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1994 Mercedes Benz E Class

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

30 reports with mileage · 8 unknown

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 31 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Suspension. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports5 fire reports1 injury reports

What owners actually said

38 reports
122,000 miles · Jan 15, 2007
Electrical System

CHECK ENGINE LIGHT CAME ON AND WE WERE ALMOST HIT BY OTHER CARS WHEN TRYING TO QUICKLY EXIT BUSY FREEWAY. TOOK CAR TO MERCEDES MECHANIC AND HE SAID THE CAR NEEDED A NEW $600.00 ENGINE HARNESS. WE ASKED IF THIS IS A RARE PROBLEM AND HE SAID ALL 1993 AND 1994 E420 MERCEDES NEED THE HARNESS AT ABOUT 100 THOUSAND MILES AND THEY USED…

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CHECK ENGINE LIGHT CAME ON AND WE WERE ALMOST HIT BY OTHER CARS WHEN TRYING TO QUICKLY EXIT BUSY FREEWAY. TOOK CAR TO MERCEDES MECHANIC AND HE SAID THE CAR NEEDED A NEW $600.00 ENGINE HARNESS. WE ASKED IF THIS IS A RARE PROBLEM AND HE SAID ALL 1993 AND 1994 E420 MERCEDES NEED THE HARNESS AT ABOUT 100 THOUSAND MILES AND THEY USED A BIODEGRADEABLE COVER ON THE HARNESS AND IT FAILS FROM ENGINE HEAT. HE ALSO SAID IF WE DON'T REPLACE IT, THE ENGINE WILL STOP WHEN DRIVING, AND COULD CAUSE AN ACCIDENT. THIS IS A WELL KNOWN PROBLEM WITH ALL MERCEDES MECHANICS. THESE CARS NEED TO BE RECALLED!!!! *NM

NHTSA ODI #10178717

200,000 miles · Jan 4, 2007
Steering

TL* - THE CONTACT STATED THAT WHILE DRIVING AT 15 MPH THE CONNECTION AT THE BOTTOM OF THE STEERING COLUMN CAME LOOSE, CAUSING THE BODY OF THE VEHICLE TO DROP TO THE GROUND. THE CONTACT STATED THAT THE TOWING COMPANY HAD DIFFICULTIES ON TOWING THE VEHICLE. THE TOW COMPANY HAD TO USE A HYDRAULIC JACK TO KEEP THE RACK AND PINION…

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TL* - THE CONTACT STATED THAT WHILE DRIVING AT 15 MPH THE CONNECTION AT THE BOTTOM OF THE STEERING COLUMN CAME LOOSE, CAUSING THE BODY OF THE VEHICLE TO DROP TO THE GROUND. THE CONTACT STATED THAT THE TOWING COMPANY HAD DIFFICULTIES ON TOWING THE VEHICLE. THE TOW COMPANY HAD TO USE A HYDRAULIC JACK TO KEEP THE RACK AND PINION FROM DRAGGING ON THE GROUND. *AK UPDATED 03/19/07. *JB

NHTSA ODI #10177736

144,727 miles · Nov 1, 2006
Electrical System

HI, I HAVE A 1994 MERCEDES BENZ E320 COUPE. I WAS IN THE SEARCH OF REPAIR ON MY RADIO PROBLEM,THEN I FOUND OUT FROM THE OTHER OWNERS THAT THEY HAVE THIS ENGINE WIRING HARNESS PROBLEM WITH THEIR MERCEDES. I CHECKED THE WIRING HARNESS WITH THEIR RECOMMENDATION ON MY CAR, I FOUND THAT THE SAME PROBLEM JUST LIKE THE OTHER OWNER SAY…

