Mercedes-Benz C Problems by Model Year
NHTSA recorded 14 consumer complaints across the 1 model years of the Mercedes-Benz C (2009–2009) that have at least 5 complaints. 2009 has the most, with 14. Across all years, the part named most often is transmission and drivetrain (4 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All C model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 2009 | 14 | 5,250 | 0 | 9 | — | Not enough data |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Transmission and drivetrain4 22%
- Exterior lighting4 22%
- Electrical system3 17%
- Steering2 11%
- Brakes2 11%
- Visibility (wipers, defrost, mirrors)1 5.6%
- Seat belts1 5.6%
- Equipment1 5.6%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
2009: “The wires within both of my headlights of my 2009 mercedes c300 have their insulation so deteriorated that the wires are fully exposed. This issue causes the lights to cut in and out without warning which have occurred during highways speeds and or rural areas in puerto rico. This dangerous situation is not being taken care of by the manufacturer with various attempts tried.”
NHTSA complaint #10562864, filed 2014-02, 49,000 milesOther Mercedes-Benz models
3,963 complaintsMercedes-Benz E350
2,215 complaintsMercedes-Benz E320
1,164 complaintsMercedes-Benz ML350
952 complaintsMercedes-Benz GLK350
901 complaintsMercedes-Benz ML320
740 complaintsMercedes-Benz C250
725 complaintsMercedes-Benz GLC 300
657 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology