There are no safety recalls for the 2004 Mercedes-Benz SL600, but owners have filed 4 complaints with NHTSA.
2004 Mercedes-Benz SL600 problems reported by owners
| Problem area | Reports | |
|---|
| Fuel System, Gasoline | 2 | |
| Electrical System | 2 | |
| Service Brakes | 1 | |
Most reported parts
- Fuel System, Gasoline › Delivery › Fuel Pump — 1
Typical mileage at the time of the problem: 86,000 miles (median of owner reports).
Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.
Recent 2004 Mercedes-Benz SL600 complaints
Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.
Electrical System · reported Dec 3, 2025
The safety component that is covered under the SBC warranty is the entire brake master cylinder specifically the part that is bad is the brake pedal position sensor The car is undriveable without it, they have a 25-year warranty on it yet they have no parts and no way to fix it which is obviously unacceptable they've also refused to provide a loaner car until they come up with a way to fix my car leaving me on the side of the road with nothing to drive it's unacceptable! My safety and everybody's safety on the road is affected by this because the car won't stop if you drive it and you have…
Electrical System · reported Nov 29, 2023
Mercedes SL600 BCM has electrical issues leading to a fire it is available for inspection. The car can burn down in a garage putting me and all others in or near the dwelling at risk. Yes the problem has been confirmed independently. No BCM issues lead to red light on dash.
Fuel System, Gasoline · at 40,000 miles · reported Jul 18, 2014
The contact owns a 2004 mercedes benz sl600. The contact stated that while driving 50 MPH, the vehicle stalled. The vehicle was taken to a dealer where the technician diagnosed that the fuel tank needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 40,000 and the current mileage was 40,100.
Fuel System, Gasoline · at 86,000 miles · reported Jul 7, 2010
Knocking noise begin to appear behind the driver's seat. At first, believed to be loose item in the trunk but check and can't find. Looked at forum and found that many 2003/2004 mercedes benz sl class has the same problem with defective gas tank baffle. Whenever I brake or accelerate, I hear the knocking noise, which also knocks two or three times everytime I brake or accelerate. It sounds like something is hanging from a string or floating and then because of inertia it knocks against the side of a container. The hazard that I fear is that the floating material in the gas tank knocks against…
Frequently asked questions
Does the 2004 Mercedes-Benz SL600 have any recalls?
No. NHTSA has no safety recalls for the 2004 Mercedes-Benz SL600 as of this update. Check your VIN at nhtsa.gov/recalls for the latest status.
What is the most common problem with the 2004 Mercedes-Benz SL600?
Owners report fuel system, gasoline problems most often (2 reports), followed by electrical system (2). The typical mileage when problems were reported is about 86,000 miles.
Are Mercedes-Benz recall repairs free?
Yes. Safety recall repairs are free at authorized Mercedes-Benz dealers, whether you are the first owner or bought the car used.