Mercedes-Benz C-Class (W203) Problems by Year

Comfortable, but watch for Valeo radiator contamination and rust.

Select a year below to see the specific problems affecting that model year, with estimated repair costs and severity ratings.

2
Year Periods
3
Known Issues
3
Serious Faults
0
Moderate Issues

Select a Year Period

Browse Mercedes-Benz C-Class (W203) in our Directory

View MOT history, registration data, and reliability scores for the Mercedes-Benz Mercedes-Benz C-Class (W203).

View Mercedes-Benz C-Class (W203) Directory

Buying Tips for the Mercedes-Benz C-Class (W203)

  • Confirm the car escaped the Valeo radiator issue (pre-2005).
  • Check for rust around arches and bootlid.
  • Listen for timing chain rattle on M271 petrols.