RoadVitals

1993 Mercedes-Benz 500 Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
23
Latest Feb 13, 2016
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
1
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
0
Reports on file since Apr 25, 1995

What this page shows

Our database holds 23 NHTSA owner-reported complaints for the 1993 Mercedes-Benz 500. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–23 of 23

Electrical
Filed Feb 13, 2016

WIRE HARNESS DEFECT CAUSING SHORT IN SYSTEM SMOKE INSIDE THE VEHICLE WHILE DRIVING ON A COUNTY ROAD IMMEDIATELY PULLED OVER CUTTING OTHER DRIVERS OFF JUST TO GET VEHICLE IN A SAFE AND SECURED LOCATION.

NHTSA ID
10825979
Incident
Nov 8, 2015
Mileage
217,000 mi
Electrical
Filed Jan 9, 2012

ENGINE LIGHT ON DUE TO FAULTY ENGINE WIRING HARNESS. MANY ELECTRICAL PROBLEMS, INSULATION CRACKED ALL THROUGHOUT HARNESS. REQUIRES REPLACEMENT!! *TR

NHTSA ID
10443206
Incident
Jan 9, 2012
Mileage
89,000 mi
Electrical
Filed May 27, 2011
Fire reported

TL* THE CONTACT OWNS A 1993 MERCEDES-BENZ 500 SEL. THE CONTACT STATED THAT THE VEHICLE WOULD STALL SPORADICALLY WITHOUT WARNING. THE VEHICLE WAS TOWED TO A LOCAL MECHANIC WHERE THE CONTACT WAS ADVISED THAT THE VEHICLE HAD OVERHEATED AND CAUSED SEVERAL WIRES TO MELT. THE VEHICLE WAS NOT REPAIRED. NEITHER THE DEALER NOR THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 116,000 AND THE CURRENT MILEAGE WAS 125,000. THE VIN WAS UNAVAILABLE.

NHTSA ID
10403595
Incident
May 27, 2007
Mileage
116,000 mi
Electrical
Filed Dec 8, 2007

" EXTREMELY DANGEROUS ENGINE WIRE HARNESS " I BELIEVE THE FAULTY WIRE HARNESS COATING WAS MANUFACTURED FROM 1991 TO 1996 BY MERCEDES BENZ. THE PLASTIC COATING THAT PROTECT THE WIRES FROM TOUCHING AS THEY GO TO EIGHT FUEL INJECTORS, COMPLETELY DISSOLVE IN MANY AREAS.....CAUSING A MULTITUDE OF EVENTS: 1) SUDDEN ENGINE FAILURE 2) ENGINE FIRES 3) EXTREME LOSS OF POWER, CAUSING CAR TO JERK INTENSELY WITH THE POWER STEERING GOING IN AND OUT MAKING IT "ALMOST IMPOSSIBLE" TO CONTROL CAR. I HAVE REPLACED THE "ENGINE WIRE HARNESS" ONCE, & NOW NEEDS ANOTHER ON MY 93 MERCEDES 500 SEL WITH 170,000 MILES (THIS WILL BE THE 3RD WIRE HARNESS). (M.B.U..S..A.) IS VERY MUCH AWARE OF THEIR "FAULTY HARNESS" AND HAVE BEEN SENT PICTURES OF CARS BURNED TO THE GROUND, THOUSANDS OF LETTERS AND PICTURES CONSUMERS CONSUMERS, BUT REFUSE TAKE RESPONSIBILITY FOR THIS "DEFECTIVE-PART" ((THEY REFUSE TO RECALL THIS POTENTIALLY DEADLY HARNESS)) THIS PROBLEM IS SO INTENSELY DANGEROUS TO EVERYONE ON A ROAD WAY, BECAUSE THE REACTIONS WHEN THESE WIRES TOUCH ARE "COMPLETELY UNPRODICAB E". MAKE MERCEDES STAND UP TO THE PLATE AND "R E C A L L " THIS EXTREMELY DANGEROUS E N G I N E W I R E H A R N E S S ! WITH MANUFACTURE DATES 1991 THROUGH 1996. (NOT POSITIVE OF EXACT YEARS, BUT SOMEWHAT ACCURATE) MY 1993 500 SEL STALLED IN MIDDLE LN. ON HWY. 280 IN SAN JOSE CA. ON 11-29-2007 @ 5:15 P.M. (NEAR 7TH STREET EXIT) NEARLY RESULTING IN MY DEATH. CARS TRYING TO AVOID ME DURING THEIR UNEXPECTED AND SUDDEN STOP AND/OR LANE CHANGES. CARS SKIDDING, SLIDING, LOSING CONTROL....IT WAS A NIGHTMARE!!!. IT'S A WONDER NO ONE INCLUDING MYSELF WAS K I L L E D. I'M 46 YRS OLD, & THAT WAS "THE MOST DANGEROUS SITUATION, & CLOSEST TO MY BEING KILLED THAT I 'VE EXPERIENCED!" THERE'S NO WARNING TO THE SIDE EFFECTS WHEN THE WIRE HARNESS WARMS UP AND THE UNPROTECTED WIRES BEGIN TO CROSS CURRENT WITH ONE ANOTHER. *TR

