Technical Service Bulletins (TSBs) for the 2022 C300 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.
The display in the Lower Multifunction Steering Wheel Button Group (A74/2) may be completely or partially inoperable (see attached picture). Read More »
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 »
Control unit N68 - electric power steering Fault P063544 - The electric power steering has a malfunction. There is a fault in the data memory. Read More »
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 »
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 »
Complaint Power steering unavailable following engine start, warning message in instrument cluster. Fault codes in electric power steering control unit (N68). Read More »
Wheezing noises from the front shock absorbers when passing over surface undulations and rough road. The noises may become more conspicuous with warm damper oil. The flow noises of the damper oil are currently being analyzed. Read More »
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. Read More »
Wheezing noises from the front shock absorbers when passing over surface undulations and rough road. The noises may become more conspicuous with warm damper oil. The flow noises of the damper oil are currently being analyzed. Read More »
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. Read More »
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2022-2023 C-Class, EQS and S-Class (206, 297 and 223 platform) vehicles, the driving assistance system control unit software does ... Read More »
Complaint The vehicle sporadically may not unlock via the radio remote control or Keyless Go. The vehicle may require multiple start attempts before starting. Read More »
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. Read More »
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. Read More »
Wireless Media Interface: Smartphone cannot be charged or charging process is interrupted. Smaller size smartphones can slip on the charging tray. In the event of a complaint, the rubber mat can be replaced. Read More »
The display in the Lower Multifunction Steering Wheel Button Group (A74/2) may be completely or partially inoperable (see attached picture). Read More »
The update of the RAMSES 1.1 module to the SW version E139.4 results in a fault in the vtime of the module and therefore to the following possible connection problems: Remote status: The time stamp of the last update that is displayed ... Read More »
This is to notify you of the Service Campaign OTA update for the MBUX control unit software in 14,559 Model Year (MY) 21-23 C-Class, S-Class, SL, EQS (206, 223, 232, 297 platform) vehicles. Read More »
The following symptoms may be present in the instrument cluster: 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carried out. 2. Read More »
Mercedes-Benz AG (??A???A???A?MBAG??A???A???A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 21-24 C-Class, EQE, EQS, GLC, GLE, GLS, S-Class, SL (206, 294, 295, 296, 297, 254, 167, 223, 232 platform) ... Read More »
Mercedes-Benz AG (??A???A???A?MBAG??A???A???A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY20-23 A-Class, C-Class, CLA, CLS, E-Class, GLA, GLB, GLC, GLE, GLS, AMG GT, S-Class (177, 205, 118, 257, 213, ... Read More »
Complaint Updating the RAMSES 1.1 module to the latest SW-version E139.4 will lead to an error in the modules vtime and therefore the following possible connectivity issues: Remote Status: ??A?A? The last updated timestamp shown in ... Read More »
Mercedes-Benz AG (??A?A?MBAG??A?A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, EQE, EQS, GLC, S-Class, and SL (206, 294, 295, 296, 297, 254, 223, and 232 platform) vehicles, there is ... Read More »
Dear Mercedes-Benz Owner: On behalf of Mercedes-Benz USA, LLC (MBUSA), thank you for being a part of the Mercedes-Benz family. We hope that you??A?A?re enjoying your vehicle. Read More »
No audio is output either in radio mode, or with media playback via app, Bluetooth or USB. In such cases, "Playback not active" is shown in the display. Mute line between communication module N112/2 and sound control unit N40/3. Read More »
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 »
Mercedes-Benz AG (??A?A?MBAG??A?A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY22-24 C-Class, AMG GT, AMG SL (206, 192, 232 platform) vehicles, the electric engine mount control unit software does not ... Read More »
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-24 C-Class, EQE, EQS, S-Class (206, 294/295, 296/297 and 223 platform) vehicles, the inductive charging system software does not ... Read More »
Mercedes-Benz AG (??A?A?MBAG??A?A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-24 C-Class, EQE, EQS, S-Class (206, 294/295, 296/297 and 223 platform) vehicles, the inductive charging system software ... Read More »
Mercedes me connect services inoperative (me-Call, Remote Status, etc.). Mercedes me services - activation not possible. Notes: - In the quick test, no fault code and no event code is stored in the RAMSES control unit (N112/2). Read More »
Mercedes-Benz AG (??A?A?MBAG??A?A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-23 C-Class, EQS, S-Class, SL, EQE, GLC (206, 296, 297, 223, 232, 294, 295, 254 platform) vehicles, the head unit software ... Read More »
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 »
12V message in IC when starting the vehicle. SW updates need to be performed. Follow the guided test for FC U116000 in N73/3*1 EIS CU. Perform the SW checks and updates. Fully charge both 12V and 48V batteries. Read More »
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 »
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2024 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 »
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2022-2023 C-Class, EQS and S-Class (206, 297 and 223 platform) vehicles, the driving assistance system control unit software does ... Read More »
Complaint Station logos are no longer displayed in the radio after updating or SCN coding the A26/17 head unit. Cause Under analysis. Remedy Currently, there is no remedy available. Please open a TIPS case for support. Read More »
Complaint Brief connectivity interruptions when using Apple CarPlay over Wi-Fi, for example when driving underneath toll bridges. Cause There may be interruptions to WiFi as a result of external interference. Read More »
Complaint Wireless charging start/charging behavior of iPhone 14 is not optimal Cause Change in iPhone software (iOS) Remedy There will be optimized software for iPhone 14 iOS (target date 05/2023). Read More »
Complaint Traffic Light View is intermittently inoperable after updating the MBUX Multimedia System (A26/17) to E316.5. Cause Previously available MBUX software release. Remedy A new software remedy is currently available. Read More »
Complaint The display in the Lower Multifunction Steering Wheel Button Group (A74/2) may be completely or partially inoperable (see attached picture). Read More »
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 »
Complaint Message in IC: "Active Brake Assist function restricted". "Active Emergency Stop Assist inoperative" "Active Lane Keeping Assist inoperative" "Active Blind Spot Assist inoperative" Note: The problem can occur after a ... Read More »
