NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
12 reportsClear category filterMileage unknown · Jun 20, 2013
Electrical SystemSteeringCrash
MY VEHICLE WAS PARKED IN FRONT OF STORE ALLOWING A 93 YEAR OLD LADY TO GO SHOPPING,AS I WAS PARKED THERE I WAS SIDESWIPED, I IMMEDIATELY TOOK IT TO THE AUTO SHOP TO HAVE IT REPAIRED, AFTER DOING THIS I DISCOVERED THAT THE KEY CAN'T START THE CAR BECAUSE THE IGNITION IS JAMMED OR KEY WILL NOT TURN, SO THE CAR WON'T START. I CALLE…
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MY VEHICLE WAS PARKED IN FRONT OF STORE ALLOWING A 93 YEAR OLD LADY TO GO SHOPPING,AS I WAS PARKED THERE I WAS SIDESWIPED, I IMMEDIATELY TOOK IT TO THE AUTO SHOP TO HAVE IT REPAIRED, AFTER DOING THIS I DISCOVERED THAT THE KEY CAN'T START THE CAR BECAUSE THE IGNITION IS JAMMED OR KEY WILL NOT TURN, SO THE CAR WON'T START. I CALLED A LOCKSMITH AND DISCOVERED THAT THE IGNITION IS DEFECTED. *TR
NHTSA ODI #10520979
48,000 miles · Apr 25, 2013
Electrical System
TL* THE CONTACT OWNS A 1996 MERCEDES BENZ E320. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS AND THE CONTACT WAS INFORMED THAT THE STARTER WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE V…
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TL* THE CONTACT OWNS A 1996 MERCEDES BENZ E320. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS AND THE CONTACT WAS INFORMED THAT THE STARTER WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS TOWED BACK TO THE MECHANIC FOR DIAGNOSIS AND THE CONTACT WAS INFORMED THAT THE WIRING HARNESS HAD BEGAN TO DRY ROT AND WAS TO DETERIORATING. THE VEHICLE WAS REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 48,000. ..UPDATED 07-01-13 *BF
NHTSA ODI #10509592
148,000 miles · Sep 9, 2012
Electrical SystemFire
THIS VEHICLE (1996 MERCEDES E320) HAS HAD A HISTORY OF ELECTRICAL PROBLEMS OVER THE PAST SEVERAL YEARS. MANY REPAIRS HAVE BEEN MADE TO THE VEHICLE ELECTRICAL SYSTEMS AT GREAT EXPENSE! THIS TIME THE VEHICLE WOULD NOT START AND I WAS INVESTIGATING THE CAUSE MYSELF. TROUBLESHOOTING REVEALED A DEFECTIVE WIRING HARNESS ASSEMBLY FR…
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THIS VEHICLE (1996 MERCEDES E320) HAS HAD A HISTORY OF ELECTRICAL PROBLEMS OVER THE PAST SEVERAL YEARS. MANY REPAIRS HAVE BEEN MADE TO THE VEHICLE ELECTRICAL SYSTEMS AT GREAT EXPENSE! THIS TIME THE VEHICLE WOULD NOT START AND I WAS INVESTIGATING THE CAUSE MYSELF. TROUBLESHOOTING REVEALED A DEFECTIVE WIRING HARNESS ASSEMBLY FROM THE ELECTRICAL SYSTEM CONNECTION IN THE LEFT FRONT OF THE ENGINE COMPARTMENT TO THE PARK/NEUTRAL SAFETY SWITCH ON THE TRANSMISSION AND TO THE STARTER. THIS HARNESS ALSO INCLUDES CONNECTIONS TO