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.
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Year Periods
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Known Issues
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Serious Faults
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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) DirectoryBuying 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