2010 Mercedes-Benz C300 Seat belts Problems
- Complaints
- 5about this part
- Share
- 1%of 453 total for the year
- Median mileage
- 87,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the seat belts of the 2010 Mercedes-Benz C300, 1% of the 453 complaints for this model year. Where a mileage was given, the median is 87,000 miles. 2 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.
“Srs light came on october 2017. I took my car to mercedes of sacramento . The repair tech stated that it wasn't the airbag. The repair tech said that its in the steering column. I believe it is the airbag. I need this fixed.”
NHTSA complaint #11053438, filed 2017-12“Takata recall. After purchasing my 2010 mercedes c-300 I've noticed a gas smell from the rear passenger side but this has gotten worse after I park my car in my garage overnight. The entire garage and vehicle interior smell like gas. I then notice a gas leakage spot from the rear passenger side tire. This happens when I have full tank or half of the tank full of gas. I red about this online I called the dealership but I was told the recall/ extension tank warranty does not apply to my car. Concerning the seat-belt the rear passenger side seat belt is default. It does not buckle”
NHTSA complaint #10992065, filed 2017-05“The contact owns a 2010 mercedes benz C300. The contact stated that the seat belt failed to latch. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 87,000.”
NHTSA complaint #10682060, filed 2015-02, 87,000 miles“1. Driver seat back broke in a rear collision. Documented in EMS report and Kentucky State Police official investigation photos. 2. Driver head rest failed, completedly came off during rear collision. Front passenger side did not fail. Documented in Kentucky State Police official investigation photos. 3. Driver side seat belt failed, completedly came off during rear collision.Documented in Kentucky State Police official investigation report and photos. Driver sustained massive and severe injuries. …”
NHTSA complaint #11664539, filed 2025-06“The contact owns a 2010 mercedes benz C300. The contact stated that the rear seat belts were extremely tight to the seats. The contact indicated that the seat belts in the front were loose and the seat belts in the rear were tight. The contact also indicated that the front driver side seat belt and the passenger side seat belt malfunctioned and did not work. While traveling at a highway rate of speed, another driver traveling at a high rate of speed crashed into the rear of the contact's vehicle. The other vehicle spun around and struck the front of the contact's vehicle. …”
NHTSA complaint #10661748, filed 2014-12Related service bulletins
- 10151959Jul 23, 2018Seat belt extender toothed rack sluggish or makes noises
- 10044222Apr 20, 2012Mercedes benz: front or rear seat belt does not roll up correctly. Dirt deposits on the seat belt guide due to soiled seat belt. Also included models 169, f cell, 246, and 231…
- 10039252Apr 20, 2012Mercedes-benz: the front seat belt catches when pulled out, because the strap was not guided back properly. Happens on both the passenger and driver's side. *rm updated 5/22/2012.
- 10032708Sep 29, 2009Mercedes: seat belts, emergency tensioning retractors. A new reversible emergency tensioning retractor cannot be installed. As of modification , the connector housing of the…
- 10032726Sep 3, 2009Mercedes: fault message in instrument cluster (pre-safe inactive) and fault code 530630 is current and stored in the reversible emergency tensioning retractor control unit. Left…
Seat belts: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 4% |
| 2019 | 5 | 7% |
| 2018 | 1 | 1% |
| 2017 | 21 | 10% |
| 2016 | 1 | 0% |
| 2015 | 2 | 1% |
| 2013 | 1 | 0% |
| 2012 | 1 | 0% |
| 2011 | 2 | 0% |
| 2010 | 5 | 1% |
| 2009 | 8 | 1% |
| 2008 | 22 | 3% |
Other parts of the 2010 Mercedes-Benz C300
202 complaintsElectrical system
84 complaintsSteering
71 complaintsExterior lighting
48 complaintsBody and structure
34 complaintsOther or unknown
27 complaintsFuel system
26 complaintsSuspension
26 complaintsTransmission and drivetrain
15 complaintsEngine
13 complaintsElectronic stability control
8 complaintsBrakes
7 complaints
← All problems reported for the 2010 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