https://plaincars.com/make/mercedes-benz-s420 New NHTSA complaints and recalls filed for the Mercedes-Benz S420. en-us Sun, 18 Oct 2026 06:13:10 GMT https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1689653 Thu, 03 Sep 2020 00:00:00 GMT TL* THE CONTACT OWNS A 1999 MERCEDES BENZ S420. THE CONTACT STATED THAT WHILE ATTEMPTING TO EXIT THE VEHICLE, THE ELECTRICAL AND VACUUM SYSTEM BECAME INOPERABLE AND HE WAS UNABLE TO OPEN THE DOORS. THE CONTACT STATED THAT HE WAS LOCKED INSIDE THE VEHICLE AND WAS NOT ABLE TO EXIT THE VEHICLE. THE CONTACT STATED THAT HE EXITED THE VEHICLE THROUGH THE PASSENGER'S SIDE WINDOW. THE VEHICLE WAS TAKEN TO https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1689654 Thu, 03 Sep 2020 00:00:00 GMT TL* THE CONTACT OWNS A 1999 MERCEDES BENZ S420. THE CONTACT STATED THAT WHILE ATTEMPTING TO EXIT THE VEHICLE, THE ELECTRICAL AND VACUUM SYSTEM BECAME INOPERABLE AND HE WAS UNABLE TO OPEN THE DOORS. THE CONTACT STATED THAT HE WAS LOCKED INSIDE THE VEHICLE AND WAS NOT ABLE TO EXIT THE VEHICLE. THE CONTACT STATED THAT HE EXITED THE VEHICLE THROUGH THE PASSENGER'S SIDE WINDOW. THE VEHICLE WAS TAKEN TO https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1582775 Wed, 10 Jul 2019 00:00:00 GMT TL* THE CONTACT OWNS A 1996 MERCEDES-BENZ S420. WHILE DRIVING 70 MPH, THE SRS, VSR, TIRE AND OTHER UNKNOWN INDICATORS ILLUMINATED. THE CONTACT COASTED THE VEHICLE TO THE SIDE OF THE ROAD AND POWERED OFF THE ENGINE. THE VEHICLE WAS RESTARTED AND WAS ABLE TO DRIVE NORMALLY. WHILE DRIVING DOWN THE ROAD, THE FAILURES RECURRED A FEW TIMES. THE CONTACT CALLED AAA AND THE VEHICLE WAS TOWED TO THE CONTACT https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1582776 Wed, 10 Jul 2019 00:00:00 GMT TL* THE CONTACT OWNS A 1996 MERCEDES-BENZ S420. WHILE DRIVING 70 MPH, THE SRS, VSR, TIRE AND OTHER UNKNOWN INDICATORS ILLUMINATED. THE CONTACT COASTED THE VEHICLE TO THE SIDE OF THE ROAD AND POWERED OFF THE ENGINE. THE VEHICLE WAS RESTARTED AND WAS ABLE TO DRIVE NORMALLY. WHILE DRIVING DOWN THE ROAD, THE FAILURES RECURRED A FEW TIMES. THE CONTACT CALLED AAA AND THE VEHICLE WAS TOWED TO THE CONTACT https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1582777 Wed, 10 Jul 2019 00:00:00 GMT TL* THE CONTACT OWNS A 1996 MERCEDES-BENZ S420. WHILE DRIVING 70 MPH, THE SRS, VSR, TIRE AND OTHER UNKNOWN INDICATORS ILLUMINATED. THE CONTACT COASTED THE VEHICLE TO THE SIDE OF THE ROAD AND POWERED OFF THE ENGINE. THE VEHICLE WAS RESTARTED AND WAS ABLE TO DRIVE NORMALLY. WHILE DRIVING DOWN THE ROAD, THE FAILURES RECURRED A FEW TIMES. THE CONTACT CALLED AAA AND THE VEHICLE WAS TOWED TO THE CONTACT https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1582778 Wed, 10 Jul 2019 00:00:00 GMT TL* THE CONTACT OWNS A 1996 MERCEDES-BENZ S420. WHILE DRIVING 70 MPH, THE SRS, VSR, TIRE AND OTHER UNKNOWN INDICATORS ILLUMINATED. THE CONTACT COASTED THE VEHICLE TO THE SIDE OF THE ROAD AND POWERED OFF THE ENGINE. THE VEHICLE WAS RESTARTED AND WAS ABLE TO DRIVE NORMALLY. WHILE DRIVING DOWN THE ROAD, THE FAILURES RECURRED A FEW TIMES. THE CONTACT CALLED AAA AND THE VEHICLE WAS TOWED TO THE CONTACT