Mercedes-Benz C400 Problems by Model Year
NHTSA recorded 10 consumer complaints across the 1 model years of the Mercedes-Benz C400 (2015–2015) that have at least 5 complaints. 2015 has the most, with 10. Across all years, the part named most often is body and structure (6 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All C400 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 |
|---|---|---|---|---|---|---|
| 2015 | 10 | 41,850 | 8 | 116 | — | Not enough data |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Body and structure6 46%
- Visibility (wipers, defrost, mirrors)1 7.7%
- Vehicle speed control1 7.7%
- Suspension1 7.7%
- Other or unknown1 7.7%
- Engine1 7.7%
- Electronic stability control1 7.7%
- Electrical system1 7.7%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
2015: “The panoramic sunroof in my car exploded at approximately 6.45am on monday, june 29th 2015. The car was purchased new from mercedes benz in paramus on saturday, june 27th, 2015. The car had 146 miles on the odometer. I was in nj and I was traveling west on I-78 (express lanes) at approximately 65mph. There were no other vehicles in close proximity, there was a vehicle trailing a few car lengths behind me. The road was relatively smooth and the weather was dry. No projectile hit the glass prior to it exploding. …”
NHTSA complaint #10780092, filed 2015-10, 146 milesOther Mercedes-Benz models
3,965 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
659 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology