class (118, 167, 177, 205, 247, and 253 platform) vehicles, the mobile phone cradle control unit software does not correspond to the current series production specifications. It is therefore possible…
• 10214958Jun 13, 2022Steering. Complaint 1. Vibrations noticeable at steering wheel when front axle is excited when driving at a speed between 65 km/h and 130 km/h over an obstacle. • Driving over deeply recessed manhole covers • Driving over cross joints • Driving over extreme surface undulations 2. Permanent or long-lasting vibrations at specific speed or engine speed noticeable on steering wheel. • Roadway surface excitations when…
• 10213048Apr 29, 2022Steering. Complaint 1. Vibrations noticeable in steering wheel when front axle is excited while driving at a speed above 40 mph over an obstacle. • Driving over deeply recessed manhole covers • Driving over cross joints • Driving over extreme surface undulations 2. Permanent or long-lasting vibrations at specific speed or engine speed noticeable on steering wheel. • Roadway surface excitations when DTR+Q is switched…
• 10210926Apr 1, 2022Electrical system, Wheels. 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. Cause Tires with excessively-large radio signal attenuation interfere with transmission of the tire pressure sensors. Remedy Check if one of the following tires is installed: If one of the tires listed above…
• 10209877Mar 31, 2022Electrical system. 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 battery. The XENTRY battery test may not take into account a single discharge event because the SAM cannot record the data if the battery is discharged. Note: A discharged battery does…
• 10207198Jan 27, 2022Electrical system. Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. The integrated garage door opener (GDO) is not compatible with the opening system installed in the garage. 2. The garage door drive uses a rolling code system. In contrast to the fixed code system, the LED in the mirror in this case flashes green after programming. 3.
• 10207199Jan 9, 2022Electrical system. 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. When comparing the range between the integrated GTO and the garage door hand transmitter, the garage door hand transmitter is tested outside the vehicle. 3. The garage door hand transmitter is being…
• 10206077Dec 8, 2021Engine cooling. "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
• 10206067Dec 2, 2021Equipment, Electrical system. MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activated
• 10205837Sep 30, 2021Electrical system, Back-over prevention (rear camera). Model series 190.4 Anti-theft alarm activates without obvious cause.
• 10205806Aug 30, 2021Equipment. 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.
• 10205803Aug 27, 2021Equipment. The mobile phone address book may not be transferred completely to the multimedia system COMAND, Audio 20, or MBUX. The contact list may not be fully populated and in some instances, the call list will display telephone numbers but no names.
• 10205813Aug 24, 2021Electrical system. On vehicles with code 077 HERMES dummy module the following functions are restricted, unavailable.
• 10205814Aug 11, 2021Fuel system. Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
• 10205811Aug 9, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints.
• 10205810Aug 3, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints.
• 10205809Aug 2, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints:
• 10199660Jul 8, 2021Engine cooling, Visibility (wipers, defrost, mirrors), Equipment. Coolant warning in instrument cluster - Leak in coolant line
• 10199654Jul 6, 2021Equipment. "Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional"
• 10202527Jun 7, 2021Equipment, Transmission and drivetrain. Transmission diagnosis using th eIntelligent Predictive Repair (IPR) tool.
• 10202522Jun 4, 2021Electrical system, Engine. Vehicle does not start after charging process
• 10202514May 30, 2021Engine cooling, Fuel system. M17x.xxx Check Engine Light on with Misfire DTC's
• 10194141Mar 31, 2021Equipment. New map data cannot be downloaded by the customer from the Mercedes me PortalNew map data cannot be downloaded by the customer from the Mercedes me Portal
• 10191277Mar 10, 2021Electrical system. In the quick test, faults P0A1402 and/or P0AB602 are stored in the Drive Unit, electrical fault or open circuit (signal error) in actuation system. Remedy: Replace both acceleration sensors for the engine mounts
• 10189402Feb 18, 2021Steering, Electrical system, Back-over prevention (rear camera). Complaint: Height adjustment of electric steering column adjustment jams in upper / lower adjustment position or it generates a cracking noise when exiting the upper /lower adjustment position (e.g. for Easy Entry function). Cause: Height adjustment runs into upper / lower limit stop and jams there or generates a breakaway cracking noise when exiting the jammed limit stop. Remedy: 1. Move fore/aft adjustment to the…
• 10183244Oct 12, 2020Equipment, Body and structure. Vehicle interior whistling noises (also stationary)/high cabin interior pressure
• 10181200Sep 25, 2020Transmission and drivetrain. Replace automatic transmission
• 10181128Sep 16, 2020Steering. Cracking/Creaking Noises Coming From The Area Of The Mechanical Steering Column
• 10179974Aug 21, 2020Wheels, Transmission and drivetrain. Check seal bellows at wheel carrier supporting joint of left and right rear axle, replace if necessary
• 10179973Aug 14, 2020Electrical system, Engine. Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz, has determined that on certain MY19-20 C-Class, GLC-Class, and AMG GT (205, 253, and 290 platform) vehicles, the software for the AMG drive unit control unit does not correspond to the current series production configuration. As a result, noise may occur from the engine mounts. An authorized Mercedes-Benz dealer will update the software as necessary.
• 10179961Aug 10, 2020Equipment. Mobile phone Apple iPhone 11/11Pro/11ProMax/SE 2020: The Bluetooth connection between the MBUX multimedia system and the mobile phone is briefly lost
• 10179956Aug 10, 2020Electrical system. Xentry Battery Tester results disagree with workshop assessment
• 10179955Aug 7, 2020Steering. Steering wheel heater and/or Distronic function limited
• 10179966Jul 31, 2020Other or unknown, Equipment. Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional
• 10177569Jun 30, 2020Electrical system, Equipment. 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. Replacement of internal hard drive. The MBUX multimedia system (A26/17) hard drive is now available separately as a replacement part.
• 10177565Jun 25, 2020Equipment. 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. The problem only occurs in conjunction with the iPhone and software version iOS 13.x.
• 10177563Jun 22, 2020Equipment. 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.
• 10177561Jun 18, 2020Electrical system, Transmission and drivetrain, Engine, Equipment. The check engine indicator light in the instrument cluster may be illuminated with one of the following fault codes: P261029, P02FF85, or P02FF02 stored in the engine control unit (N3/10). The time in instrument cluster is implausible due to an internal reset.
• 10177551Jun 11, 2020Equipment, Electrical system. Fault code B223209 is logged as "stored" in the parking control unit.
• 10176662May 21, 2020Electrical system. Fault code B223209 is logged in the parking control unit
• 10176663May 19, 2020Engine. Check engine indicator light active and fault code P261029/P02FF85/P02FF02 stored in engine control unit

← All problems reported for the 2020 Mercedes-Benz AMG GLC43