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HI, I HAVE A 1994 MERCEDES BENZ E320 COUPE. I WAS IN THE SEARCH OF REPAIR ON MY RADIO PROBLEM,THEN I FOUND OUT FROM THE OTHER OWNERS THAT THEY HAVE THIS ENGINE WIRING HARNESS PROBLEM WITH THEIR MERCEDES. I CHECKED THE WIRING HARNESS WITH THEIR RECOMMENDATION ON MY CAR, I FOUND THAT THE SAME PROBLEM JUST LIKE THE OTHER OWNER SAY, A LOT OF CRACK ON THE WIRES. I AM NOW AFRAID TO DRIVE MY CAR, BECAUSE OTHER OWNERS DESCRIBE THAT IT MAY CAUSE THE ENGINE TO CAUGHT ON FIRE, SUDDENLY LOST POWER, SHORT OUT THE COMPUTER UNIT ON THE VEHICLE. MERCEDES HAVE NOT DO A RECALL ON THIS ENGINE WIRING HARNESS PROBLEM, EVEN THOUGH HUNDREDS OF OWNERS HAVE FILED THE COMPLAINT. PLEASE LET ME KNOW IF THERE'S ANYTHING THAT YOUR PEOPLE CAN HELP. I JUST NOT DRIVING MY CAR NOW, THE SHOP WANT ABOUT $1000.00 TO REPLACE THE WIRING HARNESS, THAT'S SOME THING YOU DON'T EXPECT WHEN YOU PURCHASE A USE CAR. THANKS... *NM

NHTSA ODI #10172413

102,000 miles · Oct 30, 2006
Electrical SystemEngine And Engine Cooling

DT*: THE CONTACT STATED UPON STARTING THE VEHICLE IN THE MORNING, THE ENGINE MADE A LOUD NOISE AND THE ENGINE WARNING LIGHT ILLUMINATED. ALSO, WHILE DRIVING 65 MPH ON NORMAL ROAD CONDITIONS, THE ENGINE WARNING LIGHT ILLUMINATED AGAIN AND STALLED. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THE DIAGNOSIS SCANNER INDICATED A W…

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DT*: THE CONTACT STATED UPON STARTING THE VEHICLE IN THE MORNING, THE ENGINE MADE A LOUD NOISE AND THE ENGINE WARNING LIGHT ILLUMINATED. ALSO, WHILE DRIVING 65 MPH ON NORMAL ROAD CONDITIONS, THE ENGINE WARNING LIGHT ILLUMINATED AGAIN AND STALLED. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THE DIAGNOSIS SCANNER INDICATED A WIRING PROBLEM. THERE WAS A NHTSA RECALL # 95V031000 REGARDING ELECTRICAL SYSTEM:WIRING. THE MANUFACTURER WAS CONTACTED BUT THE REPRESENTATIVE INDICATED THE VEHICLE WAS OUT OF WARRANTY AND WAS NOT INCLUDED IN THE RECALL DUE TO THE VIN. THE CONTACT WAS SUGGESTED TO MAKE A COMPLAINT WITH THE NHTSA.

NHTSA ODI #10172162

135,000 miles · Sep 30, 2006
Electrical System

MY 1994 MERCEDES E420 WAS NOT STARTING PROPERLY (ASR LIGHT COMING ON, ON SEVERAL OCCASIONS). TOOK IT TO MECHANIC WHO NOTICED ELECTRIC TAPE ON SOME CONNECTIONS, THEN LATER FOUND OUT WHY. THE WIRING HARNESS HAD DETERIORATED IN MULTIPLE PLACES. I WAS LEFT STRANDED AT A MEETING IN THE POURING RAIN AND COULD NOT GET BACK TO THE HOSPI…

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MY 1994 MERCEDES E420 WAS NOT STARTING PROPERLY (ASR LIGHT COMING ON, ON SEVERAL OCCASIONS). TOOK IT TO MECHANIC WHO NOTICED ELECTRIC TAPE ON SOME CONNECTIONS, THEN LATER FOUND OUT WHY. THE WIRING HARNESS HAD DETERIORATED IN MULTIPLE PLACES. I WAS LEFT STRANDED AT A MEETING IN THE POURING RAIN AND COULD NOT GET BACK TO THE HOSPITAL ONE EVENING. *JB

NHTSA ODI #10169654

125,000 miles · May 29, 2006
Electrical System

MB USA REFUSES TO REPLACE FAULTY WIRING HARNESS, THIS IS A KNOW ISSUE. DISINTEGRATES WITH AGE DO TO USE OF SUB-STANDARD HARNESS COVERS. *NM

NHTSA ODI #10158491

100,000 miles · May 2, 2006
Electrical System

ENGINE WIRING LOOM HAS DISINTEGRATED CAUSING ELECTRICAL SHORT CIRCUITS IN THE FUEL SYSTEM AND ENGINE MANAGEMENT SYSTEM. THIS SEEMS TO BE A COMMON CONCERN ON THE MERCEDES BENZ 300 FROM 1993 THROUGH 1995. *JB

