2012 Mercedes-Benz C250 engine problems
61 owner complaints filed with NHTSA name the engine on the 2012 Mercedes-Benz C250 — 22% of all complaints for this model year.
What owners report
“The contact owns a 2012 Mercedes-Benz C250. The contact stated that while driving at an undisclosed speed, there was an abnormal rattling sound coming from the vehicle with the check engine warning light illuminated. The contact drove the vehicle to the shoulder of the road. The contact stated that…”
filed Aug 18, 2025
“The model/year Mercedes-Benz are well known for experiencing this/these particular issues. My research has shown that these year/make/model vehicles are experiencing the same type of mechanical failures nationwide. The issues all relatively begin around 75,000 miles. I've only had my car 3 years…”
filed Jun 12, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other C250 years
| Year | Reports | Share |
|---|---|---|
| 2014 C250 | 22 | 13% |
| 2013 C250 | 46 | 17% |
Other reported problem areas on the 2012 Mercedes-Benz C250
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.