THE ENGINE WIRING HARNESS INSULATION ON MY E300D DIESEL MERCEDES BENZ WAS SEVERELY CRACKED TO THE POINT THAT IS CAUSED THE ELECTRICAL COMPONENTS IN THE ENGINE TO FAIL. THE ENGINE TEMPERATURE SENSORY FAILED, THE GLOW PLUG RELAY FAILED, AND THE EXTERNAL AIR TEMPERATURE SENSORY FAILED. THE WIRING HARNESS AND THE COMPONENTS WERE REP…
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THE ENGINE WIRING HARNESS INSULATION ON MY E300D DIESEL MERCEDES BENZ WAS SEVERELY CRACKED TO THE POINT THAT IS CAUSED THE ELECTRICAL COMPONENTS IN THE ENGINE TO FAIL. THE ENGINE TEMPERATURE SENSORY FAILED, THE GLOW PLUG RELAY FAILED, AND THE EXTERNAL AIR TEMPERATURE SENSORY FAILED. THE WIRING HARNESS AND THE COMPONENTS WERE REPLACED BY A AUTO REPAIR SHOP AT SIGNIFICANT COST.*AK
NHTSA ODI #10185688
216,000 miles · Oct 18, 2006
Electrical System
DURING ENGINE WORK MY MECHANIC INDICATED THAT THE ENGINE WIRING HARNESS HAD DEGRADED AND EXPOSED BARE WIRES IN SOME AREAS. ELECTRICAL PROBLEMS INCLUDED FANS RUNNING CONSTANTLY AND INTERMITTENT AC OPERATION. MY RESEARCH INDICATED THAT NUMEROUS PEOPLE HAD EXPERIENCED PROBLEMS WITH THE MERCEDES-BENZ W124 BODY STYLE WIRING HARNESS…
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DURING ENGINE WORK MY MECHANIC INDICATED THAT THE ENGINE WIRING HARNESS HAD DEGRADED AND EXPOSED BARE WIRES IN SOME AREAS. ELECTRICAL PROBLEMS INCLUDED FANS RUNNING CONSTANTLY AND INTERMITTENT AC OPERATION. MY RESEARCH INDICATED THAT NUMEROUS PEOPLE HAD EXPERIENCED PROBLEMS WITH THE MERCEDES-BENZ W124 BODY STYLE WIRING HARNESS, INCLUDING ASSOCIATED DAMAGE TO OTHER COMPONENTS, SMOKE AND IN SOME CASES FIRES. APPARENTLY THE HARNESS HAD BEEN DESIGNED TO DEGRADE EASILY UPON THE END OF ITS LIFE IN A LANDFILL, BUT THE HARNESSES ARE DEGRADING WHILE STILL IN USE, TO THE DETRIMENT OF THE CONSUMER. I HAD THE MECHANIC REPLACE THE HARNESS, WHICH I HAVE KEPT AND CAN PRODUCE IF HELPFUL. COST OF THE NEW HARNESS AND LABOR WAS APPROXIMATELY $500, SINCE MY CAR IS A DIESEL. SIMILAR HARNESSES FOR GASOLINE ENGINE CARS CAN COST IN EXCESS OF $1,000. I DID NOT WANT TO RISK A FIRE OR DAMAGE TO OTHER ELECTRICAL COMPONENTS IN THE CAR, NOT TO MENTION THE RELIABILITY CONCERNS. I FEEL REPLACING THE PART WAS NECESSARY FOR THE SAFE DRIVING OF THE CAR. *NM
NHTSA ODI #10171241
160,000 miles · Aug 10, 2006
Electrical System
DT*: THE CONTACT STATED THE VEHICLE HAD A WIRING HARNESS PROBLEM. THE PLASTIC HARNESS CAUSED PROBLEMS WITH THE SPEED CONTROL AS WELL. THE VEHICLE HAD PROBLEMS ACCELERATING AT 65 MPH AND THE DEALER DETERMINED THE WIRING HARNESS NEEDED TO BE REPLACED. THE CONTACT STATED THE PROBLEM HAD BEEN AN ONGOING ISSUE FOR TWO YEARS.*AK
NHTSA ODI #10165159
155,000 miles · Sep 10, 2005
Electrical System
MAIN ENGINE WIRING HARNESS IS CURRENTLY DETERIORATING CAUSING THE WIRES TO BE EXPOSED TO AN INTENSE AMOUNT OF HEAT. *JB
NHTSA ODI #10136061
Mileage unknown · Nov 20, 2000
Electrical SystemSeats
MANUFACTURER'S RECALL 950223/ NHTSA RECALL 95V031000; DRIVER'S SIDE SEAT IS LOCKED IN ONE POSITION, SEAT CANNOT BE ADJUSTED. CONSUMER HAS CONTACTED DEALER ON A NUMBER OF OCCASIONS. DEALER HAS REPLACED PARTS, PROBLEM HAS REOCCURRED. PLEASE PROVIDE ANY FURTHER DETAILS.*AK
THE FRONT PASSENGER METAL FOOT REST CAN, OVER TIME, ABRADE THROUGH THE WIRING HARNESS UNDER THE FOOT REST CAUSING THE WIRING HARNESS TO SHORT CIRCUIT.
Consequence & remedy
Consequence: A SHORT CIRCUIT CAN CAUSE THE WIRES TO OVERHEAT, STALL THE ENGINE, OR INADVERTENTLY DEPLOY AN AIRBAG, ANY OF THESE INCREASES THE POTENTIAL FOR A VEHICLE CRASH.
Remedy: DEALERS WILL INSTALL ADDITIONAL WIRING HARNESS CABLE FASTENER TIES AND EDGE PROTECTIVE COVERING FOR SHARP EDGES OF THE METAL FOOT REST.
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
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No exact-year investigations in this snapshot.
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