https://plaincars.com/make/mercedes-benz-400e New NHTSA complaints and recalls filed for the Mercedes-Benz 400e. en-us Mon, 21 Sep 2026 03:56:01 GMT https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-1270413 Thu, 24 Mar 2016 00:00:00 GMT PARKED THE VEHICLE AND PLACED IT IN PARK THEN TURNED IGNITION OFF. BURNING SMELL COMING FROM VEHICLE THEN SMOKE STARTED GOING IN THROUGH VENTS AND SEEMED LIKED IT WAS COMING FROM UNDER THE CAR. THE ELECTRICAL WIRING HARNESS IS CREATING MASS AND THE CAR NEARLY WENT UP IN FLAMES. THE FIRE DEPARTMENT ARRIVED AND WERENT ABLE TO PUT OUT THE SMOKE AS THE SOURCE OF IT WAS NOT IMMEDIATLY DETERMINED. I AM https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-1270414 Thu, 24 Mar 2016 00:00:00 GMT PARKED THE VEHICLE AND PLACED IT IN PARK THEN TURNED IGNITION OFF. BURNING SMELL COMING FROM VEHICLE THEN SMOKE STARTED GOING IN THROUGH VENTS AND SEEMED LIKED IT WAS COMING FROM UNDER THE CAR. THE ELECTRICAL WIRING HARNESS IS CREATING MASS AND THE CAR NEARLY WENT UP IN FLAMES. THE FIRE DEPARTMENT ARRIVED AND WERENT ABLE TO PUT OUT THE SMOKE AS THE SOURCE OF IT WAS NOT IMMEDIATLY DETERMINED. I AM https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-1270415 Thu, 24 Mar 2016 00:00:00 GMT PARKED THE VEHICLE AND PLACED IT IN PARK THEN TURNED IGNITION OFF. BURNING SMELL COMING FROM VEHICLE THEN SMOKE STARTED GOING IN THROUGH VENTS AND SEEMED LIKED IT WAS COMING FROM UNDER THE CAR. THE ELECTRICAL WIRING HARNESS IS CREATING MASS AND THE CAR NEARLY WENT UP IN FLAMES. THE FIRE DEPARTMENT ARRIVED AND WERENT ABLE TO PUT OUT THE SMOKE AS THE SOURCE OF IT WAS NOT IMMEDIATLY DETERMINED. I AM https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-1162567 Wed, 04 Mar 2015 00:00:00 GMT THE FUEL INJECTION ENGINE HARNESS WIRING HAS COMPLETELY DETERIORATED DUE TO THE USE OF A BIO DEGRADABLE MATERIAL BY MERCEDES BENZ. HAS RESULTED IN A LOT OF SHORTING ISSUES, WHICH RESULTED IN AIR CONDITIONING TURNING OFF, FAN CONTROL OFF, ENGINE HEATING UP, BLUE AND BLACK SMOKE, AND NOW SMOG FAILURE. THIS IS A KNOWN PROBLEM TO MERCEDES AND THEY NEED TO FIX IT. I HAVE HAD OVER $4000 REPAIRS AND ST https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-1094304 Mon, 04 Aug 2014 00:00:00 GMT WIRING CAUGHT FIRE DUE TO FAULTY WIRING HARNESS INSULATION, WHICH IS WELL DOCUMENTED. YET, MERCEDES REFUSES TO RESOLVE/RECALL THIS ISSUE. WIRING HARNESS NEEDS TO BE REPLACED. *TR https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-1077495 Thu, 19 Jun 2014 00:00:00 GMT THE CHECK ENGINE LIGHT CAME ON AND BEFORE I COULD PULL OVER THERE WAS SMOKE COMING FROM UNDER THE HOOD. WHEN I OPENED THE HOOD THE AIR CLEANER ASSEMBLY WAS MELTED THROUGH AND SOME FLAME WAS STILL GLOWING IN THE DRIVER SIDE AIR FILTER. THE UPPER ENGINE WIRING HARNESS WAS CHARRED ALONG THE DRIVER SIDE AND THE CONNECTOR TO THE CAM ACTUATOR HAD DISINTEGRATED. AFTER GETTING THE CAR TOWED HOME I FOLL https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-1077496 Thu, 19 Jun 2014 00:00:00 GMT THE CHECK ENGINE LIGHT CAME ON AND BEFORE I COULD PULL OVER THERE WAS SMOKE COMING FROM UNDER THE HOOD. WHEN I OPENED THE HOOD THE AIR CLEANER ASSEMBLY WAS MELTED THROUGH AND SOME FLAME WAS STILL GLOWING IN THE DRIVER SIDE AIR FILTER. THE UPPER ENGINE WIRING HARNESS WAS CHARRED ALONG THE DRIVER SIDE AND THE CONNECTOR TO THE CAM ACTUATOR HAD DISINTEGRATED. AFTER GETTING THE CAR TOWED HOME I FOLL https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-1043444 Thu, 06 Mar 2014 00:00:00 GMT 1992 MERCEDES BENZ 400E. CONSUMER WRITES IN REGARDS TO SEVERAL RECALL NOTICES RENDERED VEHICLE USELESS. *SMD MERCEDES BENZ WROTE TO THE CONSUMER, STATING THERE WERE NO OUTSTANDING RECALL CAMPAIGNS ON THE VEHICLE. THE CONSUMER REFERENCED RECALL NUMBERS, 92V083000 AND 94V004000. *JB https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-1043445 Thu, 06 Mar 2014 00:00:00 GMT 1992 MERCEDES BENZ 400E. CONSUMER WRITES IN REGARDS TO SEVERAL RECALL NOTICES RENDERED VEHICLE USELESS. *SMD MERCEDES BENZ WROTE TO THE CONSUMER, STATING THERE WERE NO OUTSTANDING RECALL CAMPAIGNS ON THE VEHICLE. THE CONSUMER REFERENCED RECALL NUMBERS, 92V083000 AND 94V004000. *JB https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-949048 Mon, 12 Nov 2012 00:00:00 GMT FAULTY WIRING IN ENGINE HARNESS RESULTED IN LOSS OF POWER AT SPEED ON A MAJOR INTERSTATE, LUCKILY AT THE TIME I WAS ABLE TO GET OFF THE ROAD SAFELY. IT WAS DETERMINED THAT THE CAR'S CHARGING SYSTEM HAD BEEN SHORTED OUT. STILL WAITING ON OTHER SYSTEM TESTS. THIS IS A KNOWN PROBLEM WITH CERTAIN MERCEDES. WHY ISN'T ANYTHING BEING DONE ABOUT THIS? *TR https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-949049 Mon, 12 Nov 2012 00:00:00 GMT FAULTY WIRING IN ENGINE HARNESS RESULTED IN LOSS OF POWER AT SPEED ON A MAJOR INTERSTATE, LUCKILY AT THE TIME I WAS ABLE TO GET OFF THE ROAD SAFELY. IT WAS DETERMINED THAT THE CAR'S CHARGING SYSTEM HAD BEEN SHORTED OUT. STILL WAITING ON OTHER SYSTEM TESTS. THIS IS A KNOWN PROBLEM WITH CERTAIN MERCEDES. WHY ISN'T ANYTHING BEING DONE ABOUT THIS? *TR https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-949050 Mon, 12 Nov 2012 00:00:00 GMT FAULTY WIRING IN ENGINE HARNESS RESULTED IN LOSS OF POWER AT SPEED ON A MAJOR INTERSTATE, LUCKILY AT THE TIME I WAS ABLE TO GET OFF THE ROAD SAFELY. IT WAS DETERMINED THAT THE CAR'S CHARGING SYSTEM HAD BEEN SHORTED OUT. STILL WAITING ON OTHER SYSTEM TESTS. THIS IS A KNOWN PROBLEM WITH CERTAIN MERCEDES. WHY ISN'T ANYTHING BEING DONE ABOUT THIS? *TR https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-762253 Sat, 13 Feb 2010 00:00:00 GMT I OWN A 1993 400E MERCEDES. RECENTLY IT HAS HAD MAJOR DIFFICULTY TURNING OVER. I TOOK IT TO MY LOCAL MERCEDES BENZ REPAIR SHOP. THEY TOLD ME IT THE ENGINE HARNESS HAS GONE BAD AND NEEDS TO BE REPLACED COMPLETELY. EVIDENTLY THIS IS A VERY COMMON PROBLEM WITH THIS VEHICLE AS MERCEDES USED SUB-STANDARD MATERIALS WHEN BUILDING THE WIRING HARNESS. THIS CAUSES MAJOR SAFETY