Complaint The customer may have one or more of the following complaints: a?? Toll system inoperative. The system cannot be activated. a?? The toll system cannot log into the payment system provider. Read More »
Beanstandung Customer states that wireless Apple Carplay intermittently may not initiate at start-up. The MBUX Display states "Apple Carplay could not be started. Read More »
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. Read More »
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. Read More »
Complaint Customer may have one or more of the following complaints: a?? Vehicle location is shown incorrectly in the Navigation Display a?? Navigation destination search is not possible a?? Street names are not shown in Navigation ... Read More »
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2020-2022 A-Class, C-Class, CLAClass, GLA-Class, GLB-Class, GLC-Class, GLE-Class, and GLS-Class (118, 167, ... Read More »
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. Read More »
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. Read More »
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) ... Read More »
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 »
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. Read More »
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. Read More »
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. Read More »
Complaint Updating the RAMSES 1.1 module to the latest SW-version E139.4 will lead to an error in the modules vtime and therefore the following possible connectivity issues: Remote Status: ??A?A? The last updated timestamp shown in ... Read More »
The following symptoms may be present in the instrument cluster: 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carried out. 2. Read More »
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 »
Mercedes-Benz AG (??A???A???A?MBAG??A???A???A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY20-23 A-Class, C-Class, CLA, CLS, E-Class, GLA, GLB, GLC, GLE, GLS, AMG GT, S-Class (177, 205, 118, 257, 213, ... Read More »
Mercedes-Benz AG (??A?A?MBAG??A?A?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-23 C-Class, EQS, S-Class, SL, EQE, GLC (206, 296, 297, 223, 232, 294, 295, 254 platform) vehicles, the head unit software ... Read More »
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 »
Complaint The vehicle sporadically may not unlock via the radio remote control or Keyless Go. The vehicle may require multiple start attempts before starting. Read More »
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 »
Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without entrapment event. Read More »
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 »
Seal, B-pillar trim on rear doors cracked in upper area, Production deviation at supplier of B-pillar trim. Replace B-pillar trim through optimized parts. Read More »
Seal, B-pillar trim on rear doors cracked in upper area, see picture 1. Production deviation at supplier of B-pillar trim. Replace B-pillar trim through optimized parts. Read More »
When operating a control point 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). Faulty microswitch signal of trunk lock. Read More »
Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without entrapment event. Read More »
Left and/or right front door could scuff or jamb when opening/closing in the rear upper area at the B-pillar cover of the rear doors, see picture 1 Grub screw of upper hinge of left and/or right front door is loose. 1. Read More »
Staining on door trim strips and top and bottom trim elements on rear side windows. Cause Damage to protective coating of door beltline trim strips, door upper trim strips and side window trim element. Remedy 1. Read More »
Complaint Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without entrapment event. Read More »
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. Read More »
When operating a control point 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). Faulty microswitch signal of trunk lock. Read More »
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 »
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 »
When operating a control point 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). Faulty microswitch signal of trunk lock. Read More »
Left and/or right front door could scuff or jamb when opening/closing in the rear upper area at the B-pillar cover of the rear doors, see picture 1 Grub screw of upper hinge of left and/or right front door is loose. 1. Read More »
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 »
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. Read More »
Complaint The vehicle sporadically may not unlock via the radio remote control or Keyless Go. The vehicle may require multiple start attempts before starting. Read More »
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 »
Noise at front seats between seat-back lining and function carrier. Noise is caused by friction of the two component parts. Remove the seat-back lining (back panel) of the front seat concerned using a special tool. Read More »
Complaint Play/noise at seat height adjuster or in seat guide rail on front seats Cause Tolerances and variations in the manufacturing process Remedy Review the barcode adhesive label on cross brace pipe of seat height adjuster. Read More »
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. Read More »
Complaint a?? Call of seat position memory nonfunctional a?? Seat cushion fore/aft adjustment nonfunctional Cause Sluggishness in mechanical components of seat cushion fore/aft adjustment Remedy Recommissioning of seat control unit ... Read More »
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. Read More »
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. Read More »
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2022-2023 C-Class, EQS and S-Class (206, 297 and 223 platform) vehicles, the driving assistance system control unit software does ... Read More »
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 »
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. Read More »
Complaint Updating the RAMSES 1.1 module to the latest SW-version E139.4 will lead to an error in the modules vtime and therefore the following possible connectivity issues: Remote Status: ??A?A? The last updated timestamp shown in ... Read More »
Complaint The vehicle sporadically may not unlock via the radio remote control or Keyless Go. The vehicle may require multiple start attempts before starting. Read More »
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. Read More »
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. Read More »
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. Read More »
Complaint Customer may have one or more of the following complaints: a?? Vehicle location is shown incorrectly in the Navigation Display a?? Navigation destination search is not possible a?? Street names are not shown in Navigation ... Read More »
Mercedes me connect services inoperative (me-Call, Remote Status, etc.). Mercedes me services - activation not possible. Notes: - In the quick test, no fault code and no event code is stored in the RAMSES control unit (N112/2). Read More »
Mercedes me connect services inoperative (me-Call, Remote Status, etc.). Mercedes me services - activation not possible. Notes: - In the quick test, no fault code and no event code is stored in the RAMSES control unit (N112/2). Read More »
