IllustrationWIRING HARNESS FAILURE
1994 Mercedes Benz SL320
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 SL320 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 →
- Engine. Review the 1 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 reportsMY MB SL320, 1994 ONLY HAS 65,000 MILES AND THE SENSIOR WIRE HARNESS IS ALL FRAILED AND COPPER WIRING EXPOSED DO TO RECYCLED COVERING MB USED WITCH SHOULD OF NEVER BEEN USED AND SHOULD OF BEEN RECALLED FOR REPLACEMENT. READING ON INTERNET THIS IS VERY SERIOUS PROBLEM AND CAUSE INJURY OR DEATH IF SHOULD SHORT OUT HAS THIS ITEM B…
Read full complaint
MY MB SL320, 1994 ONLY HAS 65,000 MILES AND THE SENSIOR WIRE HARNESS IS ALL FRAILED AND COPPER WIRING EXPOSED DO TO RECYCLED COVERING MB USED WITCH SHOULD OF NEVER BEEN USED AND SHOULD OF BEEN RECALLED FOR REPLACEMENT. READING ON INTERNET THIS IS VERY SERIOUS PROBLEM AND CAUSE INJURY OR DEATH IF SHOULD SHORT OUT HAS THIS ITEM BEEN ON RECALL AND IF NOT WHAT CAN BE DONE TO MAKE MERCEDES RESPONSIBLE?
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.