2015 Mercedes-Benz C-Class problems and complaints
Owners have filed 453 complaints with NHTSA about the 2015 Mercedes-Benz C-Class. The most-reported areas: Engine (134), Structure (79), Unknown Or Other (77).
Key takeaways
- 453 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% |
| Structure | 79 | 17% |
| Unknown Or Other | 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%.
Parts for the 2015 Mercedes-Benz C-Class
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Cabin air filter
- Wiper blades
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| 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.
Structure - filed 2026-10-29
The contact owns a 2015 Mercedes-Benz C300. The contact stated that while depressing the brake pedal, the vehicle unexpectedly pulled to one side and almost crashed into another vehicle. The vehicle was taken to a local independent mechanic and was diagnosed with corrosion on the rear sub frame, causing the vehicle to ...
Structure - filed 2026-10-19
Driver rear side rusted and cracked subframe.
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. ...
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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.