ISSUES AND I BELIEVE MERCEDES https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-706621 Mon, 02 Feb 2009 00:00:00 GMT WIRING HARNESS ON MERCEDES BENZ 400E FAILED AND ENTERED A LOW POWER BACKUP MODE ON THE HIGHWAY FAR AWAY FROM OUR RESIDENCE. WIRING HARNESS IS CHARRED AND HARNESS SHORTED OUT ON ENGINE. *TR https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-694623 Fri, 31 Oct 2008 00:00:00 GMT 1992 MERCEDES BENZ 400E. I AM CONCERNED ABOUT THE SAFETY OF THE WIRING HARNESS ON THIS VEHICLE. INSULATION ON WIRES IS CRACKING AND PEELING OFF EXPOSING WIRES TO OTHER WIRES AND THE ENGINE. I AM CONCERNED ABOUT THIS CAUSING A FIRE. I AM AWARE THAT THIS IS COMMON TO THIS MODEL BECAUSE OF THE COMPOSITION OF THE INSULATION MATERIAL. I DO NOT WANT INJURY TO MYSELF OR OTHERS WHILE DRIVING https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-692111 Mon, 13 Oct 2008 00:00:00 GMT MB WIRING HARNESS FAILURE 1992 400SE. *TR https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-681281 Sat, 02 Aug 2008 00:00:00 GMT MERCEDES 400 E HAS A TERRIBLE WIRE HARNESS DRY ROTTED FROM TEMPERATURE FROM ENGINE. *TR https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-677403 Wed, 09 Jul 2008 00:00:00 GMT THE ENGINE / FUEL INJECTION WIRING HARNESS OF MY 1992 MERCEDES-BENZ 400E (145,000 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. *TR https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-674561 Wed, 18 Jun 2008 00:00:00 GMT I HAVE A MERCEDES BENZ 400E AND THE WIRING HARNESS EVENTUALLY WITHERED AND DETERIORATED DUE TO FAULTY MANUFACTURING. *TR https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-673525 Wed, 11 Jun 2008 00:00:00 GMT 1992 MERCEDES-BENZ 400E WIRING HARNESS MULTIPLE FAILURES. REPLACED ENGINE WIRING HARNESS SHORTLY AFTER I PURCHASED THIS CAR (USED) IN 2005 DUE TO DETERIORATION OF INSULATION FROM THE WIRES. I WAS TOLD AT THE TIME THAT THIS IS A COMMON PROBLEM WITH THIS ERA OF MB DUE TO SOME PLANNED OBSOLESCENCE OR TARGETED SELF-DESTRUCTION BY THE MANUFACTURER. TODAY I AM TOLD THAT I NEED TO REPLACE THE WIRI https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-663096 Wed, 26 Mar 2008 00:00:00 GMT THE WIRING HARNESS ON MY 1992 400E HAS DISINTEGRATED, AS I'VE READ TO BE COMMON OF THE MERCEDES OF THE EARLY 1990'S. MY CAR SHUDDERS DRAMATICALLY WHEN IDLING, AND ALTERNATES BETWEEN PERIODS OF SLOW/NO ACCELERATION TO UNEXPECTED LURCHING FORWARD. *TR https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-642749 Fri, 19 Oct 2007 00:00:00 GMT 1992 MERCEDES E 400 MAIN ENGINE WIRING HARNESS FAILURE. HARNESS FRIED DUE TO POOR WIRING INSULATION. I OWN TWO MERCEDES AND BOTH ARE FOR SALE. WILL NEVER BUY A CAR FROM MERCEDES EVER AGAIN. TOO MUCH MONEY AND TOO MANT PROBLEMS. https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-628251 Mon, 25 Jun 2007 00:00:00 GMT AUTOMOBILE REPAIR SHOP SHOWED ME THE PROBLEM WITH THE WIRING HARNESS. THE WIRING HARNESS WIRES WERE FRIED AND BECAME BRITTLE.