THE STARTER AND SENSORS ON THE TRANSMISSION. ALL WIRES IN THE ENTIRE HARNESS HAVE CRUMBLED INSULATION AND HAVE SHORTED TOGETHER. THIS CAUSED SHORTING AND BURNING OF THE WIRES AND DAMAGE TO OTHER SYSTEM COMPONENTS. I HAVE BEEN A MECHANIC FOR 15+ YEARS AND IT IS OBVIOUS THAT THE HARNESS ASSEMBLIES ON THIS VEHICLE ARE OF POOR QUALITY AND SUBJECT TO FAILURE. THE INSULATION ON ALL WIRES IS INFERIOR AND WILL FAIL AND CRACK OVER SHORT PERIODS OF TIME. FURTHER INVESTIGATION OF THE OTHER HARNESSES ON THE VEHICLE HAS REVEALED THE SAME PROBLEMS. THIS COULD HAVE CAUSED A MAJOR FIRE AND PERSONAL INJURY. LUCKILY THE DAMAGE WAS SMALL AND CONTAINED TO THIS ONE HARNESS, HOWEVER ALL HARNESS ON THE VEHICLE MUST BE REPLACED. *TR
NHTSA ODI #10474421
45,000 miles · Nov 13, 2009
Electrical System
OUR LOW MILEAGE 1996 E320 MERCEDES CHECK ENGINE LIGHT KEEPS GOING AND REMAINING ON.(FOR YEARS NOW) THE CODE COMES UP ADVISING THAT A SWITCH ON THE AUTOMATIC TRANS.IS FAULTY. HAD MB REPLACE IT AND A WEEK LATER IT CAME UP WITH THE SAME CODE. MB HAS LOOKED AT IT NUMEROUS TIMES, THE LAST TIME I WAS CHARGED. I HAVE HAD TO REPLACE THE…
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OUR LOW MILEAGE 1996 E320 MERCEDES CHECK ENGINE LIGHT KEEPS GOING AND REMAINING ON.(FOR YEARS NOW) THE CODE COMES UP ADVISING THAT A SWITCH ON THE AUTOMATIC TRANS.IS FAULTY. HAD MB REPLACE IT AND A WEEK LATER IT CAME UP WITH THE SAME CODE. MB HAS LOOKED AT IT NUMEROUS TIMES, THE LAST TIME I WAS CHARGED. I HAVE HAD TO REPLACE THE IGNITION SWITCH AT 55,000 MILES (MB-$650.) THEY CHARGED ME FOR ANOTHER HOUR AS THEY SAID THAT THE WIRING HARNESS WAS DAMAGED. I TOLD THEM THAT THIS WAS A ONE OWNER CAR SERVICED AT MB AND NOTHING IN THE DASH HAD EVER BEEN TAKEN APART BEFORE. THEY CLAIM IT HAD BEEN . NOT TRUE. AFTER THIS REPAIR, THE RIGHT SIDE AUTOMATIC DAYTIME RUNNING LIGHTS, INCLUDING THE RIGHT TAIL LIGHT ONLY WORKS IF I USE THE LIGHT SWITCH. THEY DENY THAT THE IGNITION SWITCH REPAIR HAS ANYTHING TO DO WITH IT. UNLIKE THE US , MB CANADA IS A CARTEL AND THEIR ATTITUDE HAS A LOT TO BE DESIRED. THERE ARE FOUR MERCEDES BENZ DEALERSHIPS IN VANCOUVER BC AND ALL ARE MB CANADA OWNED AND OPERATED.AS IN ALL OTHER CANADIAN CITIES. *TR
NHTSA ODI #10292085
113,000 miles · Feb 18, 2009
Electrical System
UP UNTIL ABOUT 6 MONTHS AGO, THE ONLY PROBLEMS TO MY VEHICLE HAD BEEN DUE TO ROUTINE MAINTENANCE. ABOUT THAT TIME, MY 1996 MERCEDES BENZ E320 BEGAN RUNNING ROUGH. I TOOK MY VEHICLE TO A REPUTABLE (MERCEDES BENZ ONLY) SHOP WHO REPLACED 2 COILS. ALTHOUGH THE VEHICLE RAN GOOD FOR A FEW DAYS, IT SOON BEGAN RUNNING ROUGH. A FOLLOW…