https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1404783 Thu, 31 Aug 2017 00:00:00 GMT THE AREA THAT HOLDS THE BRAKE LIGHTS KEEPS MELTING I HAVE REPLACED THEM TWICE , SEAT BELTS LAG AND DOT WORK I HAVE HAD SEVERAL PROBLEMS WITH STABILIZATION https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1404784 Thu, 31 Aug 2017 00:00:00 GMT THE AREA THAT HOLDS THE BRAKE LIGHTS KEEPS MELTING I HAVE REPLACED THEM TWICE , SEAT BELTS LAG AND DOT WORK I HAVE HAD SEVERAL PROBLEMS WITH STABILIZATION https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1404785 Thu, 31 Aug 2017 00:00:00 GMT THE AREA THAT HOLDS THE BRAKE LIGHTS KEEPS MELTING I HAVE REPLACED THEM TWICE , SEAT BELTS LAG AND DOT WORK I HAVE HAD SEVERAL PROBLEMS WITH STABILIZATION https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1352360 Mon, 30 Jan 2017 00:00:00 GMT ELECTRICAL WIRING HARNESS USING SOY BASED INSULATION DEGRADES THEREBY ALLOWING WIRES TO SPONTANEOUS AND/ OR INTERMITTENT SHORTS. THIS HAS CAUSED EXTREMELY DANGEROUS DRIVING SITUATIONS. VERY DIFFICULT TO TROUBLESHOOT UNLESS AND UNTIL ONE DISCOVERS INSULATION FAILURE. THIS HAS BEEN AND IS WIDELY KNOWN TO BE A PROBLEM WITH THIS ERA OF CARS. EXTREMELY BAD ENGINEERING DECISIONS WERE MADE. VERY SE https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1352361 Mon, 30 Jan 2017 00:00:00 GMT ELECTRICAL WIRING HARNESS USING SOY BASED INSULATION DEGRADES THEREBY ALLOWING WIRES TO SPONTANEOUS AND/ OR INTERMITTENT SHORTS. THIS HAS CAUSED EXTREMELY DANGEROUS DRIVING SITUATIONS. VERY DIFFICULT TO TROUBLESHOOT UNLESS AND UNTIL ONE DISCOVERS INSULATION FAILURE. THIS HAS BEEN AND IS WIDELY KNOWN TO BE A PROBLEM WITH THIS ERA OF CARS. EXTREMELY BAD ENGINEERING DECISIONS WERE MADE. VERY SE https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1352362 Mon, 30 Jan 2017 00:00:00 GMT ELECTRICAL WIRING HARNESS USING SOY BASED INSULATION DEGRADES THEREBY ALLOWING WIRES TO SPONTANEOUS AND/ OR INTERMITTENT SHORTS. THIS HAS CAUSED EXTREMELY DANGEROUS DRIVING SITUATIONS. VERY DIFFICULT TO TROUBLESHOOT UNLESS AND UNTIL ONE DISCOVERS INSULATION FAILURE. THIS HAS BEEN AND IS WIDELY KNOWN TO BE A PROBLEM WITH THIS ERA OF CARS. EXTREMELY BAD ENGINEERING DECISIONS WERE MADE. VERY SE https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1313532 Thu, 01 Sep 2016 00:00:00 GMT THROTTLE BODY WIRE HARNESS WENT BAD AND WAS ON INTERSTATE AND COULD NOT DO SPEED LIMIT AND NEARLY GOT DEMOLISHED BY A SEMI TRACTOR TRAILER. AFTER A HORRIBLE EXPENSE I NOW FIND OUT THE WIRING HARNESS FOR THE CAR IS BAD AS WELL. WELL DONE MERCEDES BENZ YOU HAVE ENDANGERED MY FAMILY'S LIVES WITH YOUR SUB STANDARD BUSINESS PRACTICE. YOU SHOULD BE FORCED TO RECALL AND REPAIR ALL SAFETY ISSUES. https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1313533 Thu, 01 Sep 2016 00:00:00 GMT THROTTLE BODY WIRE HARNESS WENT BAD AND WAS ON INTERSTATE AND COULD NOT DO SPEED LIMIT AND NEARLY GOT DEMOLISHED BY A SEMI TRACTOR TRAILER. AFTER A HORRIBLE EXPENSE I NOW FIND OUT THE WIRING HARNESS FOR THE CAR IS BAD AS WELL. WELL DONE MERCEDES BENZ YOU HAVE ENDANGERED MY FAMILY'S LIVES WITH YOUR SUB STANDARD BUSINESS PRACTICE. YOU SHOULD BE FORCED TO RECALL AND