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2004 Mercedes-Benz SL600Problems, recalls & complaints

NHTSA has logged 4 owner complaints about the 2004 Mercedes-Benz SL600, most often about the electrical system. It has no vehicle safety recalls on record.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls0None on recordOwner complaints40 with a crash, fire or injuryTop problem2Electrical system

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through December 3, 2025. Updated daily.

Complaints by system

Where the 2004 Mercedes-Benz SL600 has problems

4 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system20
Fuel system, gasoline20
Service brakes10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

0 recalls

2004 Mercedes-Benz SL600 recalls and how many were fixed

No vehicle safety recalls are on record for this model year.

Best & worst years

2004 vs. every other SL600 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the SL600 median. How we score

'93'94'95'97'00'04'05'07
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 2004 Mercedes-Benz SL600, and the recalls they led to.

  1. AIR SUSPENSION SYSTEM FAILUREPE07042 · closed Nov 20, 2007
    No recall
In owners' words

What SL600 owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

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…
Complaint 11702808 · Dec 3, 2025
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.
Complaint 11557421 · Nov 29, 2023

Own a 2004 SL600?

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