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1994 Mercedes Benz Sl

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

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: 13 of 15 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 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electronic Stability Control (esc). 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.

1 crash reports3 fire reports1 injury reports

Electrical System complaints

13 reports
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89,003 miles · Feb 27, 2006
Electrical SystemService Brakes, HydraulicVehicle Speed ControlFireInjury

TOTAL ELECTRICAL FAILURE, ENGINE STOPPAGE, DEACTIVATION OF ABS, ASD, SEAT BELTS, ELECTRIC DOOR LOCKS, LIGHTS. WHEN GOING OVER A RAILROAD TRACT, ROAD VIBRATION CAUSED DETERIORATED WIRING INSULATION (INSIDE A BUNDLE OF WIRES) TO FALL OFF CAUSING A MASSIVE ELECTRICAL SHORT CIRCUIT. APPARENTLY SEVERAL MODEL YEARS OF THESE CARS WER…

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TOTAL ELECTRICAL FAILURE, ENGINE STOPPAGE, DEACTIVATION OF ABS, ASD, SEAT BELTS, ELECTRIC DOOR LOCKS, LIGHTS. WHEN GOING OVER A RAILROAD TRACT, ROAD VIBRATION CAUSED DETERIORATED WIRING INSULATION (INSIDE A BUNDLE OF WIRES) TO FALL OFF CAUSING A MASSIVE ELECTRICAL SHORT CIRCUIT. APPARENTLY SEVERAL MODEL YEARS OF THESE CARS WERE MANUFACTURED WITH WIRE INSULATION THAT 'CRUMBLES' TO A POWDER. THIS CONDITION IS NOT VISIBLE DURING ORDINARY INSPECTION AND REQUIRED ONE TO CUT OPEN THE ENCAPSULATED WIRING HARNESSES. FAILED WIRING HARNESSES FOR THESE CARS ARE COMMON I LEARNED FROM SEARCHING THE MDZ BULLETIN BOARDS. I HAVE 6 FAILED ELECTRONIC THROTTLE ACTUATORS (AT $1800 EACH!!) EXHIBITING THIS TYPE OF FAILURE. ONE EXHIBITED UNCOMMANDED WIDE OPEN THROTTLE. THE OTHERS FAILED BY ENTERING THE 'LIMP HOME' MODE. MERCEDES BENZ NORTH AMERICA IS AWARE OF THIS SERIOUS DEFECT BUT REFUSES TO REPAIR OR WARRANT THIS DEFECTIVE SAFETY SYSTEM. I WAS SHOCKED THAT MY CAR SHUT OFF COMPLETELY AND A SMALL FIRE ERUPTED IN THE MAIN ENGINE WIRING COMPARTMENT HARNESS. *NM

NHTSA ODI #10151360

82,560 miles · Sep 22, 2005
Electrical SystemFire

INSULATION ON ELECTRICAL WIRING CRUMBLES TO DUST, RESULTING IN SHORTS, DAMAGED ELECTRONICS, ENGINE STALLING, ABS FAILURE, ETC. IT APPEARS MBZ USED DEFECTIVE INSULATION ON THE ELECTRICAL WIRES IN THE ENGINE COMPARTMENT WIRING HARNESSES. IN ALL LOCATIONS THAT ARE EXPOSED TO HIGHER THAN AMBIENT TEMPERATURE THE INSULATION CRUMBLES T…

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INSULATION ON ELECTRICAL WIRING CRUMBLES TO DUST, RESULTING IN SHORTS, DAMAGED ELECTRONICS, ENGINE STALLING, ABS FAILURE, ETC. IT APPEARS MBZ USED DEFECTIVE INSULATION ON THE ELECTRICAL WIRES IN THE ENGINE COMPARTMENT WIRING HARNESSES. IN ALL LOCATIONS THAT ARE EXPOSED TO HIGHER THAN AMBIENT TEMPERATURE THE INSULATION CRUMBLES TO DUST. . DEALER SAYS 'ITS A VERY COMMON PROBLEM WITH 92-95 MODEL YEARS'. REPLACEMENT HARNESSES COST OVER $3000 (2 RQD) AND REPLACEMENT COMPONENTS WITH INTEGRAL DEFECTIVE WIRING COST OVER $8000 (NOT INCLUDING ANY COMPUTER BOXES THAT GET DAMAGED BY SHORTS. *NM

NHTSA ODI #10137365

80,600 miles · Jun 7, 2004
Electrical SystemCrashFire

THE WIRING HARNESS TO THE ENGINE CONTROL SYSTEM DEVELOPED SEVERE SHORTS, STALLED THE ENGINE, DISABLED THE ABS, ASR,SRS SYSTEMS. WITH ENGINE STALLED, STEERING AND BRAKING WERE DIFFICULT AND RESULTED IN FRONT END DAMAGE FROM IMPACT TO ROADSIDE BRUSH AND DIRT. WIRING INSULATION INSIDE THE WIRING BUNDLES HAD CRUMBLED TO DUST IN MANY…

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THE WIRING HARNESS TO THE ENGINE CONTROL SYSTEM DEVELOPED SEVERE SHORTS, STALLED THE ENGINE, DISABLED THE ABS, ASR,SRS SYSTEMS. WITH ENGINE STALLED, STEERING AND BRAKING WERE DIFFICULT AND RESULTED IN FRONT END DAMAGE FROM IMPACT TO ROADSIDE BRUSH AND DIRT. WIRING INSULATION INSIDE THE WIRING BUNDLES HAD CRUMBLED TO DUST IN MANY PLACES FAR REMOVED FROM THE SHORT/MINOR FIRE. CAR STILL NOT OPERABLE DUE TO OTHER MAJOR WIRING HARNESS SHORTS DUE TO CRUMBLING INSULATION ON THE WIRES (HIDDEN BY THE BUNDLE JACKET) DEALER RESPONSE TOUGH IF YOU HAD BOUGHT IT FROM US, AND IT WAS NEW, MAYBE, OTHERWISE GOOD BYE!*AK

NHTSA ODI #10074940

Official recalls

0

No 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

0

No exact-year investigations in this snapshot.