2023 Mercedes-Benz C300
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2023 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.
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TSB #LI46.35-P-077076
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 »
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TSB #LI46.15-P-063353
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 »
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TSB #LI32.25-P-076956
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 »
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TSB #NCU-2023060008
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2023 C-Class (206 platform) vehicles, the adhesive seam on the cross-member in the rear area does not ... Read More »
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TSB #LI32.25-P-076956
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 »
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TSB #NCU-2023060008
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2023 C-Class (206 platform) vehicles, the adhesive seam on the cross-member in the rear area does not ... Read More »
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TSB #NCU-2023040017
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 »
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TSB #LI54.21-P-076055
Complaint Check engine light activated Fault codes stored in AMG Drive Unit N145/1 (DRVU3) B1F9713 U015400 U188D00 Cause Timing variance on wakeup of ethernet control units Remedy A solution is in development for listed faults in ... Read More »
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TSB #OTA-Comm Mod SW
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 »
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TSB #NCU-2023110010
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 »
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TSB #OTA-InductNonMMC
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 »
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TSB #OTA-InductiveSW
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 »
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TSB #LI82.95-P-076991
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 »
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TSB #NCU -MBUX SW OTA
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 »
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TSB #Ll54.10-P-076896
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 »
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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 #Ll54.10-P-076823
In the instrument cluster, the symbol for "12 V battery" and the message "Switch on vehicle" may sporadically be displayed. Read More »
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TSB #LI82.70-P-076832
Phone call log is not shown in the MBUX display. If the telephone connects with the head unit again, the call log may not be sent. Read More »
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TSB #NCU - HU Update
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 »
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TSB #NCU-2023040017
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 »
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TSB #LI82.85-P-076200
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 »
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TSB #LI82.85-P-076157
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 »
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TSB #LI82.70-P-075967
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 »
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TSB #NCU -MBUX SW OTA
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 »
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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 #LI77.21-P-074971
Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without entrapment event. Read More »
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TSB #LI72.12-P-076175
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 »
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TSB #LI72.20-P-075232
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 »
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TSB #LI77.21-P-074971
Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without entrapment event. Read More »
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TSB #LI72.10-P-076610
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 »
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TSB #LI72.12-P-076175
Complaint Seal, weather trim strip on rear doors detaching in upper area, see picture 1. Cause Production deviation at supplier of weather trim strip. Remedy Replace weather trim strip through optimized parts. Read More »
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TSB #LI72.20-P-075232
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 »
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TSB #LI72.20-P-075232
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 »
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TSB #LI72.10-P-076610
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 »
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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 #LI91.10-P-076798
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 »
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TSB #LI91.10-P-076097
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 »
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TSB #NCU-2023040017
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 »
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TSB #LI47.70-P-076030
Complaint After the charging process is complete, the IC message with charging error appears and the FC P0CFE00 is stored in the "N83 - AC charger for high-voltage battery (SG-LG)" control unit. Read More »
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TSB #LI82.95-P-076991
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 »
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TSB #LI82.70-P-076832
Phone call log is not shown in the MBUX display. If the telephone connects with the head unit again, the call log may not be sent. Read More »
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TSB #LI82.95-P-076991
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 »