One problem related to transmission noise has been reported for the 2011 Mercedes Benz C300. The most recently reported issues are listed below.
When in motion a grinding noise can be heard, which was later identified as a transmission bearing. Vehicle has approximately 69,000 miles. The vehicle has been regularly serviced by a mercedes dealer in most cases, which included a scheduled transmission service that was conducted by mercedes.
| Power Train problems | |
| Driveshaft problems | |
| Transmission Noise problems |