2016 Mercedes-Benz C-Class problems and complaints
Owners have filed 318 complaints with NHTSA about the 2016 Mercedes-Benz C-Class. The most-reported areas: Engine (99), Unknown Or Other (73), Fuel/Propulsion System (58).
Key takeaways
- 318 owner complaints on file with NHTSA.
- 7 involve a crash, 5 a fire, 8 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 99 | 31% |
| Unknown Or Other | 73 | 23% |
| Fuel/Propulsion System | 58 | 18% |
| Electrical System | 37 | 12% |
| Structure | 33 | 10% |
| Power Train | 21 | 7% |
| Steering | 17 | 5% |
| Visibility | 13 | 4% |
| Visibility/Wiper | 10 | 3% |
| Fuel System | 9 | 3% |
| Gasoline | 9 | 3% |
| Service Brakes | 9 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2016 Mercedes-Benz C-Class 4 DR RWD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2016 Mercedes-Benz C-Class 4 DR 4WD | 5/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Suspension - filed 2026-10-06
Failed state safety inspection due to a severely corroded and rotted rear subframe, creating an immediate driving hazard.
Structure - filed 2026-10-06
The contact owns a 2016 Mercedes-Benz C 300. The contact stated that while performing maintenance on the vehicle with the dealer, it was discovered that the rear subframe was severely rusted and perforated. The contact associated the failure with Technical Service Bulletin: MC-10232321-0001; extended warranty, but vehi...
Unknown Or Other - filed 2026-09-14
Vehicle has prematurely rusted subframe. It is a know manufacturer defect, for which the manufacturer is covering repair cost for owners of the preceding model, but refuses to acknowledge responsibility on this model. (W204 model covered — W205 Mercedes (only offered $500.00 on a repair they value at over $6,000.00.))
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More for the 2016 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.