2003 Mercedes-Benz SLK230 Electrical system Problems
- Complaints
- 1about this part
- Share
- 20%of 5 total for the year
- Median mileage
- 184,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2003 Mercedes-Benz SLK230, 20% of the 5 complaints for this model year. Where a mileage was given, the median is 184,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2003 Mercedes-Benz SLK230. The contact stated on multiple occasions the vehicle failed to immediately start when turning the ignition key. The cause of the failure was not determined. The local dealer Mercedes-Benz of beaverton located at 9275 south west canyon rd portland or 97225 was notified of the failure. The manufacturer was not notified of the failure. The failure mileage was 184,000.”
NHTSA complaint #11339870, filed 2020-07, 184,000 milesRelated service bulletins
- 11015640Mar 5, 2025Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party…
- 11008091Sep 28, 2024Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party…
- 10167564Jul 12, 2013Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
- 10167563Jul 8, 2013The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after…
Electrical system: 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 Nov 1, 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