1997 Mercedes-Benz SL500 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 1997 Mercedes-Benz SL500, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Airbags436.4%
- Body & structure19.1%
- Brakes19.1%
- Electrical19.1%
- Engine19.1%
- Powertrain (other)19.1%
- Seat belts19.1%
- Steering19.1%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
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.
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.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
WHEN THE GEARS WERE SHIFTED, THEY BECAME STUCK. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
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.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .