1994 Mercedes-Benz Sl Recalls
No NHTSA recalls on record for the 1994 Mercedes-Benz Sl. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 22 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.
“There are multiple inherant flaws with this model vehicle that affect the safety and roadworthiness of this automobile included herin as abserved by me in my ownership. I had replaced the main engine wiring harness that had insulation on the wires that litterally turned to dust! These wires were…”
“There are multiple inherant flaws with this model vehicle that affect the safety and roadworthiness of this automobile included herin as abserved by me in my ownership. I had replaced the main engine wiring harness that had insulation on the wires that litterally turned to dust! These wires were…”
“Faulty biodegradable wiring in car causing a lot of problems and I nearly caused an accident to erratic engine function 3 times. *tr”
“Faulty biodegradable wiring in car causing a lot of problems and I nearly caused an accident to erratic engine function 3 times. *tr”
“The check engine light came on. My mechanic said it was the engine wiring harness and it is a common problem. The complete engine harness is being replaced. *tr”
“Intermittent idle change and idle surges during driving. Also when coming to a stop the car cuts out. *tr”
“Intermittent idle change and idle surges during driving. Also when coming to a stop the car cuts out. *tr”
“I have a 1994 600sl mercedes (35,000 miles) with complete break down of all the electrical wire insulation. Upon my investigation I find that every sl has this problem. I would like mercedes to replace all the wiring harnesses including the harness to the throttle bodies. *tr”
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 Sl as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.