*AK https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-621190 Fri, 20 Apr 2007 00:00:00 GMT TL*THE CONTACT OWNS A 1992 MERCEDES BENZ 400E. WHILE DRIVING 35 MPH THE VEHICLE SHUT OFF ON THE HIGHWAY. HE RESTARTED THE VEHICLE AND DEPRESSED THE ACCELERATOR PEDAL, CAUSING THE VEHICLE TO IDLE. THE DEALER STATED THAT THE VEHICLE NEEDED A NEW WIRING HARNESS, AND AN AIT TEMP SENSOR. THE DEALER STATED THAT THE BEARING HARNESS WAS DEFECTED AND METAL WAS VISIBLE. THE WIRES INSIDE WERE DETERIORAT https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-609208 Wed, 10 Jan 2007 00:00:00 GMT THE WIRE HARNESS IS CRACKED AND ROTTEN. THE MOTOR DOES NOT RUN RIGHT. IT STALLS AND CUTS OUT. THE MECHANIC SAYS TO JUST GIVE HIM $1000.00 FOR A TEMP. FIX DUE TO THE MATERIALS USED IN THE REPLACEMENT HARNESS. *JB https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-607284 Fri, 22 Dec 2006 00:00:00 GMT TL* - THE CONTACT'S 1993 MERCEDES BENZ, 400E WITH THE CRUISE CONTROL SET INCREASED THE VEHICLE INCREASED SPEED. THE CONTACT IMMEDIATELY DROVE THE VEHICLE OFF THE HIGHWAY, THE VEHICLE WOULD NOT RESTART. THE CONTACT'S CAR WAS TOWED TO THE REPAIR SHOP. THE MECHANIC EXPLAINED THE FOLLOWING DETAILS TO THE CONTACT: THE AIR CLEANER WAS REMOVED WHICH INDICATED THE WIRING WAS DESTROYED AND THAT THIS IS T https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-607180 Thu, 21 Dec 2006 00:00:00 GMT DRIVING ON RT 101. SUDDENLY COULD NOT CONTROL ACCELERATION. NEARLY HAD AN ACCIDENT FORCING ANOTHER CAR OFF THE ROAD. TOOK THE CAR TO GERMAN MOTORS-MERCEDES REPAIR AND THEY INDICATED THAT THE ENGINE WIRING HARNESS WAS FALLING APART AND THAT THIS WAS A COMMON PROBLEM FOR THIS MODEL CAR. *NM https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-601550 Wed, 01 Nov 2006 00:00:00 GMT FAILED NEW JERSEY DMV INSPECTION CAUSED BY ENGINE RUNNING ABNORMALLY ROUGH AND LIT "CHECK ENGINE LIGHT" , FALSE LOW OIL PRESSURE SIGNAL, VARIOUS ELECTRICAL FUNCTIONS IN CAR EITHER INOPERABLE OR INTERMITTENTLY WORKING. CAUSE WAS DEFECTIVE WIRING HARNESS. DIAGNOSED AND REPAIRED BY SERVICE SHOP AT MERCEDES BENZ DEALER. *NM https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-595526 Sat, 09 Sep 2006 00:00:00 GMT THE ENGINE WIRING HARNESS IN MY 1992 MERCEDES 400E HAS DETERIORATED AND IS CAUSING SHORTS THROUGHOUT THE CAR. THE GAUGES DO NOT WORK AND THE THROTTLE BODY IS FAILING. I HAVE HAD THE CAR TOWED TWICE BECAUSE OF THIS AND THE REPAIR IS IN THE THOUSANDS OF DOLLARS. THIS SHOULD BE A RECALL AND REPLACED DUE TO THE SAFETY HAZARD. MY CAR STALLED IN THE MIDDLE OF THE ROAD. *JB https://plaincars.com/make/mercedes-benz-400e https://plaincars.com/make/mercedes-benz-400e#complaint-593864 Thu, 24 Aug 2006 00:00:00 GMT I WAS DRIVING 80 GOING ON HIGHWAY 696 WHEN THE CAR SUDDENLY DIED. I WAS IN THE LEFT LANE OF A 3 LANE FREEWAY. I HAD ENOUGH TIME TO GET ONTO THE RIGHT SIDE ALONG WITH A FEW ANGRY DRIVERS. IT APPEARS THE WIRE HARNESS WAS TOAST. IT SHORT CIRCUITED AND FRIED THE LH MODULE THAT CONTROLS THE ENGINE. *JB