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: 6 of 9 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.
Air Bags. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Electrical System. Review the 1 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.
2 crash reports1 fire reports2 injury reports
What owners actually said
9 reports
209,000 miles · Jan 23, 2020
Air BagsSeat Belts
VEHICLE HAS APPROX. 209K MILES. SUNDAY 1/19/20 DRIVING WB ON MONTAUK HIGHWAY (NYS 27A?) AT QUOGUE NY. SPEED APPROX. 35-40 MPH. SLIGHT TURN/BEND IN ROAD TO THE RIGHT. SUNNY, DRY PAVEMENT. NO OTHER CARS FOLLOWING OR AHEAD, EITHER DIRECTION. VERY LOUD BANG HEARD INSIDE CABIN, BOTH SEATBELTS IMMEDIATELY TIGHTENED AND BOTH DRIVER …
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VEHICLE HAS APPROX. 209K MILES. SUNDAY 1/19/20 DRIVING WB ON MONTAUK HIGHWAY (NYS 27A?) AT QUOGUE NY. SPEED APPROX. 35-40 MPH. SLIGHT TURN/BEND IN ROAD TO THE RIGHT. SUNNY, DRY PAVEMENT. NO OTHER CARS FOLLOWING OR AHEAD, EITHER DIRECTION. VERY LOUD BANG HEARD INSIDE CABIN, BOTH SEATBELTS IMMEDIATELY TIGHTENED AND BOTH DRIVER AND PASSENGER FELT STRONG AIR BLAST; THAT EACH DESCRIBED AS BEING HIT IN CHEST. SOUND/AIRBLAST FOLLOWED IMMEDIATELY BY A BURNING/GUNPOWDER SMELL AND SLIGHT WHITE SMOKE IN CABIN. SRS LIGHT ON DASHBOARD WENT ON. PULLED TO SIDE OF ROAD AND OBSERVED NO OBJECTS IN ROAD BEHIND VEHICLE. ALSO, NO POTHOLES OR ROAD DEFECTS, ONLY SMOOTH PAVEMENT. NO DAMAGE TO FRONT OR SIDE OF VEHICLE OBSERVED. PASSENGER SIDE SEATBELT RETRACTED BUT LOCKED. DRIVER'S SEATBELT RETRACTED AND FUNCTIONED AFTER INCIDENT. ASSUMED BOTH AIRBAGS (DRIVER AND PASSENGER ) ACTIVATED BUT DID NOT DEPLOY. CAR WAS DRIVEN HOME WITH SRS LIGHT AND NON WORKING PASSENGER SEATBELT. MB DEALER SERVICE DEPT. (HUNTINGTON MB) DENIES THIS COULD HAVE HAPPENED (AIRBAG ACTIVATION AND/OR NO DEPLOYMENT). SAYS PROBABLY SEATBELT.
NHTSA ODI #11301461
137,452 miles · Jun 27, 2013
EngineSteering
WIRING INSULATION FOR LIGHTS AND POWER STEERING DETERIORATED TO THE POINT OF CAUSING MASSIVE SHORTS IN MULTIPLE SYSTEMS, DRAINING THE BATTERY AND RESULTING IN ENGINE FAILURE AT HIGHWAY SPEEDS. I MANEUVERED IN HEAVY TRAFFIC ONTO AN OFF RAMP THAT PROVIDED A SAFE EXIT FROM THE 6 LANE BELTWAY AND HAD TO BE TOWED. TURN SIGNALS, BRAKE…
