2022 Mercedes-Benz C300 Technical Service Bulletins

392 technical service bulletins (TSBs) are on record for the 2022 Mercedes-Benz C300. 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.

• 10222477Sep 14, 2022Latches, locks and linkages. Complaint When attempting to open the trunk lid or the tailgate, the trunk lock unlocks, but there is no actuation of the trunk control/tailgate control drive unit (M51/3). Cause Faulty microswitch signal at trunk lock. In the event of a problem, the status of the trunk lock (picture 1) does not change during opening/closing of the trunk lid or tailgate. The function of the interior trunk release is not affected…
• 10222484Sep 8, 2022Electrical system. Complaint The customer may have one or more of the following complaints: • Toll system inoperative. The system cannot be activated. • The toll system cannot log into the payment system provider. • The required toll service app is unavailable • The message "service currently not available" is displayed after selecting the "Toll Service" app Cause The serial number of the toll transponder is…
• 10219257Aug 18, 2022Electrical system. Beanstandung Customer states that wireless Apple Carplay intermittently may not initiate at start-up. The MBUX Display states "Apple Carplay could not be started. Your device has been connected as a bluetooth phone" Ursache Current MBUX Multimedia System (A26/17) software Abhilfe Updated MBUX Multimedia System (A26/17) software will be released in Q4 2022
• 10219261Aug 11, 2022Body and structure. Complaint The glass panel of the Panoramic Sliding Sunroof may not open/close when actuated via the slider of the overhead control panel. Note: The sunroof does actuate via XENTRY Diagnosis and other overhead control panel functions are not affected. Cause Previously released Panoramic Sliding Roof control unit (A98) software Remedy Perform initial start-up of Panoramic Sliding Roof control unit (A98)
• 10217164Jul 19, 2022Electrical system, Equipment, Other or unknown. Complaint Traffic Light View is intermittently inoperable after updating the MBUX Multimedia System (A26/17) to E316.5. Cause Currently available MBUX software release Remedy A software remedy is currently being developed. Note: Do not replace any parts for this complaint.
• 10217161Jul 18, 2022Engine cooling, Latches, locks and linkages, Equipment, Electrical system. Complaint The vehicle sporadically may not unlock via the radio remote control or Keyless Go. The vehicle may require multiple start attempts before starting. The faults B1A7611 and U113E87 are stored in the electronic ignition lock N73 (both faults must be present). After bus idle, the problem is no longer present. Cause Software fault in electronic ignition lock N73. Remedy Update electronic ignition lock N73 to…
• 10217154Jul 11, 2022Suspension, Equipment. 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.
• 10217152Jul 11, 2022Engine cooling, Electrical system, Equipment. Complaint Check engine light is illuminated Fault code stored P012867- The coolant temperature is below the coolant thermostat specified temperature. The signal is impermissible after an event. Cause Coolant thermostat Remedy Replace coolant thermostat with part A2542003300.
• 10217162Jul 7, 2022Electrical system, Equipment. Complaint Customer may have one or more of the following complaints: • Vehicle location is shown incorrectly in the Navigation Display • Navigation destination search is not possible • Street names are not shown in Navigation display • Apple Carplay is inoperable Cause Improper installation of navigation map data Remedy Follow these steps to delete and re-install map data: • Re-format an empty USB drive…
• 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…
• 10215000Jun 16, 2022Body and structure. Complaint Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without an obstruction (triggering of Pinch Protection). Cause Under investigation. Please open a PTSS/TIPS case for with a quick test and CU log of the Panoramic Roof TSSR223. Remedy Do NOT perform a teach-in of the roof. Please perform the following steps: 1. Create a PTSS/TIPS case 2.
• 10214957Jun 9, 2022Brakes. Complaint There is a rhythmic thumping noise coming from the front end during braking. See example audio file. Attachments File Description New Recording.m4a Cause Under investigation. Note: there is no adverse affect to braking ability. Remedy Please create a PTSS case. The following will be required for analysis: • Clear pictures of the front and back of the pads and discs • Clear video/audio file of the…
• 10213052May 26, 2022Electrical system. Complaint In the "single color" setting, it is not possible to select the color for the ambient lighting. If the setting is changed to "multicolored", the color can be changed. Cause Incorrect personalization in driver's side SAM control unit N10/6. Remedy Carry out personalization for driver's side SAM control unit N10/6.
• 10213047May 25, 2022Suspension. Complaint The vehicle level at the front and/or rear axle may be out of specification after measurement with a Romess level gauge. This condition has no impact on vehicle safety Cause The installed suspension springs may not meet specification. Remedy Measure the current level of the vehicle with a Romess level gauge. If the suspension level values are outside the specified tolerances, then different suspension…