NHTSA ID
10211224
Incident
Nov 29, 2007
Mileage
175,000 mi
Electrical
Filed Nov 29, 2007
1 injury reported

WHEN MY 1993 MERCEDES BENZ 500 SEL WARMS TO ITS NORMAL RUNNING TEMP. IT BEGINS TO ACT AS IF IT IS NOT GETTING FUEL. IT CUTS OUT INTENSELY AND THEN DIES OUT COMPLETELY. THIS IS VERY DANGEROUS WHEN PULLING OUT ANYWHERE. I WAS TOLD THAT IT IS THE FUEL INJECTION WIRING HARNESS. WHEN THE CAR FINALLY QUITS COMPLETELY, YOU ARE STRANDED ROADSIDE OF AT LEAST 15 MIN. UNTIL IT WILL START AGAIN. I HAVE BEEN TOLD THAT THIS WIRE HARNESS HAS CAUSED FIRES WHICH HAVE DESTROYED OTHERS WITH THIS SAME DEFECTIVE WIRE COATING. PLEASE HELP US MAKE MERCEDES DO A RECALL, THEY ARE RISKING OUR LIVES! I WAS STRUCK BY A DRIVER WHEN HAVING TO PUSH MY CAR TO THE CURB WHEN STALLING FROM THIS WIRE HARNESS PROBLEM. FORTUNATELY I WAS NOT HIT AT A FASTER SPEED. ALL I RECEIVED WAS SOME MAJOR BRUISING ON MY HIP FROM THE CARS BUMPER. I SUFFERED WITH PAIN FOR OVER A WEEK. I AM NOT FILING FOR GETTING HURT, ONLY TO FIX THIS WELL KNOWN DEFECTIVE COATING ON THE MERCEDES BENZ WIRING HARNESS. PLEASE HELP US WITH OBTAINING A RECALL ON THIS VERY POTENTIALLY DANGEROUS PROBLEM. THANK YOU! P.S SEPT 1 IS WHEN THIS PROBLEM STARTED AND HAPPENS EVERY DAY NOW WHEN THE CAR WARMS UP. THEY WANT 1400 DOLLARS FOR A NEW HARNESS WHEN THE 1ST ONE WAS MADE D E F E C T I V E L Y ! *TR

NHTSA ID
10210291
Incident
Sep 1, 2007
Mileage
170,000 mi
Electrical
Filed Nov 7, 2007

MY MECHANIC TOLD ME ON 11/3/2007 THAT THE WIRE HARNESS ON MY 1993 MERCEDES 500 SEL COULD CAUSE FIRE OR DEATH TO MY FAMILY AND THAT MERCEDES BENZ U.S.A. KNOWS ABOUT THE FAULTS IN THE WIRE HARNESS AND KNOWS THE PEOPLE ARE IN DANGER AND HAVE YET TO DO A RECALL ON YEARS (1992 THROUGH 1996) PLEASE HELP US GET A RECALL IN THE WIRE HARNESS BEFORE PEOPLE GET BURNT OR DIE THESE WIRES JUST FALL APART AND THEN TOUCH EACH OTHER AND THAT IS WHEN THE DANGER STARTS, THIS REALLY IS A SERIOUS AND DANGEROUS SITUATION AND WE ARE ASKING FOR YOUR HELP. THANK YOU! *TR

NHTSA ID
10208221
Incident
Nov 3, 2007
Mileage
100,000 mi
Electrical
Filed Aug 28, 2007

1993 MERCEDES BENZ 500SEL WIRING HARNESS FAILURE- INSULATION ON WIRING BECAME BRITTLE AND BEGAN TO FALL OFF. SHORTS IN WIRING LEAD TO TROUBLE LIGHTS COMING ON AND NEEDED TO BE REPLACED. *JB