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UP UNTIL ABOUT 6 MONTHS AGO, THE ONLY PROBLEMS TO MY VEHICLE HAD BEEN DUE TO ROUTINE MAINTENANCE. ABOUT THAT TIME, MY 1996 MERCEDES BENZ E320 BEGAN RUNNING ROUGH. I TOOK MY VEHICLE TO A REPUTABLE (MERCEDES BENZ ONLY) SHOP WHO REPLACED 2 COILS. ALTHOUGH THE VEHICLE RAN GOOD FOR A FEW DAYS, IT SOON BEGAN RUNNING ROUGH. A FOLLOW UP VISIT LED C & G MERCEDES, IN HOUSTON, TEXAS, TO FIND THAT THE PROBLEM WAS RELATED TO IT'S WIRING HARNESS, THAT RESULTED FROM A COMMON PROBLEM TO THIS AND OTHER MODELS, DUE TO PREMATURE CORROSION OF THE INSULATION OF THE WIRES. FROM WHAT I UNDERSTAND THIS CAN CAUSE THE PROBLEMS I HAVE DESCRIBED AND CAN RESULTS IN FIRES TOO. I ALSO UNDERSTAND THAT THIS OCCURS IN 1990 -1996 MODELS. THE CORRECTION IS A $1,000.00 REPLACEMENT PART. *TR
NHTSA ODI #10259251
Mileage unknown · Jun 2, 2008
Electrical SystemFire
THE WIRING ON THE CAR IS DISINTEGRATING HARNESS WIRES EVERY WIRE WAS A GREAT CAR WIRING CAUSING VARIOUS PROBLEMS COST MORE TO FIX THEN ITS WORTH HELP ME! *TR
NHTSA ODI #10229494
150,550 miles · Oct 30, 2007
Electrical System
MY CAR SEEM NOT TO BE STARTING ALL THE TIME WHEN I TURN THE IGNITION KEY ON. MERCEDES SERVICE INFORMED ME THAT THE WIRE HARNESS NEEDS TO BE REPLACE AND THERE ARE BARE WIRE EXPOSED AND THIS COULD BE CAUSING THE PROBLEM. THE INFORMED ME THAT THE MATERIAL WAS MADE WITH BIODEGRADABLE MATERIAL AND THAT'S WHY THIS IS OCCURRED. I IN…
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MY CAR SEEM NOT TO BE STARTING ALL THE TIME WHEN I TURN THE IGNITION KEY ON. MERCEDES SERVICE INFORMED ME THAT THE WIRE HARNESS NEEDS TO BE REPLACE AND THERE ARE BARE WIRE EXPOSED AND THIS COULD BE CAUSING THE PROBLEM. THE INFORMED ME THAT THE MATERIAL WAS MADE WITH BIODEGRADABLE MATERIAL AND THAT'S WHY THIS IS OCCURRED. I INFORMED THE DEALER THAT THIS IS A SAFETY HAZARD AND SHOULD BE FIXED BY MERCEDES AS A CAMPAIGN RATHER THAN CHARGE THE OWNER 1,500 DOLLARS TO FIX. THE DEALER SAID TO NOT TOUCH THE WIRE HARNESS AND EVENTUALLY THE CAR WILL STOP RUNNING. THIS IS TOTALLY UNACCEPTABLE FOR A 50K PLUS CAR AND NOT TO HAVE THE MANUFACTURER TO STAND BEHIND THEIR POOR DESIGN. I AM REPORTING THIS BEFORE I HAVE A FAILURE WHICH COULD CAUSE AN ACCIDENT DUE TO ENGINE FAILURE AND BRAKE FAILURE DUE TO LACK OF POWER. *TR
NHTSA ODI #10207479
Mileage unknown · Jun 15, 2007
Electrical System
WIRING HARNESS DEFECT, NEEDS TO BE RECALLED AND REPLACED. *AK
NHTSA ODI #10193456
138,000 miles · Jul 19, 2006
Electrical SystemEquipment
I HAVE A 1996 E320 AND THE FIRST THING TO GO WAS THE CONDENSER FAN, WHEN YOU TURN THE AC ON ITS THE FANS THAT HELP KEEP YOUR CAR COOL, BUT THEN THAT WENT OUT AND MY CAR WOULD RUN HOT IF I CONSTANTLY RAN AC. THEN MY AC BLOWER JUST WENT OUT ONE DAY. THEN I TOOK IT TO A MERCEDES SPECIALIST AND HE NOTICED THAT THE WIRING HARNESS WA…
