IllustrationMAIN ENGINE WIRE HARNESS NEEDED REPLACED DUE TO FAULTY INSULATION ON THE WIRES. *TR
1993 Mercedes Benz Sl
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Sl years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 1 of 2 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
Electrical System complaints
2 reportsI AM IN THE PROCESS OF BUYING A SL600 MERCEDES AND IM FINDING EVIDENCE OF BIODEGRADABLE WIRE THAT IS FLAKING AND SHORTING OUT. I AM CONCERNED THAT THERE HAS NOT BEEN A RECALL ON THESE VEHICLES TO FIX THIS PROBLEM. PLEASE SEE LINK. *AKHTTP://WWW.BENZWORLD.ORG/GALLERY/SHOWLINK.ASP?CATID=12228&PARENTID=26&SUBNAME=SL600_THROTTLE_…
Read full complaint
I AM IN THE PROCESS OF BUYING A SL600 MERCEDES AND IM FINDING EVIDENCE OF BIODEGRADABLE WIRE THAT IS FLAKING AND SHORTING OUT. I AM CONCERNED THAT THERE HAS NOT BEEN A RECALL ON THESE VEHICLES TO FIX THIS PROBLEM. PLEASE SEE LINK. *AKHTTP://WWW.BENZWORLD.ORG/GALLERY/SHOWLINK.ASP?CATID=12228&PARENTID=26&SUBNAME=SL600_THROTTLE_BODY_DAMAGE&PARENTNAME=R129_SL_CLASS
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.