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Vehicle speed controlPart report

2011 Mercedes-Benz C300 Vehicle speed control Problems

Complaints
3about this part
Share
1%of 480 total for the year
Median mileage
10,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the vehicle speed control of the 2011 Mercedes-Benz C300, 1% of the 480 complaints for this model year. Where a mileage was given, the median is 10,000 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.

“The contact owned a 2011 mercedes benz C300. While at a stop, the accelerator pedal was applied and the vehicle violently accelerated to 30 MPH. The brake pedal was depressed, but failed to respond causing the contact to crash into the rear end of another vehicle. The steering wheel and the steering column air bags deployed. As a result, the contact sustained knee and back injuries that required medical attention. A police report was filed. The vehicle was destroyed. The manufacturer was notified of the failure. The approximate failure mileage was 10,000.”

NHTSA complaint #10762315, filed 2015-09, 10,000 miles

“1.What component or system failed or malfunctioned, and is it available for inspection upon request? The fuel system failure is a highly critical safety concern, and my life is at risk. It causes malfunctions with the vehicle, for example, the OBD-based emissions test has flagged a lot of (codes P219A, P0300, P0304, P0410, P0305, P0303, P0171, P0301) 5 of the cylinder misfire codes with the check engine light on, as well affecting other parts in the vehicle function properly, acceleration issues, car stalling as though it’s going to shut off. …”

NHTSA complaint #11621516, filed 2024-10

“2011 mercedes benz C300. Consumer writes in regards to unintended acceleration. The consumer stated the vehicle acclerated over a cement parking barrier and into a tree. The dealer was notified.”

NHTSA complaint #11361835, filed 2020-10

Vehicle speed control: other model years

YearComplaintsShare of year
202419%
202214%
202026%
201934%
201721%
201621%
201551%
201433%
201373%
201210%
201131%
201041%
200981%
200881%

Other parts of the 2011 Mercedes-Benz C300

Air bags
250 complaints
Suspension
60 complaints
Body and structure
49 complaints
Fuel system
44 complaints
Electrical system
43 complaints
Steering
34 complaints
Other or unknown
33 complaints
Exterior lighting
20 complaints
Brakes
13 complaints
Engine
10 complaints
Transmission and drivetrain
10 complaints
Seats
4 complaints

← All problems reported for the 2011 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