2023 Mercedes-Benz C-Class problems and complaints
Owners have filed 26 complaints with NHTSA about the 2023 Mercedes-Benz C-Class. The most-reported areas: Forward Collision Avoidance (11), Service Brakes (7), Unknown Or Other (6).
Key takeaways
- 26 owner complaints on file with NHTSA.
- 2 involve a crash, 0 a fire, 1 reported injury.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Forward Collision Avoidance | 11 | 42% |
| Service Brakes | 7 | 27% |
| Unknown Or Other | 6 | 23% |
| Electrical System | 5 | 19% |
| Engine | 3 | 12% |
| Tires | 3 | 12% |
| Visibility/Wiper | 1 | 4% |
| Structure | 1 | 4% |
| Power Train | 1 | 4% |
| Suspension | 1 | 4% |
| Air | 1 | 4% |
| Fuel/Propulsion System | 1 | 4% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2023 Mercedes-Benz C-Class 4 DR AWD | Not rated | Not rated | Not rated | Not rated |
| 2023 Mercedes-Benz C-Class 4 DR RWD | Not rated | Not rated | Not rated | Not rated |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Unknown Or Other,engine - filed 2026-09-24
My vehicle developed a coolant warning during normal road use. I had not experienced any known collision, crash, or unusual impact. I brought the vehicle to an authorized Mercedes-Benz dealer for inspection. The dealer diagnosed the problem as: “Front low-temperature cooler replacement – impact damage causing leak.” T...
Tires - filed 2026-06-16
2 of 245/40HR18XL & 2 of 225/45HR18XL... All 4 tires replaced I purchased a 2023 Mercedes-Benz C300 from Benzel Busch motor car (an authorized Mercedes-Benz dealer) in [XXX] in XXX. Since purchase, this vehicle has had repeated, unresolved defects. The Check Engine warning light has illuminated numurous times, resul...
Unknown Or Other,service Brakes,forward Collision Avoidance - filed 2026-05-05
I am filing a safety complaint regarding my 2023 Mercedes-Benz AMG C43 4MATIC. The vehicle has approximately 23,000 miles. On multiple occasions, the vehicle has abruptly and violently applied the brakes and/or come to a near stop while I was driving on highways and side roads, even though there was nothing in front of...
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More for the 2023 Mercedes-Benz C-Class
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.