WIRING HARNESS IS DISINTERGRATING. CAR RUNS VERY ROUGH. VISIBLE BARE WIRES. CHECK ENGINE LIGHT COMES ON AND GOES OFF. SMELLS OF BURNING WIRE.
1996 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: 2 of 4 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 →
- Fuel System, Gasoline. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. 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.
What owners actually said
4 reportsMY CAR APPEARS TO OVER HEAT, BUT IT'S ACTUALLY JUST THE TEMP GAUGE JUMPING AROUND ERRATICALLY. THE MECHANIC SAYS IT'S THE WIRING HARNESS - A KNOWN PROBLEM IN THESE CARS WHICH IS BEING IGNORED BY THE MANUFACTURER. *TT
AIR CONDITIONER FAILED. QCAW
FUEL : JUNE 07. GAS LEAKED FROM UNDERNEATH VEHICLE NEAR BACK WHEEL ON PASSENGER'S SIDE. JUNE 11, TOOK TO MERCEDES DEALER TO HAVE CHECKED AND THEY COULD NOT FIND ANYTHING WRONG WITH IT. *AKTHEY STATED THAT IT IS AN UNDERCOATIING THAT IS LEAKING AND NOT OIL. *AK
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.
Illustration