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WIRING INSULATION FOR LIGHTS AND POWER STEERING DETERIORATED TO THE POINT OF CAUSING MASSIVE SHORTS IN MULTIPLE SYSTEMS, DRAINING THE BATTERY AND RESULTING IN ENGINE FAILURE AT HIGHWAY SPEEDS. I MANEUVERED IN HEAVY TRAFFIC ONTO AN OFF RAMP THAT PROVIDED A SAFE EXIT FROM THE 6 LANE BELTWAY AND HAD TO BE TOWED. TURN SIGNALS, BRAKE LIGHTS, POWER STEERING, HALF OF THE INSTRUMENTS (INCLUDING SPEEDOMETER AND ODOMETER), BATTERY AND CHARGING SYSTEM ARE INOPERABLE DUE TO BARE WIRES SHORTING OUT THE WIRING HARNESSES. ESTIMATE FOR REPAIRS BEGINS WITH REPLACING THE LIGHTING WIRING HARNESS AT A COST OF $4000, WITH NO GUESS AS TO WHAT THE FINAL COSTS MIGHT BE, PROVIDED THEY CAN FIND A WIRING HARNESS. THE SHOP HAS SEEN SIMILAR PROBLEMS WITH MERCEDES OF THIS VINTAGE AND IS AWARE THAT MERCEDES HAS NOT PROVIDED A VOLUNTARY RECALL TO DEAL WITH DEFECTIVE PARTS. *TR
NHTSA ODI #10522165
130,000 miles · Jul 8, 2011
Air BagsCrashInjury
TL* THE CONTACT OWNED A 1997 MERCEDES-BENZ SL 500. THE CONTACT STATED THAT WHILE DRIVING 50 MPH, THE VEHICLE HYDROPLANED UP TO 70 MPH AND CRASHED INTO A TREE. THE AIR BAGS DID NOT DEPLOY AND THE VEHICLE WAS DESTROYED. AS A RESULT, THE CONTACT SUFFERED BROKEN RIBS AND A SHATTERED SPINE. THE CONTACT WAS WEARING THE SEAT BELT DURIN…
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TL* THE CONTACT OWNED A 1997 MERCEDES-BENZ SL 500. THE CONTACT STATED THAT WHILE DRIVING 50 MPH, THE VEHICLE HYDROPLANED UP TO 70 MPH AND CRASHED INTO A TREE. THE AIR BAGS DID NOT DEPLOY AND THE VEHICLE WAS DESTROYED. AS A RESULT, THE CONTACT SUFFERED BROKEN RIBS AND A SHATTERED SPINE. THE CONTACT WAS WEARING THE SEAT BELT DURING THE FAILURE. THE CONTACT WAS TAKEN TO THE HOSPITAL TO TREAT THE INJURIES. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 130,000.
NHTSA ODI #10411530
114,000 miles · Apr 30, 2007
Electrical SystemFire
I HAD A WIRING HARNESS FIRE IN MY VEHICLE A 1997 MERCEDES BENZ SL 500, IT IS DUE TO A DEFECT IN THE WIRE HARNESS BUT MERCEDES BENZ IS DECLINING ANY INVOLVEMENT, I KNOW OF 129 OTHER FAILURES IN LIKE VEHICLES, IT'S COSTING ME $10,000 TO FIX AND I WILL NOT HAVE MY CAR BACK UNTIL JULY 2007. THIS NEEDS TO STOP MERCEDES IS DEINYING …
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I HAD A WIRING HARNESS FIRE IN MY VEHICLE A 1997 MERCEDES BENZ SL 500, IT IS DUE TO A DEFECT IN THE WIRE HARNESS BUT MERCEDES BENZ IS DECLINING ANY INVOLVEMENT, I KNOW OF 129 OTHER FAILURES IN LIKE VEHICLES, IT'S COSTING ME $10,000 TO FIX AND I WILL NOT HAVE MY CAR BACK UNTIL JULY 2007. THIS NEEDS TO STOP MERCEDES IS DEINYING ALL INVOLVMENT.*AK
NHTSA ODI #10189295
40,000 miles · Aug 4, 2005
Air BagsCrashInjury
DT: CONTACT STATED WHILE DRIVING A 1997 MERCEDES SL-500 IT WAS INVOLVED IN AN ACCIDENT WHERE THE DRIVER, PASSENGER, AND SIDE AIR BAGS DID NOT DEPLOY. CONSUMER WAS DRIVING APPROXIMATELY 15-20 MPH, WHEN THE VEHICLE WAS STRUCK (T-BONED) ON THE PASSENGER SIDE DOOR. THE IMPACT CAUSED THE VEHICLE TO HIT OTHER VEHICLES. THE CONSUMER…