REPAIR ALL SAFETY ISSUES. https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1313534 Thu, 01 Sep 2016 00:00:00 GMT THROTTLE BODY WIRE HARNESS WENT BAD AND WAS ON INTERSTATE AND COULD NOT DO SPEED LIMIT AND NEARLY GOT DEMOLISHED BY A SEMI TRACTOR TRAILER. AFTER A HORRIBLE EXPENSE I NOW FIND OUT THE WIRING HARNESS FOR THE CAR IS BAD AS WELL. WELL DONE MERCEDES BENZ YOU HAVE ENDANGERED MY FAMILY'S LIVES WITH YOUR SUB STANDARD BUSINESS PRACTICE. YOU SHOULD BE FORCED TO RECALL AND REPAIR ALL SAFETY ISSUES. https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1241461 Fri, 27 Nov 2015 00:00:00 GMT I HAVE TAKEN MY 95 S420 TO TWO DEALER LOCATIONS BECAUSE OF THE DISINTEGRATING ENGINE WIRING HARNESS. THEY ALL CLAIM THAT THEY NEVER HEARD OF IT. THE DEALER IN NANUET, NY TELLS ME THAT THEY CANNOT HELP ME BECAUSE I DIDN'T HAVE "EVERY" MAINTENANCE DONE THROUGH THEIR DEALERSHIP. I MUST SAY, FROM ALL THE DEALERSHIPS I'VE BEEN TO... MERCEDES DEALERSHIPS TREAT PEOPLE WITH OLDER CARS LIKE GARBAGE. https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1152790 Fri, 30 Jan 2015 00:00:00 GMT TL*THE CONTACT OWNS A 1996 MERCEDES BENZ S420 (N/A). THE CONTACT STATED THAT THE KEY FOB FAILED TO UNLOCK THE DOORS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 88,000. UPDATED 03/30/15*LJ UPDATED 10/20/2015*JS https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-1118320 Wed, 08 Oct 2014 00:00:00 GMT A/C QUIT WORKING. TOOK TO THE MERCEDES DEALER. WAS NOTIFIED OF VAPOR CORE FAILURE AND TOLD IT IS MOST COMMON ON ANY MILEAGE OF THIS MODEL. COST $3500.00 IF IT IS MOST COMMON IT SHOULD HAVE BEEN A RECALL ON IT. COMPANY KNEW ABOUT THE PROBLEM BUT DID NOTHING TO CORRECT IT. https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-982356 Wed, 29 May 2013 00:00:00 GMT TL-THE CONTACT OWNS A 1998 MERCEDES BENZ S420. THE CONTACT STATED THAT HIS FOUR ALLOY WHEEL RIMS WERE NOT SYMMETRICAL, UNEVEN, AND HE EXPERIENCED VIBRATING WHILE DRIVING. ST *TR https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-982358 Wed, 29 May 2013 00:00:00 GMT TL-THE CONTACT OWNS A 1998 MERCEDES BENZ S420. THE CONTACT STATED THAT HIS FOUR ALLOY WHEEL RIMS WERE NOT SYMMETRICAL, UNEVEN, AND HE EXPERIENCED VIBRATING WHILE DRIVING. ST *TR https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-649072 Sat, 08 Dec 2007 00:00:00 GMT THE INSTRUMENT CLUSTER HAS ALMOST TOTALLY FAILED CREATING A SEVERE SAFETY HAZARD. THE DEALER STATED VEHICLES WITH THIS PROBLEM ARE BEING RECALLED. HOW DO I RECEIVE A RECALL NOTICE? *TR https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-350517 Tue, 14 May 2002 00:00:00 GMT WHILE DRIVING, CONSUMER WAS BROADSIDED BY ANOTHER VEHICLE, HOWEVER IT WAS NOT STATED EXACTLY WHERE VEHICLE WAS HIT, SUBSEQUENTLY THE AIRBAGS FAILED TO DEPLOY AND CONSUMER SUFFERED SEVERE INJURIES.*JB https://plaincars.com/make/mercedes-benz-s420 https://plaincars.com/make/mercedes-benz-s420#complaint-318476 Tue, 16 Oct 2001 00:00:00 GMT WHILE DRIVING, CONSUMER WAS BROADSIDED BY ANOTHER VEHICLE, HOWEVER IT WAS NOT STATED EXACTLY WHERE VEHICLE WAS HIT, SUBSEQUENTLY THE AIRBAGS FAILED TO DEPLOY AND CONSUMER SUFFERED SEVERE INJURIES.*JB