Mercedes Benz C300 owners have reported 46 vehicle speed control related problems since 1996. Table 1 shows the 6 most common vehicle speed control problems. The number one most common problem is related to the vehicle's vehicle speed control (29 problems). The second most common problem is related to the vehicle's car accelerates on its own (11 problems). For details of each of the problem category, use the links in the table.
The valve for crankcase ventilation has a malfunction. The actuator is blocked select 'error codes / events' menu in engine control unit. Then read fault memory. Read details...
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. Read details...
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. Read details...
The contact owns a 2020 Mercedes Benz C300. The contact stated that while driving at a high rate of speed, the vehicle would abruptly slow down once the traffic sign reader feature activated independently without warning. Read details...
The contact owns a 2010 Mercedes Benz C300. While driving approximately 20 mph, the vehicle accelerated independently without warning. The vehicle failed to slow down and crashed into a curb. As a result, the two rear seat passengers sustained minor lacerations. Read details...