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I HAVE A 1996 E320 AND THE FIRST THING TO GO WAS THE CONDENSER FAN, WHEN YOU TURN THE AC ON ITS THE FANS THAT HELP KEEP YOUR CAR COOL, BUT THEN THAT WENT OUT AND MY CAR WOULD RUN HOT IF I CONSTANTLY RAN AC. THEN MY AC BLOWER JUST WENT OUT ONE DAY. THEN I TOOK IT TO A MERCEDES SPECIALIST AND HE NOTICED THAT THE WIRING HARNESS WAS FRAIL AND WORN. HE CALLED MY CAR A TIME BOMB AND SAID IT WOULD BE A MATTER OF TIME BEFORE IT DIED ON ME. BUT I THOUGHT THAT MERCEDES LAST A LONG TIME. AND THEN, ABOUT A MONTH LATER, MY CHECK ENGINE LIGHT CAME ON AND MY CAR BEGAN SHAKING FROM TIME TO TIME AND I LOST A LOT OF POWER TO IT. SOMETIMES I WOULD HAVE TO PULL OVER AND TURN THE CAR OFF AND THEN TURN IT BACK ON TO STOP THE SHAKING. HE ALSO SAID THAT IT WOULD COST ABOUT $1000 TO REPLACE AND THAT IT WAS A BAD DESIGN BY MERCEDES. AND LAST SATURDAY NIGHT ON MY WAY HOME, I GOT INTO MY CAR AND TRIED TO START IT, BUT NOTHING HAPPENED, I COULDN'T EVEN HEAR A CLICK AT ALL WHEN I TURNED THE KEY. I TRIED JUMP STARTING IT, AND STILL NOTHING, SO I ENDED UP HAVING TO TOW IT HOME. I CALLED THE MERCEDES SPECIALIST AGAIN AND TOLD HIM WHAT WAS WRONG AND ALL THE STEPS I TOOK, AND HE SAID MORE THAN LIKELY ITS THE WIRING HARNESS. SO NOW I HAVE A NICE LOOKING CAR JUST SITTING IN MY DRIVE WAY DOING NOTHING. POOLER, GA. *NM
NHTSA ODI #10162824
Mileage unknown · Dec 10, 2001
Air BagsElectrical System
UPON TAKING OWNERSHIP OF VEHICLE AIR BAG LIGHT ON THE INSTRUMENT PANEL WAS ILLUMINATED. DEALERSHIP CHANGED AN UNKNOWN COMPONENT, AND SINCE THEN HAS EXAMINED VEHICLE TWO MORE TIMES FOR SAME PROBLEM. CONSUMER HAS BEEN INFORMED THAT WIRING HARNESS HAD TO BE REPLACED IN ORDER TO CORRECT THE PROBLEM, AND WAS BEING CHARGED $2,5…
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UPON TAKING OWNERSHIP OF VEHICLE AIR BAG LIGHT ON THE INSTRUMENT PANEL WAS ILLUMINATED. DEALERSHIP CHANGED AN UNKNOWN COMPONENT, AND SINCE THEN HAS EXAMINED VEHICLE TWO MORE TIMES FOR SAME PROBLEM. CONSUMER HAS BEEN INFORMED THAT WIRING HARNESS HAD TO BE REPLACED IN ORDER TO CORRECT THE PROBLEM, AND WAS BEING CHARGED $2,500.00 FOR REPAIRS. PLEASE PROVIDE ANY ADDITIONAL INFORMATION / DOCUMENTATION.*AK
NHTSA ODI #6900615
NHTSA investigations
1PE07021 · Front Suspension Coil Spring Ejection
Opened Apr 19, 2007 · Closed Aug 9, 2007
Status: closed (inferred from source dates) · Suspension:front:springs:coil Springs
