Mercedes-Benz SLK (R171) Problems by Year

The second-generation SLK with the F1-inspired nose is a fantastic, reliable roadster if you choose the right engine. The main concerns are the complex folding roof and the balance-shaft issue on early V6 models.

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

2
Year Periods
2
Known Issues
1
Serious Faults
1
Moderate Issues

Select a Year Period

Browse Mercedes-Benz SLK (R171) in our Directory

View MOT history, registration data, and reliability scores for the Mercedes-Benz Mercedes-Benz SLK (R171).

View Mercedes-Benz SLK (R171) Directory

Buying Tips for the Mercedes-Benz SLK (R171)

  • Operate the folding "Vario-roof" multiple times to ensure smooth operation and no hydraulic leaks
  • Check the boot for dampness, which indicates blocked roof drains or failing seals
  • Avoid 2004-2008 SLK 280/350 (M272 V6) models unless there is proof the balance shaft has been replaced