• 10213053May 16, 2022Electrical system. Complaint Customer may state that the wrong curve direction arrow is shown in the instrument cluster (driver) display. Cause In navigation map data V10.0 released Q4 2021, some curve sections are partially turned. Therefore, in a right-hand curve, a left-hand direction arrow is sometimes shown or vice versa. Remedy In the event of a customer complaint, V9.1 of NTG7 map data can be installed. This map data version…
• 10210930Apr 1, 2022Seats. Complaint Noise from the front seats between seat-back lining and seat cover Cause Possible abrasion on seat cover Remedy Do NOT lubricate affected point or modify the original part in any way. Please create a PTSS case and replace seat-back lining and seat cover. Please do not dispose of the covers as they will be called in for analysis.
• 10210927Apr 1, 2022Electrical system. Complaint Customer states that the Radio and/or Media menus are not available in the driver display Note: Both menus are still present in the MBUX Display as it is not affected by the complaint Cause MBUX multimedia system (A26/17) software Remedy Perform the following steps to remedy the complaint: 1. Perform a software update of the MBUX multimedia system (A26/17) 2. Perform SCN coding of the Instrument Cluster…
• 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…
• 10208744Feb 16, 2022Interior lighting. Complaint The touchpad dimming function does not work and the search lighting is either at maximum brightness or fully off (dependent upon dimming signal). Note: The dimming functions of the instrument cluster and head unit display are not affected and remain fully functional. Cause Touchpad (A105) hardware Remedy The serial numbers of the potentially affected parts can be found in the attached list.
• 10207203Jan 27, 2022Electrical system. Complaint Adjustment of the outside mirrors using the driver's door switch group may not be possible or it is not possible to select the left or right outside mirror. Cause Possible software update needed to the switch group, "DSM_WM_D223 - S20/1 - Switch group 'power window assembly and outside mirror adjustment, driver's side'." Remedy Update to the latest software version for DSM_WM_D223 - S20/1 - Switch group…
• 10207200Jan 8, 2022Electrical system. Complaint In the "single color" setting, it is not possible to select the color for the ambient lighting. If the setting is changed to "multicolored", the color can be changed. Cause Incorrect personalization in driver's side SAM control unit N10/6. Remedy Carry out personalization for driver's side SAM control unit N10/6. Procedure in XENTRY Diagnosis: 1. Select driver's side SAM control unit N10/6 2. Adaptations…
• 10207206Jan 6, 2022Electrical system, Seats. Complaint Model series 206: Front seat heating nonfunctional Cause Cause is an internal error in the 'seat heating' control unit with the following designation: "B221A96 - An internal error is present in the 'seat heating' control unit. There is an internal component fault." Remedy Please do not perform any work. Do not flash, update, code or recommission the 'seat heating' control unit! Please create a PTSS case…
• 10207204Jan 6, 2022Seats. Complaint • Call of seat position memory nonfunctional • Seat cushion fore/aft adjustment nonfunctional Cause Sluggishness in mechanical components of seat cushion fore/aft adjustment Remedy Recommissioning of seat control unit at front seat subject to complaint
• 10207196Jan 6, 2022Transmission and drivetrain. Complaint The fault code C112502 is logged (as current or stored) in the rear axle control unit (N68/4). Cause The fault code is caused by communication with the ESP control unit: 1. After carrying out a quick test or performing a diagnosis on the ESP control unit (N30/3): This fault code occurs in the ESP control unit (N30/3) as a result of the diagnosis performed with XENTRY Diagnosis. At the point of diagnosis…
• 10206077Dec 8, 2021Engine cooling. "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
• 10203871Nov 1, 2021Latches, locks and linkages. "Instrument Cluster warnings when Driver's door opened"
• 10205807Aug 27, 2021Equipment. The Weather App will not populate local weather data based on current vehicle position.
• 10205814Aug 11, 2021Fuel system. Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
• 10205801Aug 10, 2021Equipment. Intermittently after bus sleep the lower control panel LCP and upper control panel UCP may be panel UCP may be inoperable.
• 10202531Jun 16, 2021Interior lighting. Touch pad: Search lighting does not dim or does not turn on.
• 10202530May 25, 2021Electrical system, Equipment, Engine cooling. Remote start causing CEL and U012600.
• 10205232Nov 30, 2016Equipment. Disturbed Antenna Signal.
• 10205242Nov 29, 2016Equipment. Navigation system permanently displays "Activating".
• 10205266Nov 21, 2016Equipment. Map pocket on front seat backrest trim does not close.
• 10205240Aug 29, 2016Equipment. Reset the customer-specific data and perform a software update of the AUDIO20 control unit.
• 10205223Aug 26, 2016Exterior lighting. Headlamp fog.
• 10205247Aug 25, 2016Equipment. Traffic information service and posibly the voice control, nonfunctional after navigation software update.
• 10205241Aug 25, 2016Equipment. Navigation system permanently displays "Activating".
• 10205230Aug 15, 2016Equipment. CD/DVD No longer ejected or drawn in.
• 10205252Aug 11, 2016Electrical system. High voltage battery warning message in instrument cluster.
• 10205154Aug 5, 2016Engine cooling, Other or unknown. Gasket may settle causing a slight oil leak.
• 10205215Jul 30, 2013Visibility (wipers, defrost, mirrors), Vehicle speed control, Equipment…. Window lifter and outside mirror on passenger side malfunction after replacement of door control unit.

← All problems reported for the 2022 Mercedes-Benz C300