ODI HAS FOCUSED THIS INVESTIGATION ON ASSESSING THE RISKS POSED BY A SEPARATED SPRING AS (1) A ROAD HAZARD AND (2) THE POTENTIAL FOR VEHICLE CONTROL TO BE COMPROMISED AFTER THE FRONT COIL SPRING HAS BEEN EJECTED FROM ITS INTENDED POSITION IN THE VEHICLE.BOTH RISKS ARE ASSOCIATED WITH CORROSION, FLEXING, AND FRACTURE OF THE UPPER FRONT SUSPENSION MOUNTING BRACKET.TIME-IN-SERVICE FAILURE RATES ARE NOTABLY HIGHER IN SALT BELT STATES SINCE CORROSION IS A PRIMARY CONTRIBUTOR TO THE FAILURE MODE.SINCE A NUMBER OF INCIDENTS HAVE OCCURRED WHILE THE VEHICLE WAS BEING OPERATED, ODI IS SKEPTICAL THAT OWNERS CAN ALWAYS DETECT THE SUBTLE SIDE TO SIDE DIFFERENCE IN RIDE HEIGHT AND/OR INSPECT OR NOTICE THAT THE UPPER SUSPENSION BRACKET HAS BEEN COMPROMISED BY CORROSION.(1) ROAD HAZARD - ALTHOUGH THE (APPROX. 7 LB.) FRONT SUSPENSION SPRING THAT MAY BE EJECTED AT HIGHWAY SPEEDS COULD POSE A SERIOUS ROAD HAZARD TO PEDESTRIANS AND OTHER VEHICLES, THE OCCURRENCE RATE HAS BEEN LOW (.03% BASED ON 51 REPORTED INCIDENTS OCCURRING AND AN INITIAL POPULATION OF 172,781 VEHICLES AFTER 9 - 12 YEARS OF USE / EXPOSURE) AND THERE ARE NO KNOWN INJURIES, FATALITIES, OR PROPERTY DAMAGE REPORTS DUE TO AN EJECTED SPRING.ALSO, MANY OF THE 51 INCIDENTS OCCURRED AT LOW SPEED OR WHILE THE VEHICLE WAS STOPPED OR PARKED.(2) VEHICLE CONTROL - VEHICLE HANDLING AND CONTROL COULD BE AFFECTED BY THE FRACTURE OF THE UPPER SUSPENSION MOUNT AND/OR THE ASSOCIATED SPRING EJECTION.ODI FIRST IDENTIFIED ITS CONCERN ABOUT CORROSION IN THE UPPER SUSPENSION BRACKET OF SUBJECT VEHICLES IN 2002, AT WHICH TIME MERCEDES PROVIDED A VIDEO THAT SHOWED THAT A VEHICLE COULD BE STEERED, STOPPED, AND CONTROLLED THROUGH VARIOUS MANEUVERS AT HIGH SPEEDS WITH A FRONT COIL SPRING COMPLETELY MISSING FROM THE VEHICLE. DURING PE07-021, IN ADDITION TO REVIEWING THE 2002 VIDEO-TAPE, ODI ENGINEERS DROVE AN EXEMPLAR VEHICLE WITH THE SPRING REMOVED AND SIMULATED VARIOUS COMBINATIONS OF STEERING ANGLES TO ASSESS WHETHER THERE WERE ANY POSSIBLE CONDITIONS / DISPLACEMENTS IN WHICH THE SEPARATED SPRING MIGHT INTERFERE WITH THE WHEELS. IN A VEHICLE WITH THE FRONT SPRING REMOVED, THE TOP OF THE WHEEL CAN LIGHTLY CONTACT THE BOTTOM AREA OF THE WHEEL FENDER DURING HIGH ANGLE TURNS TYPICALLY ASSOCIATED WITH SLOWER SPEED MANEUVERS SUCH AS CITY DRIVING. THE LIGHT TIRE CONTACT GENERATED AN OBVIOUS GRINDING NOISE AND WOULD LIKELY ABRADE OR BEND THE EDGE OF THE FENDER WITH CONTINUED USE.HOWEVER, THE EXTENT OF THE INTERFERENCE WAS NOT SUFFICIENT TO AFFECT VEHICLE STEERING AND DOES NOT OCCUR AT SMALLER TURNING ANGLES ASSOCIATED WITH HIGHWAY DRIVING.ODI HAS NOT IDENTIFIED A SAFETY RELATED DEFECT TREND AT THIS TIME.FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING THAT A SAFETY RELATED DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF FUTURE CIRCUMSTANCES WARRANT.