2003 Mercedes-Benz S500 Recalls
No NHTSA recalls on record for the 2003 Mercedes-Benz S500. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 12 complaints with NHTSA, most often about the seat belts. Last updated July 5, 2026.
Complaints by component
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“During hot weather the seat belt gets stuck and you will not be able to use the seat belt at all. This is a safety issue and should not happen. This happens when the car is parked under hot weather. This is in the drivers side. This has been happening for the last 1 year.*dt consumer stated seat…”
“The passenger front seat belt will not retract. Also, the dashboard lights went out while driving making it very hard to see speed/fuel/gear selection. These are both safety concerns that should be recalled. We can send you a picture of the dead dash if needed. Also video of a stuck seat belt.…”
“The passenger front seat belt will not retract. Also, the dashboard lights went out while driving making it very hard to see speed/fuel/gear selection. These are both safety concerns that should be recalled. We can send you a picture of the dead dash if needed. Also video of a stuck seat belt.…”
“Tl* the contact owns a 2003 mercedes benz s500. While attempting to making a right or left turn, an abnormal noise was heard on the front passenger side of the vehicle. The failure was persistent. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The…”
“Tl* the contact owns a 2003 mercedes benz s500. The contact stated that while driving at 45 mph, the speedometer lights flashed and there was an abnormal burning odor coming from the front panel. The vehicle was not diagnosed or repaired. The contact stated he was mechanic and the instrument…”
“Special acquisition module (sam) my car would not start the mercedes roadside came out and started the car and I took it to the dealership for diagnostic. Upon review the dealer stated the sam module plastic cover had water drops on it. They also stated the male and female connectors to the module…”
“The seat belts will periodically not extend. *tr”
“Tl* the contact owns a 2003 mercedes benz s500. The contact stated that the front passenger side seat belt failed to retract. During warmer outside temperatures, the failure would worsen. The failure occurred multiple times. The dealer was unable to duplicate the failure. The vehicle was not…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2003 Mercedes-Benz S500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.