NHTSA ODI #10156597

64,500 miles · Apr 25, 2006
Electrical System

MY MECHANIC NOTICED THAT THE UPPER WIRING HARNESS WAS DETERIORATING BADLY AND THE INSULATION HAD DISINTEGRATED COMPLETELY , EXPOSING BARE WIRE AT NUMEROUS SPOTS. I HAD THIS WIRING HARNESS REPLACED BECAUSE IT COULD HAVE LED TO EXPENSIVE DAMAGE TO ELECTRONIC PARTS AND / OR A DANGEROUS SITUATION ON THE FREEWAY. *NM

NHTSA ODI #10156025

108,000 miles · Apr 22, 2006
Electrical SystemEngine And Engine Cooling

I NEED A NEW HEAD GASKET TO REPAIR AN OIL LEAK. MY MECHANIC TOLD ME THAT IN THE PROCESS OF GETTING TO THE OIL LEAK HE HAD TO TAKE OFF THE WIRING HARNESS UPON WHICH THE HARNESS DISINTEGRATED IN HIS HAND. I AM VERY CONCERNED THE MB WOULD YOU BIODEGRADABLE MATERIAL TO MANUFACTURER AN IMPORTANT PART OF THE VEHICLE. THE REPLACEMEN…

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I NEED A NEW HEAD GASKET TO REPAIR AN OIL LEAK. MY MECHANIC TOLD ME THAT IN THE PROCESS OF GETTING TO THE OIL LEAK HE HAD TO TAKE OFF THE WIRING HARNESS UPON WHICH THE HARNESS DISINTEGRATED IN HIS HAND. I AM VERY CONCERNED THE MB WOULD YOU BIODEGRADABLE MATERIAL TO MANUFACTURER AN IMPORTANT PART OF THE VEHICLE. THE REPLACEMENT PART IS $1,000 AND NEEDS TO BE DONE NOW SINCE THE REPAIRING THE EXISTING HARNESS COULD CAUSE A FIRE. *JB

NHTSA ODI #10155874

170,000 miles · Nov 24, 2005
Electrical System

THE MATERIAL AROUND THE ENGINE WIRING HARNESS DEGRADED TO THE POINT WHERE IT WAS NO LONGER PROTECTING THE WIRING ITSELF CAUSING IT TO MELT AND DAMAGE THE WIRES INSIDE. THIS LED TO THE CAR ONLY RUNNING ON 5 OUT OF 6 CYLINDERS INTERMITTENTLY AS WELL AS OTHER ELECTRICAL ISSUES. I HAVE HEARD MANY OTHER CASES OF THIS HAPPENING AMONG …

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THE MATERIAL AROUND THE ENGINE WIRING HARNESS DEGRADED TO THE POINT WHERE IT WAS NO LONGER PROTECTING THE WIRING ITSELF CAUSING IT TO MELT AND DAMAGE THE WIRES INSIDE. THIS LED TO THE CAR ONLY RUNNING ON 5 OUT OF 6 CYLINDERS INTERMITTENTLY AS WELL AS OTHER ELECTRICAL ISSUES. I HAVE HEARD MANY OTHER CASES OF THIS HAPPENING AMONG OTHER OWNERS OF THESE VEHICLES AND MANY HAVE FILED COMPLAINTS. THE P[ARTS WERE REPLACED OUT OF MY POCKET. THIS IS AN ISSUE THAT MB USA NEEDS TO ADDRESS INSTEAD OF TELLING OWNERS THEY HAVE NEVER HEARD THIS COMPLAINT BEFORE. I DO NOT KNOW THE EXACT DATE OF THE FAILURE AS IT HAPPENED MULTIPLE TIMES BEFORE BEING PROPERLY DIAGNOSED AND IT WAS APPROXIMATELY A LITTLE MORE THAN A YEAR AGO, I ALSO DO NOT REMEMBER THE DATE BECAUSE I JUST RECENTLY FOUND THIS WEBSITE AND THE PROBLEM OCCURRED A WHILE AGO. *JB

NHTSA ODI #10143626

Official recalls

1

95V031000 · Electrical System:wiring

Feb 21, 1995

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

0

No exact-year investigations in this snapshot.