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Seat beltsPart report

2012 Mercedes-Benz C300 Seat belts Problems

Complaints
1about this part
Share
0%of 267 total for the year
Median mileage
66,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the seat belts of the 2012 Mercedes-Benz C300, 0% of the 267 complaints for this model year. Where a mileage was given, the median is 66,000 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owned a 2012 Mercedes-Benz C300. While driving at an unknown speed, the contact's vehicle rear ended another vehicle. The air bags did not deploy and the seat belt pretension did not function. A police report was filed. The vehicle was destroyed and towed. The manufacturer was notified of the failure. There was one injury that required medical attention. The contact sustained short term memory loss, a seizure, and liver damage. The contact had to remain hospitalized for five days. The failure mileage was 66,000.”

NHTSA complaint #10865776, filed 2016-05, 66,000 miles

Related service bulletins

Seat belts: other model years

YearComplaintsShare of year
202214%
201957%
201811%
20172110%
201610%
201521%
201310%
201210%
201120%
201051%
200981%
2008223%

Other parts of the 2012 Mercedes-Benz C300

Air bags
114 complaints
Suspension
69 complaints
Body and structure
55 complaints
Other or unknown
23 complaints
Brakes
15 complaints
Electrical system
12 complaints
Fuel system
12 complaints
Steering
8 complaints
Engine
5 complaints
Transmission and drivetrain
5 complaints
Exterior lighting
4 complaints
Wheels
4 complaints

← All problems reported for the 2012 Mercedes-Benz C300

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.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology