FaultScore

FaultScore report

1994 Mercedes Benz E320 problems

Owners have filed 19 complaints about the 1994 Mercedes Benz E320 with NHTSA between 2012 and 2018. The largest single group is the electrical system. Across this model's run it ranks 11 of 16 worst.

B

FaultScore 38/100

Higher is worse. Measured against the other years of the Mercedes Benz E320.

How this is worked out

The numbers

19

Complaints

3

Crashes reported

1

Fires reported

2

Injuries reported

162,000 mi

Median mileage at failure

Half of reported failures happened before this

8%

Failed under 36,000 miles

Inside a typical bumper-to-bumper warranty

What kind of bad

The letter says how bad. This says what kind — whether this year drew an unusual number of complaints, unusually dangerous ones, or failures that arrived unusually early.

Complaint volume 10 vs 50 Severity 100 vs 50 Early failure 13 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 10
Against the median year of the Mercedes Benz E320. 50 means typical for this model; 100 means roughly double.
Severity — 100
31.6% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 13
8% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 1994 compares with every other Mercedes Benz E320

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 1994 Mercedes Benz E320

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

Electrical System 7 36.8%

1 crashes, 1 fires · median 155,000 mi

Acceleration & Cruise Control 3 15.8%

1 crashes, 0 fires · median 170,500 mi

Engine & Cooling 3 15.8%

Median failure at 156,254 miles

Fuel & Propulsion 2 10.5%

1 crashes, 0 fires · median 149,000 mi

Equipment & Accessories 1 5.3%

Median failure at 100,000 miles

Seats 1 5.3%
Wheels 1 5.3%

Median failure at 100,000 miles

Transmission & Drivetrain 1 5.3%

Median failure at 174,000 miles

When it fails

Odometer readings owners gave when they filed. About half of all complaints include one.

10,000 – 24,999 miles 1 7.7%
100,000 – 149,999 miles 4 30.8%
150,000+ miles 8 61.5%

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Mar 2012 peak 3 Jun 2018

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

at 100,000 miles Albuquerque, NM 1 injured

WHEELS

TL* THE CONTACT OWNS A 1994 MERCEDES-BENZ E320. WHILE REMOVING THE REAR DRIVER SIDE WHEEL, THE VEHICLE'S FACTORY EQUIPPED JACK FAILED. AS A RESULT, THE VEHICLE FELL ON THE CONTACT. THE CONTACT SUSTAINED INJURIES TO THE COLLAR BONE THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000. THE VIN WAS NOT AVAILABLE.

NHTSA complaint #11101643 — an unverified report by a vehicle owner.

at 100,000 miles Albuquerque, NM 1 injured

EQUIPMENT:MECHANICAL:ACCESSORY SCISSOR/SCREW/BOTTLE JACK/LIFT

TL* THE CONTACT OWNS A 1994 MERCEDES-BENZ E320. WHILE REMOVING THE REAR DRIVER SIDE WHEEL, THE VEHICLE'S FACTORY EQUIPPED JACK FAILED. AS A RESULT, THE VEHICLE FELL ON THE CONTACT. THE CONTACT SUSTAINED INJURIES TO THE COLLAR BONE THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000. THE VIN WAS NOT AVAILABLE.

NHTSA complaint #11101643 — an unverified report by a vehicle owner.

at 167,000 miles Adolphus, KY Crash

VEHICLE SPEED CONTROL

RECENTLY BOUGHT CAR. WIRING HARNESS HAD ALREADY BEEN REPLACED, BUT COMPUTER HAS NOT ACTED CORRECTLY SINCE THE WIRING SHORTED OUT DUE TO FAULTY INSULATION. THROWING FAULTS AND NO IDLE. SURGES FORWARD OR BACKWARDS ON ITS OWN. WHILE BACKING IT OUT OF GARAGE, IT SURGED BACKWARDS SO FAST THE BRAKES WOULD NOT HOLD. HIT TRACTOR PARKED IN DRIVEWAY BEFORE GETTING IT STOPPED. BROKE REAR BUMPER COVER. I HAVE OLDER VEHICLES (1974 CHEVY) (1990 CHEVY PICKUP) WITH ABSOLUTELY NO WIRING PROBLEMS. NOW I HAVE A REALLY NICE 1994 E320 THAT IS JUNK BECAUSE I CAN'T AFFORD THE $12 - $1500 TO REPAIR IT. I CAN NOT DRIVE IT UNTIL I CAN HAVE IT REPAIRED. GOOD THING I WASN'T IN TRAFFIC BEHIND A COP WHEN IT DECIDED TO SURGE FORWARD ON IT'S OWN, OR I WOULD BE WRITING THIS FROM INSIDE A JAIL CELL.

NHTSA complaint #10543216 — an unverified report by a vehicle owner.

at 167,000 miles Adolphus, KY Crash

ELECTRICAL SYSTEM

RECENTLY BOUGHT CAR. WIRING HARNESS HAD ALREADY BEEN REPLACED, BUT COMPUTER HAS NOT ACTED CORRECTLY SINCE THE WIRING SHORTED OUT DUE TO FAULTY INSULATION. THROWING FAULTS AND NO IDLE. SURGES FORWARD OR BACKWARDS ON ITS OWN. WHILE BACKING IT OUT OF GARAGE, IT SURGED BACKWARDS SO FAST THE BRAKES WOULD NOT HOLD. HIT TRACTOR PARKED IN DRIVEWAY BEFORE GETTING IT STOPPED. BROKE REAR BUMPER COVER. I HAVE OLDER VEHICLES (1974 CHEVY) (1990 CHEVY PICKUP) WITH ABSOLUTELY NO WIRING PROBLEMS. NOW I HAVE A REALLY NICE 1994 E320 THAT IS JUNK BECAUSE I CAN'T AFFORD THE $12 - $1500 TO REPAIR IT. I CAN NOT DRIVE IT UNTIL I CAN HAVE IT REPAIRED. GOOD THING I WASN'T IN TRAFFIC BEHIND A COP WHEN IT DECIDED TO SURGE FORWARD ON IT'S OWN, OR I WOULD BE WRITING THIS FROM INSIDE A JAIL CELL.

NHTSA complaint #10543216 — an unverified report by a vehicle owner.

at 167,000 miles Adolphus, KY Crash

FUEL/PROPULSION SYSTEM

RECENTLY BOUGHT CAR. WIRING HARNESS HAD ALREADY BEEN REPLACED, BUT COMPUTER HAS NOT ACTED CORRECTLY SINCE THE WIRING SHORTED OUT DUE TO FAULTY INSULATION. THROWING FAULTS AND NO IDLE. SURGES FORWARD OR BACKWARDS ON ITS OWN. WHILE BACKING IT OUT OF GARAGE, IT SURGED BACKWARDS SO FAST THE BRAKES WOULD NOT HOLD. HIT TRACTOR PARKED IN DRIVEWAY BEFORE GETTING IT STOPPED. BROKE REAR BUMPER COVER. I HAVE OLDER VEHICLES (1974 CHEVY) (1990 CHEVY PICKUP) WITH ABSOLUTELY NO WIRING PROBLEMS. NOW I HAVE A REALLY NICE 1994 E320 THAT IS JUNK BECAUSE I CAN'T AFFORD THE $12 - $1500 TO REPAIR IT. I CAN NOT DRIVE IT UNTIL I CAN HAVE IT REPAIRED. GOOD THING I WASN'T IN TRAFFIC BEHIND A COP WHEN IT DECIDED TO SURGE FORWARD ON IT'S OWN, OR I WOULD BE WRITING THIS FROM INSIDE A JAIL CELL.

NHTSA complaint #10543216 — an unverified report by a vehicle owner.

at 143,000 miles Arlington, VA Fire

ELECTRICAL SYSTEM

AFTER THE VEHICLE IS RESTORED, THE OWNER STARTED TO EXPERIENCE SIGNS OF ELECTRICAL MISHAP. AT FIRST, THE OVERVOLTAGE PROTECTION RELAY (OVP) SHORTED OUT AND THUS, THE CAR COULDN'T BE STARTED. AFTER REPLACING THE OVP, $100, THE CAR STARTED FINE AND ENDED UP BEING DRIVABLE BUT THE OWNER NOTICED A VERY SIGNIFICANT LOSS OF POWER. IT APPEARS THAT THERE IS MISFIRE, IN AT LEAST ONE OF THE CYLINDERS LEADING FROM THE ECU TO THE DISTRIBUTOR. OWNER STILL ENDED UP GOING TO A VIRGINIA STATE LICENSED INSPECTION AND EMISSION. WHERE IT FAILED INSPECTION BECAUSE OF MALFUNCTIONS IN THE BRAKE LIGHT, AS IT APPEARS THAT THE REVERSE LIGHT DOESN'T COME ON. THE AIR CONDITIONING SYSTEM WAS ALSO FAULTY AS IT WOULDN'T TURN ON. EVEN THOUGH THE OWNER FAILED INSPECTION, THE TECHNICIAN STILL PROCEEDED TO TEST THE EMISSIONS OF THE CAR. NEEDLESS TO SAY, THE EMISSIONS FAILED BECAUSE OF HC (HIGH CARBON) WHICH CAN BE ATTRIBUTED TO THE MISFIRING OF MULTIPLE CYLINDERS, WHICH IS THEN ASSOCIATED TO THE LACK OF POWER THE VEHICLE IS EXPERIENCING. AFTER THE CONCLUSION OF THE EMISSIONS, THE TECHNICIAN ATTEMPTED TO START THE VEHICLE AND ENDED UP HAVING A SMALL FIRE THAT WAS IGNITED IN THE EXPOSED WIRES OF THE ENGINE WIRING HARNESS THAT IS CLOSE TO THE BATTERY AREA. AFTER THE FIRE WAS PUT OUT, THE CAR WOULDN'T BE ABLE TO BE STARTED, ASSUMING THAT THE CONSUMER WOULD NEED A REPLACEMENT FOR THE ENGINE WIRING HARNESS. UPON FURTHER RESEARCH, THIS IS A VERY COMMON ISSUE IN THE W124 CHASSIS, M104 ENGINE BASED E320. THERE APPARENTLY ISN'T ANY RECALL BUT ACTION FROM THE MERCEDES-BENZ USA SHOULD BE IMPERATIVE TO CREATE A SAFE ENVIRONMENT FOR THE OWNERS OF THESE PARTICULAR CAR.

NHTSA complaint #10535552 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

at 100,000 miles Albuquerque, NM 1 injured

WHEELS

TL* THE CONTACT OWNS A 1994 MERCEDES-BENZ E320. WHILE REMOVING THE REAR DRIVER SIDE WHEEL, THE VEHICLE'S FACTORY EQUIPPED JACK FAILED. AS A RESULT, THE VEHICLE FELL ON THE CONTACT. THE CONTACT SUSTAINED INJURIES TO THE COLLAR BONE THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000. THE VIN WAS NOT AVAILABLE.

NHTSA complaint #11101643 — an unverified report by a vehicle owner.

at 100,000 miles Albuquerque, NM 1 injured

EQUIPMENT:MECHANICAL:ACCESSORY SCISSOR/SCREW/BOTTLE JACK/LIFT

TL* THE CONTACT OWNS A 1994 MERCEDES-BENZ E320. WHILE REMOVING THE REAR DRIVER SIDE WHEEL, THE VEHICLE'S FACTORY EQUIPPED JACK FAILED. AS A RESULT, THE VEHICLE FELL ON THE CONTACT. THE CONTACT SUSTAINED INJURIES TO THE COLLAR BONE THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000. THE VIN WAS NOT AVAILABLE.

NHTSA complaint #11101643 — an unverified report by a vehicle owner.

Brooklyn, NY

SEATS

CAR WAS NOT STARTING BROUGHT TO MERCEDES DEALER REPLACED A SENSOR AND THE MECHANIC AND ADVISOR SHOWED ME THE WIRE HARNESS TOLD ME I SHOULD CHANGE IT IT IS BRITTLE AND I WILL HAVE FUTURE PROBLEMS I ONLY HAVE 60,000 MILES ON THIS VECHICLE

NHTSA complaint #10818056 — an unverified report by a vehicle owner.

Brooklyn, NY

ELECTRICAL SYSTEM

CAR WAS NOT STARTING BROUGHT TO MERCEDES DEALER REPLACED A SENSOR AND THE MECHANIC AND ADVISOR SHOWED ME THE WIRE HARNESS TOLD ME I SHOULD CHANGE IT IT IS BRITTLE AND I WILL HAVE FUTURE PROBLEMS I ONLY HAVE 60,000 MILES ON THIS VECHICLE

NHTSA complaint #10818056 — an unverified report by a vehicle owner.

Brooklyn, NY

ENGINE

CAR WAS NOT STARTING BROUGHT TO MERCEDES DEALER REPLACED A SENSOR AND THE MECHANIC AND ADVISOR SHOWED ME THE WIRE HARNESS TOLD ME I SHOULD CHANGE IT IT IS BRITTLE AND I WILL HAVE FUTURE PROBLEMS I ONLY HAVE 60,000 MILES ON THIS VECHICLE

NHTSA complaint #10818056 — an unverified report by a vehicle owner.

at 131,000 miles Kansas City, KS

FUEL/PROPULSION SYSTEM

I SMELL GASOLINE INSIDE MY 1994 E320 WHEN I'M DRIVING, JUST STARTED SMELLING IT ON 3/20/15. NEVER BEFORE THIS DATE.

NHTSA complaint #10700895 — an unverified report by a vehicle owner.

at 15,000 miles Manteca, CA

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 1994 MERCEDES BENZ E320. THE CONTACT STATED THAT THE ENTIRE INSTRUMENT PANEL FAILED. NONE OF INDICATORS ON THE PANEL FUNCTIONED EXCLUDING THE CLOCK. ADDITIONALLY, THE CONTACT STATED THAT THE VEHICLE FAILED TO RESTART AFTER BEING DRIVEN. THE VEHICLE WAS TOWED TO THE CONTACTS RESIDENCE. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR A DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 150,000.

NHTSA complaint #10593414 — an unverified report by a vehicle owner.

at 167,000 miles Adolphus, KY Crash

VEHICLE SPEED CONTROL

RECENTLY BOUGHT CAR. WIRING HARNESS HAD ALREADY BEEN REPLACED, BUT COMPUTER HAS NOT ACTED CORRECTLY SINCE THE WIRING SHORTED OUT DUE TO FAULTY INSULATION. THROWING FAULTS AND NO IDLE. SURGES FORWARD OR BACKWARDS ON ITS OWN. WHILE BACKING IT OUT OF GARAGE, IT SURGED BACKWARDS SO FAST THE BRAKES WOULD NOT HOLD. HIT TRACTOR PARKED IN DRIVEWAY BEFORE GETTING IT STOPPED. BROKE REAR BUMPER COVER. I HAVE OLDER VEHICLES (1974 CHEVY) (1990 CHEVY PICKUP) WITH ABSOLUTELY NO WIRING PROBLEMS. NOW I HAVE A REALLY NICE 1994 E320 THAT IS JUNK BECAUSE I CAN'T AFFORD THE $12 - $1500 TO REPAIR IT. I CAN NOT DRIVE IT UNTIL I CAN HAVE IT REPAIRED. GOOD THING I WASN'T IN TRAFFIC BEHIND A COP WHEN IT DECIDED TO SURGE FORWARD ON IT'S OWN, OR I WOULD BE WRITING THIS FROM INSIDE A JAIL CELL.

NHTSA complaint #10543216 — an unverified report by a vehicle owner.

at 167,000 miles Adolphus, KY Crash

ELECTRICAL SYSTEM

RECENTLY BOUGHT CAR. WIRING HARNESS HAD ALREADY BEEN REPLACED, BUT COMPUTER HAS NOT ACTED CORRECTLY SINCE THE WIRING SHORTED OUT DUE TO FAULTY INSULATION. THROWING FAULTS AND NO IDLE. SURGES FORWARD OR BACKWARDS ON ITS OWN. WHILE BACKING IT OUT OF GARAGE, IT SURGED BACKWARDS SO FAST THE BRAKES WOULD NOT HOLD. HIT TRACTOR PARKED IN DRIVEWAY BEFORE GETTING IT STOPPED. BROKE REAR BUMPER COVER. I HAVE OLDER VEHICLES (1974 CHEVY) (1990 CHEVY PICKUP) WITH ABSOLUTELY NO WIRING PROBLEMS. NOW I HAVE A REALLY NICE 1994 E320 THAT IS JUNK BECAUSE I CAN'T AFFORD THE $12 - $1500 TO REPAIR IT. I CAN NOT DRIVE IT UNTIL I CAN HAVE IT REPAIRED. GOOD THING I WASN'T IN TRAFFIC BEHIND A COP WHEN IT DECIDED TO SURGE FORWARD ON IT'S OWN, OR I WOULD BE WRITING THIS FROM INSIDE A JAIL CELL.

NHTSA complaint #10543216 — an unverified report by a vehicle owner.

at 167,000 miles Adolphus, KY Crash

FUEL/PROPULSION SYSTEM

RECENTLY BOUGHT CAR. WIRING HARNESS HAD ALREADY BEEN REPLACED, BUT COMPUTER HAS NOT ACTED CORRECTLY SINCE THE WIRING SHORTED OUT DUE TO FAULTY INSULATION. THROWING FAULTS AND NO IDLE. SURGES FORWARD OR BACKWARDS ON ITS OWN. WHILE BACKING IT OUT OF GARAGE, IT SURGED BACKWARDS SO FAST THE BRAKES WOULD NOT HOLD. HIT TRACTOR PARKED IN DRIVEWAY BEFORE GETTING IT STOPPED. BROKE REAR BUMPER COVER. I HAVE OLDER VEHICLES (1974 CHEVY) (1990 CHEVY PICKUP) WITH ABSOLUTELY NO WIRING PROBLEMS. NOW I HAVE A REALLY NICE 1994 E320 THAT IS JUNK BECAUSE I CAN'T AFFORD THE $12 - $1500 TO REPAIR IT. I CAN NOT DRIVE IT UNTIL I CAN HAVE IT REPAIRED. GOOD THING I WASN'T IN TRAFFIC BEHIND A COP WHEN IT DECIDED TO SURGE FORWARD ON IT'S OWN, OR I WOULD BE WRITING THIS FROM INSIDE A JAIL CELL.

NHTSA complaint #10543216 — an unverified report by a vehicle owner.

at 143,000 miles Arlington, VA Fire

ELECTRICAL SYSTEM

AFTER THE VEHICLE IS RESTORED, THE OWNER STARTED TO EXPERIENCE SIGNS OF ELECTRICAL MISHAP. AT FIRST, THE OVERVOLTAGE PROTECTION RELAY (OVP) SHORTED OUT AND THUS, THE CAR COULDN'T BE STARTED. AFTER REPLACING THE OVP, $100, THE CAR STARTED FINE AND ENDED UP BEING DRIVABLE BUT THE OWNER NOTICED A VERY SIGNIFICANT LOSS OF POWER. IT APPEARS THAT THERE IS MISFIRE, IN AT LEAST ONE OF THE CYLINDERS LEADING FROM THE ECU TO THE DISTRIBUTOR. OWNER STILL ENDED UP GOING TO A VIRGINIA STATE LICENSED INSPECTION AND EMISSION. WHERE IT FAILED INSPECTION BECAUSE OF MALFUNCTIONS IN THE BRAKE LIGHT, AS IT APPEARS THAT THE REVERSE LIGHT DOESN'T COME ON. THE AIR CONDITIONING SYSTEM WAS ALSO FAULTY AS IT WOULDN'T TURN ON. EVEN THOUGH THE OWNER FAILED INSPECTION, THE TECHNICIAN STILL PROCEEDED TO TEST THE EMISSIONS OF THE CAR. NEEDLESS TO SAY, THE EMISSIONS FAILED BECAUSE OF HC (HIGH CARBON) WHICH CAN BE ATTRIBUTED TO THE MISFIRING OF MULTIPLE CYLINDERS, WHICH IS THEN ASSOCIATED TO THE LACK OF POWER THE VEHICLE IS EXPERIENCING. AFTER THE CONCLUSION OF THE EMISSIONS, THE TECHNICIAN ATTEMPTED TO START THE VEHICLE AND ENDED UP HAVING A SMALL FIRE THAT WAS IGNITED IN THE EXPOSED WIRES OF THE ENGINE WIRING HARNESS THAT IS CLOSE TO THE BATTERY AREA. AFTER THE FIRE WAS PUT OUT, THE CAR WOULDN'T BE ABLE TO BE STARTED, ASSUMING THAT THE CONSUMER WOULD NEED A REPLACEMENT FOR THE ENGINE WIRING HARNESS. UPON FURTHER RESEARCH, THIS IS A VERY COMMON ISSUE IN THE W124 CHASSIS, M104 ENGINE BASED E320. THERE APPARENTLY ISN'T ANY RECALL BUT ACTION FROM THE MERCEDES-BENZ USA SHOULD BE IMPERATIVE TO CREATE A SAFE ENVIRONMENT FOR THE OWNERS OF THESE PARTICULAR CAR.

NHTSA complaint #10535552 — an unverified report by a vehicle owner.

at 162,000 miles Portland, OR

ENGINE

UNDER NORMAL DRIVING CONDITION ENGINE STARTED REVVING UP TO ABOUT 3500 RPM AS IF I PRESSED THE ACCELERATOR PEDAL. FREAKY EXPERIENCE BUT LUCKILY THE ROAD WASN'T TOO BUSY. I SLOWED DOWN TO THE SIDE OF THE ROAD (WAS DRIVING IN PORTLAND OREGON INNER CITY AREA) BY PRESSING THE BRAKES AND FLIPPING THE CAR INTO NEUTRAL BUT THE ENGINE KEPT REVVING UP AROUND 3000-4000RPM. WHEN I TURNED THE ENGINE OFF AND STARTED IT AGAIN, IT WASN'T SO BAD BUT THE ENGINE WAS STILL REVVING UP AND DOWN BY ITSELF BETWEEN ABOUT 750 AND 2000RPM. I ALSO NOTICED THAT THE CAR HAD GONE INTO - WHAT I LATER READ ON INTERNET TO BE CALLED - LIMP HOME MODE WHICH MADE IT VERY ANNOYING FOR ME TO DRIVE. RESEARCH ON INTERNET TELLS ME MY E320 WAGON WITH THE M104 ENGINE HAS A TYPE OF BIODEGRADABLE ENGINE WIRING HARNESS WHICH FALLS APART AND SHOULD BE REPLACED. I LOVE MY MERCEDES AND IT DRIVES BEAUTIFULLY, BUT THAT WIRING HARNESS PROBLEM MAKES IT A PROBLEMATIC CAR, AND DANGEROUS TOO. I AM NOT WILLING TO SPEND $1,500 ON A NEW HARNESS FROM THE DEALER, SINCE IT IS NOT A RESULT OF BAD MAINTENANCE, BUT MORE A DESIGN FLAW BY MERCEDES BENZ AG. THEY SHOULD TAKE THEIR RESPONSIBILITY AND DO A RECALL. SURPRISED THEY DIDN'T ALREADY DO THAT (DID THEY?) AS I CAN IMAGINE THE BIG DAMAGE TO THE MERCEDES BENZ NAME AND IMAGE IF SOMEBODY WERE TO END UP IN A FATAL CAR CRASH DUE TO A BIODEGRADABLE WIRING HARNESS PROBLEM. THANKS.

NHTSA complaint #10484043 — an unverified report by a vehicle owner.

at 174,000 miles Newport, NH

POWER TRAIN

DUE TO THE DEFECTIVE WIRING HARNESS KNOWN TO EXIST ON MANY MERCEDES BENZ VEHICLES MADE FROM 1990 ON, I HAVE THE EXCESSIVE EXPENSE OF REPAIRING AND REPLACING EXPENSIVE PARTS (THE ENGINE WIRING HARNESS) IN THIS VEHICLE THAT FAILED PREMATURELY DUE TO FAULTY WIRING INSULATION. THE WIRING INSULATION IS INEFFICIENT AND WAS CORRECTED ON LATER MODELS, BUT CONSIDERING THAT IT IS A POOR DESIGN ON MERCEDES PART, I BELIEVE THAT THE CONSUMER SHOULD NOT BE HELD RESPONSIBLE FOR THE WIRING ISSUE. THESE CARS DO JUSTIFY THEIR PRICE IF MAINTAINED PROPERLY, AND MY VEHICLE IS OLDER AND ASIDE FROM THE WIRING HARNESS, IS IN GOOD RUNNING ORDER; YET ME, AS A CUSTOMER WHO PAYS THE PRICE TO MAINTAIN MY VEHICLE, I DO NOT FEEL THAT IT IS JUSTIFIED THAT MERCEDES ORIGINALLY INCLUDED IN THE VEHICLE PRICE THE COST OF A SUPPOSED QUALITY WIRING HARNESS, YET WHEN IT FAILS DUE TO A DESIGN FLAW, THE CONSUMER PAYS THE PRICE TO HAVE IT REPLACED WITH WHAT SHOULD HAVE ORIGINALLY BEEN INSTALLED. IT IS UNDERSTANDABLE THAT IN THE RECENT ROUGH ECONOMY THAT AN AUTO MANUFACTURER WOULD NOT WANT TO TAKE RESPONSIBILITY FOR A MAJOR DESIGN FLAW THAT COULD RESULT IN MILLIONS LOST, AND ATTEMPT TO MAXIMIZE PROFITS ON THE FLAW BY CHARGING CUSTOMERS FOR THE UPDATED HARNESS, BUT I FEEL THAT IT IS A MAJOR SAFETY HAZARD IN THE AFFECTED VEHICLES AND SHOULD BE SORTED OUT FOR DRIVERS OF ALL VEHICLES WITH THE FAULTY HARNESS FREE OF CHARGE ON A SAFETY BASIS, IF IT HAS JEOPARDIZED THE LIFE OF THE DRIVER, THEN IT SHOULD BE REPLACED FREE OF CHARGE (SURELY THAT IS THE LEAST THAT COULD BE DONE). MY CAR HAD A SHORT TODAY IN THE WIRING HARNESS AND IT CAUSED UNINTENDED SURGE OF ACCELERATION WHEN I PULLED UP TO A CURB AND THE CAR JUMPED OVER THE CURB AND BROKE OFF A BIG PLASTIC PIECE OF THE BUMPER. I ASK MYSELF WHAT WOULD HAVE HAPPENED IF I WAS AT A BUSY INTERSECTION AND THIS HAPPENED?

NHTSA complaint #10470205 — an unverified report by a vehicle owner.

at 174,000 miles Newport, NH

VEHICLE SPEED CONTROL

DUE TO THE DEFECTIVE WIRING HARNESS KNOWN TO EXIST ON MANY MERCEDES BENZ VEHICLES MADE FROM 1990 ON, I HAVE THE EXCESSIVE EXPENSE OF REPAIRING AND REPLACING EXPENSIVE PARTS (THE ENGINE WIRING HARNESS) IN THIS VEHICLE THAT FAILED PREMATURELY DUE TO FAULTY WIRING INSULATION. THE WIRING INSULATION IS INEFFICIENT AND WAS CORRECTED ON LATER MODELS, BUT CONSIDERING THAT IT IS A POOR DESIGN ON MERCEDES PART, I BELIEVE THAT THE CONSUMER SHOULD NOT BE HELD RESPONSIBLE FOR THE WIRING ISSUE. THESE CARS DO JUSTIFY THEIR PRICE IF MAINTAINED PROPERLY, AND MY VEHICLE IS OLDER AND ASIDE FROM THE WIRING HARNESS, IS IN GOOD RUNNING ORDER; YET ME, AS A CUSTOMER WHO PAYS THE PRICE TO MAINTAIN MY VEHICLE, I DO NOT FEEL THAT IT IS JUSTIFIED THAT MERCEDES ORIGINALLY INCLUDED IN THE VEHICLE PRICE THE COST OF A SUPPOSED QUALITY WIRING HARNESS, YET WHEN IT FAILS DUE TO A DESIGN FLAW, THE CONSUMER PAYS THE PRICE TO HAVE IT REPLACED WITH WHAT SHOULD HAVE ORIGINALLY BEEN INSTALLED. IT IS UNDERSTANDABLE THAT IN THE RECENT ROUGH ECONOMY THAT AN AUTO MANUFACTURER WOULD NOT WANT TO TAKE RESPONSIBILITY FOR A MAJOR DESIGN FLAW THAT COULD RESULT IN MILLIONS LOST, AND ATTEMPT TO MAXIMIZE PROFITS ON THE FLAW BY CHARGING CUSTOMERS FOR THE UPDATED HARNESS, BUT I FEEL THAT IT IS A MAJOR SAFETY HAZARD IN THE AFFECTED VEHICLES AND SHOULD BE SORTED OUT FOR DRIVERS OF ALL VEHICLES WITH THE FAULTY HARNESS FREE OF CHARGE ON A SAFETY BASIS, IF IT HAS JEOPARDIZED THE LIFE OF THE DRIVER, THEN IT SHOULD BE REPLACED FREE OF CHARGE (SURELY THAT IS THE LEAST THAT COULD BE DONE). MY CAR HAD A SHORT TODAY IN THE WIRING HARNESS AND IT CAUSED UNINTENDED SURGE OF ACCELERATION WHEN I PULLED UP TO A CURB AND THE CAR JUMPED OVER THE CURB AND BROKE OFF A BIG PLASTIC PIECE OF THE BUMPER. I ASK MYSELF WHAT WOULD HAVE HAPPENED IF I WAS AT A BUSY INTERSECTION AND THIS HAPPENED?

NHTSA complaint #10470205 — an unverified report by a vehicle owner.

at 174,000 miles Newport, NH

ELECTRICAL SYSTEM

DUE TO THE DEFECTIVE WIRING HARNESS KNOWN TO EXIST ON MANY MERCEDES BENZ VEHICLES MADE FROM 1990 ON, I HAVE THE EXCESSIVE EXPENSE OF REPAIRING AND REPLACING EXPENSIVE PARTS (THE ENGINE WIRING HARNESS) IN THIS VEHICLE THAT FAILED PREMATURELY DUE TO FAULTY WIRING INSULATION. THE WIRING INSULATION IS INEFFICIENT AND WAS CORRECTED ON LATER MODELS, BUT CONSIDERING THAT IT IS A POOR DESIGN ON MERCEDES PART, I BELIEVE THAT THE CONSUMER SHOULD NOT BE HELD RESPONSIBLE FOR THE WIRING ISSUE. THESE CARS DO JUSTIFY THEIR PRICE IF MAINTAINED PROPERLY, AND MY VEHICLE IS OLDER AND ASIDE FROM THE WIRING HARNESS, IS IN GOOD RUNNING ORDER; YET ME, AS A CUSTOMER WHO PAYS THE PRICE TO MAINTAIN MY VEHICLE, I DO NOT FEEL THAT IT IS JUSTIFIED THAT MERCEDES ORIGINALLY INCLUDED IN THE VEHICLE PRICE THE COST OF A SUPPOSED QUALITY WIRING HARNESS, YET WHEN IT FAILS DUE TO A DESIGN FLAW, THE CONSUMER PAYS THE PRICE TO HAVE IT REPLACED WITH WHAT SHOULD HAVE ORIGINALLY BEEN INSTALLED. IT IS UNDERSTANDABLE THAT IN THE RECENT ROUGH ECONOMY THAT AN AUTO MANUFACTURER WOULD NOT WANT TO TAKE RESPONSIBILITY FOR A MAJOR DESIGN FLAW THAT COULD RESULT IN MILLIONS LOST, AND ATTEMPT TO MAXIMIZE PROFITS ON THE FLAW BY CHARGING CUSTOMERS FOR THE UPDATED HARNESS, BUT I FEEL THAT IT IS A MAJOR SAFETY HAZARD IN THE AFFECTED VEHICLES AND SHOULD BE SORTED OUT FOR DRIVERS OF ALL VEHICLES WITH THE FAULTY HARNESS FREE OF CHARGE ON A SAFETY BASIS, IF IT HAS JEOPARDIZED THE LIFE OF THE DRIVER, THEN IT SHOULD BE REPLACED FREE OF CHARGE (SURELY THAT IS THE LEAST THAT COULD BE DONE). MY CAR HAD A SHORT TODAY IN THE WIRING HARNESS AND IT CAUSED UNINTENDED SURGE OF ACCELERATION WHEN I PULLED UP TO A CURB AND THE CAR JUMPED OVER THE CURB AND BROKE OFF A BIG PLASTIC PIECE OF THE BUMPER. I ASK MYSELF WHAT WOULD HAVE HAPPENED IF I WAS AT A BUSY INTERSECTION AND THIS HAPPENED?

NHTSA complaint #10470205 — an unverified report by a vehicle owner.

Verona, WI

VEHICLE SPEED CONTROL

STARTED THE CAR AT WORK AND IT WAS RUNNING ROUGH HAD NO ACCELERATION. WENT INTO LIMP HOME MODE AND I WAS ABLE TO GET HOME. MY HUSBAND IS A MECHANIC AND FOUND THE WIRING HARNESS WAS DETERIORATING, FLAKING AND FALLING APART EXPOSING ALL THE WIRES. THE CAR WOULD NO LONG EVEN START. I CALLED MERCEDES TO SEE IF THEY WOULD HELP WITH THE COST OF THE PART REPLACEMENT. THEY DENIED ANY PROBLEM WITH THE PRODUCT AND WOULD NOT ASSIST IN ANY REPAIR. I LOGGED A COMPLAINT WITH THEM UNDER MY NAME AND HAVE TRIED MANY TIMES TO GET ASSISTANCE WITH THE REPAIR. THE CAR IS STILL SITTING IN MY DRIVEWAY AS THE REPLACEMENT HARNESS IS OVER A $1000.

NHTSA complaint #10456513 — an unverified report by a vehicle owner.

Verona, WI

ELECTRICAL SYSTEM

STARTED THE CAR AT WORK AND IT WAS RUNNING ROUGH HAD NO ACCELERATION. WENT INTO LIMP HOME MODE AND I WAS ABLE TO GET HOME. MY HUSBAND IS A MECHANIC AND FOUND THE WIRING HARNESS WAS DETERIORATING, FLAKING AND FALLING APART EXPOSING ALL THE WIRES. THE CAR WOULD NO LONG EVEN START. I CALLED MERCEDES TO SEE IF THEY WOULD HELP WITH THE COST OF THE PART REPLACEMENT. THEY DENIED ANY PROBLEM WITH THE PRODUCT AND WOULD NOT ASSIST IN ANY REPAIR. I LOGGED A COMPLAINT WITH THEM UNDER MY NAME AND HAVE TRIED MANY TIMES TO GET ASSISTANCE WITH THE REPAIR. THE CAR IS STILL SITTING IN MY DRIVEWAY AS THE REPLACEMENT HARNESS IS OVER A $1000.

NHTSA complaint #10456513 — an unverified report by a vehicle owner.

Brookhaven, PA

ELECTRICAL SYSTEM

ENGINE WIRING HARNESS IS DETERIORATING AND WIRES ARE EXPOSED. THIS IS A MERCEDES BENZ MANUFACTURING PROBLEM AND THEY WILL NOT TAKE RESPONSIBILITY FOR A RECALL. THIS PROBLEM CAN CASE INJURY AND DEATH. MY CAR WILL NOT PASS INSPECTION BECAUSE OF THIS.

NHTSA complaint #10451816 — an unverified report by a vehicle owner.

at 150,508 miles Brookhaven, PA

ENGINE AND ENGINE COOLING

TL* THE CONTACT OWNS A 1994 MERCEDES BENZ E-320 CONVERTIBLE. THE CONTACT STATED THAT AFTER TAKING THE VEHICLE FOR REGULAR MAINTENANCE, SHE WAS NOTIFIED THAT THE ENGINE WIRING HARNESS WAS EXPOSED. THE MECHANIC ADVISED THAT THE WIRING HARNESS BE REPLACED SINCE IT WAS DETERIORATING AND COULD CAUSE A FIRE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND THE CURRENT MILEAGE WAS 150,508.

NHTSA complaint #10451813 — an unverified report by a vehicle owner.