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DT: CONTACT STATED WHILE DRIVING A 1997 MERCEDES SL-500 IT WAS INVOLVED IN AN ACCIDENT WHERE THE DRIVER, PASSENGER, AND SIDE AIR BAGS DID NOT DEPLOY. CONSUMER WAS DRIVING APPROXIMATELY 15-20 MPH, WHEN THE VEHICLE WAS STRUCK (T-BONED) ON THE PASSENGER SIDE DOOR. THE IMPACT CAUSED THE VEHICLE TO HIT OTHER VEHICLES. THE CONSUMER WAS WEARING A SEAT BELT. THE AIR BAG LIGHT WAS NOT ILLUMINATED BEFORE THE ACCIDENT OCCURRED. THE VEHICLE HAD NOT BEEN IN ANY PREVIOUS ACCIDENTS. THERE WAS A RECALL TO HAVE THE DRIVER SIDE AIR BAG REPLACED. THE CONSUMER DID HAVE THIS RECALL SERVICE PERFORMED. THE MANUFACTURER STATED THE AIRBAGS WERE NOT INTENDED TO DEPLOY IN THIS TYPE OF ACCIDENT. *AK
NHTSA ODI #10131538
56,000 miles · Jan 5, 2005
Air Bags
CONSUMER WAS DRIVING AT APPROXIMATELY 30 MPH, AND THE AIR BAG ON THE PASSENGER SIDE INADVERTENTLY DEPLOYED. CONSUMER TOOK THE VEHICLE TO THE DEALER, AND THE DEALER TOLD THE CONSUMER THAT THEY'VE NEVER SEEN ANYTHING LIKE THIS, AND WAS TELLING THE CONSUMER THAT THE VEHICLE HAD TO HAVE HIT SOMETHING FOR THIS TO HAPPEN. VEHICLE WAS…
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CONSUMER WAS DRIVING AT APPROXIMATELY 30 MPH, AND THE AIR BAG ON THE PASSENGER SIDE INADVERTENTLY DEPLOYED. CONSUMER TOOK THE VEHICLE TO THE DEALER, AND THE DEALER TOLD THE CONSUMER THAT THEY'VE NEVER SEEN ANYTHING LIKE THIS, AND WAS TELLING THE CONSUMER THAT THE VEHICLE HAD TO HAVE HIT SOMETHING FOR THIS TO HAPPEN. VEHICLE WAS NOT HIT. *AK *NM
NHTSA ODI #10103740
Mileage unknown · Jun 18, 2003
Power Train
WHEN THE GEARS WERE SHIFTED, THEY BECAME STUCK. *AK
NHTSA ODI #10024364
Mileage unknown · Jun 20, 2002
Service Brakes, Hydraulic
WHILE DRIVING AT 40-50 MPH AND TRYING TO SLOW DOWN CONSUMER COULD NOT STOP VEHICLE. CONTACTED DEALER ,AND THE DEALER WAS NOT WILLING TO DO ANYTHING.*AK
NHTSA ODI #8012243
Mileage unknown · Oct 31, 2001
Structure
WHENEVER VEHICLE RUNS OVER A BUMPS OR A POTHOLE, IT CAUSES DOOR LOCKS TO POP OPEN. DEALER NOTIFIED, AND PROBLEM STILL CCURRING. FEEL FREE TO PROVIDE ANY ANY FURTHER INFORMATION.*AK
VEHICLE DESCRIPTION: PASSENGER VEHICLES. CORROSION OF THE ELECTRICAL IGNITION FILAMENT OF THE AIR BAG GAS GENERATOR MODULE CAN OCCUR IF THE VEHICLE IS OPERATED IN AREAS OF FREQUENTLY HIGH HUMIDITY.
Consequence & remedy
Consequence: CORROSION OF THE IGNITION FILAMENT CAN RESULT IN THE DRIVER'S AIR BAG BEING DEPLOYED UNINTENTIONALLY.
Remedy: DEALERS WILL REPLACE THE DRIVER'S AIR BAG MODULE.
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
0
No exact-year investigations in this snapshot.
1997 Mercedes Benz SL500 Problems, Complaints & Recalls | Skip That Year