One problem related to frame rust has been reported for the 2013 Mercedes Benz C300. The most recently reported issues are listed below.
The rear subframe rusted through risking the control arms from detaching from the frame. This could cause the car to be uncontrollable with the right, rear wheel and control arm from detaching from the vehicle.
| Body problems | |
| Frame Rust problems | |
| Underbody Shield problems |