1994 Mercedes-Benz Sl500 Recalls
No NHTSA recalls on record for the 1994 Mercedes-Benz Sl500. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 10 complaints with NHTSA, most often about the electrical system. 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.
“Engine compartment fire near drivers firewall. Fire was extinguished however strong fuel vapors remained. Origin of fire unknown. I submitted a report for my 1999 mercedes which caught fire from the hood insulation falling onto the hot manifold in the same general area.”
“Engine compartment fire near drivers firewall. Fire was extinguished however strong fuel vapors remained. Origin of fire unknown. I submitted a report for my 1999 mercedes which caught fire from the hood insulation falling onto the hot manifold in the same general area.”
“Engine compartment fire near drivers firewall. Fire was extinguished however strong fuel vapors remained. Origin of fire unknown. I submitted a report for my 1999 mercedes which caught fire from the hood insulation falling onto the hot manifold in the same general area.”
“Started the car at work and it was running rough had no acceleration. Went into limp home mode and I was able to get home. A mechanic found the wiring harness was deteriorating, flaking and falling apart exposing all the wires. The car would no long even start. I called mercedes to see if they…”
“Factory material defect. Engine wire harness insulation is breaking down and flaking off, leaving exposed wire. Ignition is poor and threatens to stall, especially when engine temperature warms up to 85-90c. I fear the engine may fail or catch fire during a drive and cause an accident. There is…”
“While attempting to track down the cause of an occasionally erratic idle I removed the engine cover to examine the plug wires and discovered a rather alarming problem/safety issue. The main engine wire harness for the fuel injectors and other engine systems had bare wires!!?? Upon further…”
“1994 mercedes benz sl500 engine wiring harness failure. Harness insulation seems to be disintegrating. *jb”
“Dt*: the contact stated while stopped at a stop sign, the engine started making loud noises. There were no warning lights illuminated. The vehicle was taken to the dealership, who determined the engine wiring harnesses had to be replaced and that the vehicle was not safe to operate with such…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1994 Mercedes-Benz Sl500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.