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Mercedes-BenzModel report

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.

YearComplaintsMedian miRecallsTSBsScore (50 = typical)Trend
20151041,8508116—Not enough data

Parts named most often, all years

Counts add up complaint mentions across the listed years. A complaint can name several parts.

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 miles

Other Mercedes-Benz models

Mercedes-Benz C300
3,965 complaints
Mercedes-Benz E350
2,215 complaints
Mercedes-Benz E320
1,164 complaints
Mercedes-Benz ML350
952 complaints
Mercedes-Benz GLK350
901 complaints
Mercedes-Benz ML320
740 complaints
Mercedes-Benz C250
725 complaints
Mercedes-Benz GLC 300
659 complaints

All Mercedes-Benz models →

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