2015 Mercedes-Benz C-Class problems and complaints
Owners have filed 451 complaints with NHTSA about the 2015 Mercedes-Benz C-Class. The most-reported areas: Engine (134), Unknown Or Other (77), Structure (77).
Key takeaways
- 451 owner complaints on file with NHTSA.
- 11 involve a crash, 2 a fire, 10 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 134 | 30% |
| Unknown Or Other | 77 | 17% |
| Structure | 77 | 17% |
| Fuel/Propulsion System | 71 | 16% |
| Electrical System | 55 | 12% |
| Suspension | 35 | 8% |
| Steering | 28 | 6% |
| Air Bags | 26 | 6% |
| Power Train | 24 | 5% |
| Visibility | 11 | 2% |
| Service Brakes | 10 | 2% |
| Forward Collision Avoidance | 9 | 2% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2015 Mercedes-Benz C-Class 2 DR RWD | Not rated | Not rated | Not rated | Not rated |
| 2015 Mercedes-Benz C-Class 2 DR 4WD | Not rated | Not rated | Not rated | Not rated |
| 2015 Mercedes-Benz C-Class 4 DR RWD | 4/5 | 4/5 | 5/5 | 4/5 |
| 2015 Mercedes-Benz C-Class 4 DR 4WD | 4/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Unknown Or Other - filed 2026-10-15
I am filing a formal safety complaint regarding my 2015 Mercedes-Benz C300 (W205), with approximately 65,000 miles. An authorized Mercedes-Benz dealership diagnosed severe corrosion and perforation of the rear subframe and declared the vehicle undrivable due to this condition. The estimated repair cost is $5,531.53. ...
Electrical System,unknown Or Other - filed 2026-10-13
To Mercedes-Benz USA Customer Care, I am requesting a formal review and written explanation concerning case #24524936 and the approximately $6,000+ starter-wiring repair on my vehicle. Mercedes-Benz’s August 2017 recall notice for campaign 2017080002, NHTSA recall 17V114, states that the starting-current limiter can ...
Structure - filed 2026-09-23
The contact owns a 2015 Mercedes-Benz C300. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the vehicle and the vehicle became difficult to maneuver. The failure had occurred on several occasions. The vehicle was taken to an independent mechanic where it was diagno...
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More for the 2015 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.