EnginePart report
2003 Mercedes-Benz SLK230 Engine Problems
- Complaints
- 1about this part
- Share
- 20%of 5 total for the year
- Median mileage
- 112,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2003 Mercedes-Benz SLK230, 20% of the 5 complaints for this model year. Where a mileage was given, the median is 112,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 11017039Apr 1, 2025Complaint Vehicle with atypical reduced heat output. Cause Silicate granulate may have escaped from a damaged bag in the expansion reservoir (not visible), reducing the coolant…
Engine: other model years
Other parts of the 2003 Mercedes-Benz SLK230
← All problems reported for the 2003 Mercedes-Benz SLK230
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology