2015 Mercedes-Benz C300 Vehicle speed control Problems
- Complaints
- 5about this part
- Share
- 1%of 381 total for the year
- Median mileage
- 15,148miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the vehicle speed control of the 2015 Mercedes-Benz C300, 1% of the 381 complaints for this model year. Where a mileage was given, the median is 15,148 miles.
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.
“On february 9th, during my morning commute on the interstate the car lost power to the drivetrain. Message that displays was collision assist plus inoperative along with cruise control inoperative. With an amber esp light illuminated, there was no engine light on. When this message appeared the car would no longer accelerate (limp mode). In avoidance to being in a rear end collision I quickly pulled over, turned off the car and turned back on. Inoperative message, limp mode and esp light was cleared. I called dealer to notify. …”
NHTSA complaint #11397252, filed 2021-02, 91,000 miles“Collusion prevention system inoperative. Causes car to slow slow down and or stop while on the road. Poses a severe life threatening driving condition for me and other drivers. Many other mercedes benz owners across the USA, canada, and japan are complaining of the same error message and issues. My mbusa advisor stated her vehicle is doing the same thing. My service advisor at the dealership stated its mice that are eating the wires. I am taking my vehicle to two other mechanics for opinions on the cause of the error message. …”
NHTSA complaint #10887534, filed 2016-07, 18,000 miles“Was driving on city street, and the collision prevention assist disabled warning sign came on and I lost power to the car. I'm told this is called limp mode. I tried to pick up speed by pressing throttle to the floor, but got no reaction at all. Then some power came back, but not much. Each time I braked to stop for light or turn this would happen. After I got home I restarted the engine and it seemed normal again. However I was afraid to drive it, especially since in the last six months my power steering also failed, and had it towed to dealer. …”
NHTSA complaint #10864838, filed 2016-05, 12,295 miles“The contact owns a 2015 mercedes benz C300. While driving at 55 MPH, when the accelerator pedal was depressed but the vehicle did not accelerate. The contact coasted over to an emergency lane. The vehicle was taken to the dealer but the failure was unable to be determined. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 1,200.”
NHTSA complaint #10713916, filed 2015-04, 1,200 miles“Car looses speed while driving in the street or a highway. No code have been detected in the computer. I have been taking the car to the dealership but they haven't found what's the problem.”
NHTSA complaint #11209979, filed 2019-05Related service bulletins
- 10205215Jul 30, 2013Window lifter and outside mirror on passenger side malfunction after replacement of door control unit.
Vehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 1 | 9% |
| 2022 | 1 | 4% |
| 2020 | 2 | 6% |
| 2019 | 3 | 4% |
| 2017 | 2 | 1% |
| 2016 | 2 | 1% |
| 2015 | 5 | 1% |
| 2014 | 3 | 3% |
| 2013 | 7 | 3% |
| 2012 | 1 | 0% |
| 2011 | 3 | 1% |
| 2010 | 4 | 1% |
| 2009 | 8 | 1% |
| 2008 | 8 | 1% |
Other parts of the 2015 Mercedes-Benz C300
127 complaintsFuel system
70 complaintsOther or unknown
63 complaintsBody and structure
60 complaintsElectrical system
50 complaintsSteering
23 complaintsSuspension
22 complaintsTransmission and drivetrain
20 complaintsVisibility (wipers, defrost, mirrors)
16 complaintsAir bags
12 complaintsBrakes
9 complaintsForward collision avoidance
8 complaints
← All problems reported for the 2015 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