NHTSA ID
10201073
Incident
Aug 27, 2007
Mileage
100,000 mi
Engine
Filed Aug 28, 2007

MY 500E SEDAN WAS EXPERIENCING ERRATIC THROTTLE CONTROL AND INTERMITTENT STALLING WHILE DRIVING, THUS PLACING ME AT RISK OF NO CONTROL OF THE VEHICLE. *TR AN EXAMINATION OF BOTH THE ENGINE WIRING HARNESS AND THROTTLE-BODY SHOWED DISINTEGRATION OF THE WIRES PROTECTIVE INSULATION. BOTH ITEMS WERE REPLACED AT A COST OF APPROX. $1,900.

NHTSA ID
10200980
Incident
Oct 11, 2006
Electrical
Filed Apr 4, 2007

1993 MERCEDES BENZ 500E ENGINE WIRING HARNESS INSULATION CANNOT STAND UP TO THE HEAT OF THE ENGINE AND LOSES ITS INSULATION, CREATING AN ENGINE MALFUNCTION AND POSSIBLE FIRE HAZARD.*AK

NHTSA ID
10187000
Incident
Apr 4, 2007
Mileage
91,000 mi
Electrical
Filed Aug 25, 2006

SHORTING IN ELECTRICAL SYSTEMS CAUSING FAILURES OF IGNITION AND COMPUTER SYSTEMS INTERMITTENTLY. ROOT CAUSE ANALYSIS SHOW THAT FAILURE OF THE SHEATHING AND MATERIALS OF THE WIRING HARNESSES CAUSE CORRUPTION OF ELECTRICAL CIRCUITS AND REQUIRE COMPLETE REPLACEMENT OF HARNESSES DUE TO POOR QUALITY MATERIALS. COMPLETE REPLACEMENT OF THE WIRING HARNESSES WAS COMPLETED IN JULY OF 2005. *JB

NHTSA ID
10166496
Incident
Feb 4, 2005
Mileage
198,788 mi
Electrical
Filed Aug 25, 2006

SHORTING IN ELECTRICAL SYSTEMS CAUSING FAILURES OF IGNITION AND COMPUTER SYSTEMS INTERMITTENTLY. ROOT CAUSE ANALYSIS SHOW THAT FAILURE OF THE SHEATHING AND MATERIALS OF THE WIRING HARNESSES CAUSE CORRUPTION OF ELECTRICAL CIRCUITS AND REQUIRE COMPLETE REPLACEMENT OF HARNESSES DUE TO POOR QUALITY MATERIALS. *JB

NHTSA ID
10166495
Incident
Jun 4, 2006
Mileage
230,040 mi
Electrical
Filed Aug 22, 2006

1993 MERCEDES 500E WIRING HARNESS DISINTEGRATED. THE IGNITION MODULE WAS ALSO DEFECTIVE *TS THE DEFECTIVE IGNITION MODULE HAS CUT SPARK TO HALF THE CYLINDERS IN THE ENGINE. *NM

NHTSA ID
10167967
Incident
Jan 1, 1901
Electrical
Filed Jun 19, 2006

CAR WILL QUIT ALL OF A SUDDEN AND LEAVE ME WITH NO BRAKES AND NO STEERING. THIS IS DUE TO A BRAKE DOWN IN THE ENGINE ELECTRICAL HARNESS. THIS IS GOING TO CAUSE AN ACCIDENT AND OR A FIRE. *NM

NHTSA ID
10160120
Incident
Jun 10, 2006
Mileage
134,465 mi
Electrical
Filed May 31, 2006

ENGINE WIRING HARNESS DEGRADED AND STARTED BECOMING BRITTLE RESULTING IN WARNING LIGHTS, FAILED WATER TEMPERATURE SENSING AND ULTIMATELY POOR RUNNING OF ENGINE AND WIRING HARNESS CRUMBLING. *NM

NHTSA ID
10158632
Incident
May 25, 2006
Mileage
74,000 mi
Electrical
Filed Apr 24, 2006

BOTH ENGINE / FUEL INJECTION WIRING HARNESSES OF MY 1993 MERCEDES-BENZ 500E (115,000 MILES), HAVE CRACKED INSULATION THROUGHOUT. THEY ARE SHORTING OUT, CAUSING STALLING AND THE IMPOSITION OF (INVOLUNTARY/UNACCEPTABLE) RISKS OF DANGEROUS ENGINE MALFUNCTIONS AND/OR FIRES INSIDE THE ENGINE COMPARTMENT. NUMEROUS REPORTS OF OTHER MERCEDES-BENZ VEHICLES OF THE SAME AGE DOCUMENT SAID (IDENTICAL) DEFECTS. ALTHOUGH THIS ISSUE IS KNOWN TO MERCEDES-BENZ, A RECALL HAS BEEN REFUSED, OUTRIGHT/HAS YET TO TRANSPIRE. PLEASE ADVISE, ASAP; THANK YOU. *NM

NHTSA ID
10155987
Incident
Apr 24, 2006
Mileage
60,000 mi
Electrical
Filed Dec 2, 2005

THE ENGINE/FUEL INJECTION WIRING HARNESS OF MY 1993 MERCEDES-BENZ 500E (64,000 MILES), HAS CRACKED INSULATION THROUGHOUT AND IS BEGINNING TO SHORT OUT, WITH THE RISK OF CAUSING DANGEROUS ENGINE MALFUNCTION, AND EVEN FIRE INSIDE MY ENGINE COMPARTMENT. I HAVE READ MANY REPORTS OF OTHER MERCEDES-BENZ CARS OF THE SAME AGE RANGE HAVING THE EXACT SAME ISSUE. THIS IS A KNOW ISSUE WITH MERCEDES THAT THEY REFUSE TO RECALL. *NM

NHTSA ID
10118292
Incident
Apr 21, 2005
Mileage
60,000 mi
Electrical
Filed Sep 15, 2005

1993 MERCEDES BENZ 500E - STALLS, ROUGH IDLE AND HESITATION. THE CAR DUE TO WIRING DEFECT SHUTS DOWN DURING DRIVING ACTIVITIES IE. PULLING INTO TRAFFIC AND ALMOST IN A SERIOUS ACCIDENT. THIS WAS REPORTED TO MERCEDES USA AND REPORTED TO DEALERSHIP, THEY STATED UNAWARE OF PROBLEM BUT WOULD REPLACE FOR $1200. PER CLUBS AND USER GROUPS (WWW.500ECSTASY.COM) ALL OWNERS HAVE REPLACED OR EXPERIENCED SAME PROBLEMS. *JB

NHTSA ID
10136633
Incident
Jan 3, 2005
Mileage
70,000 mi
Electrical
Filed Jul 22, 2005

MERCEDES BENZ WIRING HARNESS DEFECT.*MR THE CONSUMER STATED THE MANUFACTURER NEEDS TO ACKNOWLEDGE THERE IS A PROBLEM WITH THEIR VEHICLES. *JB UPDATED 08/22/06. *JB UPDATED 12/07/15.*JB

NHTSA ID
10130247
Incident
Jul 1, 2005
Filed Jun 30, 2003

POSSIBLE ODOMETER TAMPERING. *AK

NHTSA ID
10025163
Incident
Jun 26, 2003
Mileage
80,455 mi
Seat belts
Filed Aug 28, 2001

REAR SEAT BELT DOES NOT FUNCTION SINCE PURCHASE.

NHTSA ID
9003474
Incident
Apr 1, 2001
Driver assistance
Filed Nov 3, 1999
1 death reported

UPON STARTING THE VEHICLE WHEN TURNING THE KEY IN THE IGNITION, THE VEHICLE SUDDENLY ACCELERATED, CAUSING THE CONSUMER TO RUN INTO A STORE WINDOW, KILLING A BYSTANDER. CONSUMER HAS CONTACTED THE DEALER. PLEASE PROVIDE ANY FURTHER DETAILS. *AK

NHTSA ID
852487
Brakes
Filed Jan 14, 1998

ABS BRAKES FAILED, PEDAL WENT ALL THE WAY TO THE FLOOR, RESULTING IN BRAKES FADING/EXTENDED STOPPING DISTANCE. ALSO REPLACED FRONT BRAKE PADS. *AK

NHTSA ID
523016
Incident
Jun 1, 1997
Transmission
Filed Apr 25, 1995

THE TRACTION CONTROL HAS PREVENTED THE DRIVER FROM MOVING THE VEHICLE WHEN ANY PORTION OF VEHICLE IS ON ICE/SNOW ON AMAIN HIGHWAY OR IN DRIVEWAY. *AK

NHTSA ID
964294
Incident
Feb 13, 1994

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.

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