2004 Mercedes-Benz SL500 Vehicle speed control Problems
- Complaints
- 2about this part
- Share
- 4%of 45 total for the year
- Median mileage
- 81,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the vehicle speed control of the 2004 Mercedes-Benz SL500, 4% of the 45 complaints for this model year. Where a mileage was given, the median is 81,500 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.
“I live in texas and my mercedes went into limp mode at a red light. I can not get my transmission repaired anywhere else because they have made it impossible for any other shops to be able to service this specific transmission. They tell me and I quote we are unable to work on this transmission because it requires special tools which only mercedes dealership carry so you will have to take it to them, sorry please, please, please recall this transmission!!! …”
NHTSA complaint #10949561, filed 2017-02, 107,000 miles“The contact owns a 2004 Mercedes-Benz SL500. The contact stated that the vehicle abruptly accelerated while driving 2 MPH. The activate body control system failed and caused the hydraulic system to drop lower while driving. The contact was able to coast onto the road shoulder. The active body control system warning light illuminated after the failure occurred. The vehicle was taken to the dealer where it was diagnosed that the hydraulic system needed to be replaced. The vehicle was not repaired. The manufacturer was notified. The failure mileage was 56,000.”
NHTSA complaint #10863116, filed 2016-05, 56,000 milesVehicle speed control: other model years
Other parts of the 2004 Mercedes-Benz SL500
21 complaintsBrakes
11 complaintsFuel system
9 complaintsElectrical system
4 complaintsTransmission and drivetrain
3 complaintsWheels
3 complaintsOther or unknown
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaintsSteering
1 complaintsBody and structure
1 complaints
← All problems reported for the 2004 Mercedes-Benz SL500
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