2003 Mercedes-Benz SL500 electrical system problems
10 owner complaints filed with NHTSA name the electrical system on the 2003 Mercedes-Benz SL500 — 13% of all complaints for this model year.
What owners report
“To who may this concerned, I have a 2003 Mercedes SL500 and recently found my battery control module caught on fire and burnt a section of my car. I have tried reaching out to Mercedes directly first and they said the car is 20 years ago and it could have not be a manufactured defect. Please I need…”
filed Nov 29, 2023
“I am concerned with the battery control module. I have noticed there has been a lot of incidents out there where the battery control module in the SL 500s have caught fire! I am concerned for my safety due to this defect!”
filed Nov 27, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other SL500 years
| Year | Reports | Share |
|---|---|---|
| 2004 SL500 | 4 | 9% |
| 1995 SL500 | 18 | 82% |
Other reported problem areas on the 2003 Mercedes-Benz SL500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.