1993 Mercedes Benz 400

Routine

Owners filed 10 complaints about this vehicle with federal regulators, most often about the electrical system › wiring. No safety recall has been issued.

What fails
ComponentReportsCrashesFiresInjuries
Electrical System › Wiring3
000
Electrical System2
000
Vehicle Speed Control1
000
Tires1
000
Service Brakes, Hydraulic › Foundation Components › Disc › Rotor1
000
Engine and Engine Cooling › Engine › Gasoline1
110
Electrical System › Wiring › Front Underhood1
000

What owners reported

Newest filings
Electrical System
Filed Apr 21, 2010142,000 milesNY

THE WIRING HARNESS ON MY 1993 MERCEDES 400SEL IS DEFECTIVE. AFTER TALKING WITH A MERCEDES MECHANIC, HE INFORMS ME HOW IMPORTANT THIS HARNESS IS AND WHAT COULD HAPPEN WHEN IT FAILS. THE WIRES ARE CRACKING AND SPLITTING AND ARE DRIED OUT. THIS IS A VERY DANGEROUS CONDITION. AFTER DOING THE RESEARCH, IT WAS DISCOVERED THAT MERCEDES KNOWS THE HARNESSES WERE DEFECTIVE AND HAS CHOSEN TO IGNORE THE PROBLEM. NO INJURIES OR DEATH AT THIS TIME. *TR

Electrical System
Filed Feb 4, 200975,000 milesIL

I HAVE A 1993 400 SEL MERCEDES BENZ THAT HAS HAD PROBLEMS FOR YEARS AND NOW TURNS OUT TO BE A DEFECTIVE ENGINE WIRING HARNESS. IT HAS LEFT ME STRANDED ON THE SIDE OF A BUSY HIGHWAY RECENTLY WHICH ALMOST GOT ME KILLED WHEN I GOT OUT OF THE CAR. *TR

Tires
Filed Jan 27, 200995,000 milesCA

TL*THE CONTACT OWNS A 1993 MERCEDES BENZ 400 SEL. THE VEHICLE WAS PURCHASED USED WITH SUMITOMO HTRZ2 TIRES AND TIRE SIZE, 245/35R20. THE CONTACT NOTICED A SPLIT ON THE REAR DRIVER'S SIDE TIRE. FOUR OR FIVE MONTHS LATER, HE NOTICED NUMEROUS SPLITS ON THE TIRE. HE ALREADY REPLACED BOTH FRONT TIRES. THE MANUFACTURER WAS NOT NOTIFIED, BUT THE CONTACT BELIEVES THAT THESE TIRES NEED TO BE RECALLED. WHEN THE FIRST TWO TIRES WERE REPAIRED, THE DEFECTIVE TIRES WERE NOT INSPECTED AT ANY SHOP. THE TIRE SIZE WAS UNKNOWN. THE FAILURE MILEAGE WAS 95,000 AND CURRENT MILEAGE WAS 107,000.

Electrical System › Wiring › Front Underhood
Filed Apr 7, 2007150,000 milesCA

1993 400 SEL WIRING HARNESS # 140 540 1132 ROTTED AWAY. *AK

Electrical System › Wiring
Filed Jun 24, 2006176,800 milesVA

HELLO, RECENTLY STARTED HAVING PROBLEMS WITH MY ASR SYSTEM ON MY 1993 MB 400E AND THE SERVICE WRITER TOLD ME MY WIRING HARNESS WAS FAULTY,CRACKED AND WAS TURNING TO DUST ! HE SAID IF I DIDN'T FIX IT WOULD CAUSE ME SERIOUS PROBLEMS - EVEN POSSIBLY AN ENGINE FIRE ! HE TOLD ME COST TO REPLACE THE WIRE HARNESS + LABOR WOULD BE ABOUT $ 1080.00. COME TO FIND OUT TENS OF THOUSANDS OF PEOPLE HAVE THIS PROBLEM. WHY DON'T YOU FOLKS GET MERCEDES TO ISSUE A SAFETY RECALL !! HOW MANY PEOPLE HAVE TO DIE OR GET BURNED ALIVE BEFORE YOU HELP THE PUBLIC THAT YOUR SUPPOSED TO PROTECT !! PLEASE HELP US--THANKS FOR YOUR TIME. *JB

Electrical System › Wiring
Filed Jun 4, 2006111,000 milesGA

ENGINE WIRING HARNESS WAS DETERIORATED COMPLETELY CAUSING ENGINE PROBLEMS,STALLING IN TRAFFIC. IT WAS CORRECTED BY BUYING A NEW WIRING HARNESS. THE OLD PART WAS KEPT. IT IS UNDERSTOOD BY ME THAT THE INSULATION USED WAS BIODEGRADABLE. *JB

Electrical System › Wiring
Filed Aug 5, 2003128,000 milesMO

THE DESIGN AND LOCATION OF THE SPARK PLUGS CAUSES A VERY SERIOUS SAFETY HAZARD. IN ORDER TO REPLACE OR INSPECT THE PLUGS WIRE HARNESS NEEDED TO BE UNBOLTED AND PUSHED BACKWARDS, WIRE HARNESS SHOULDN'T BE MOVED. WIRE HARNESS SHORTED OUT, CAUSING A SHORT OUT OF ALL COMPONENTS IN THAT CIRCUIT.*AK

Engine and Engine Cooling › Engine › GasolineCrashFire
Filed May 28, 1997FL

THE VEHICLE CAUGHT FIRE AFTER MILDLY REARENDING ANOTHER VEHICLE. *AK

Vehicle Speed Control
Filed Mar 21, 1995CA

VEHICLE INTERMITTENTLY SURGES AT SPEEDS OF 10-20 MPH. *AW

Service Brakes, Hydraulic › Foundation Components › Disc › Rotor
Filed Jan 25, 1995FL

BRAKE AND ROTOR WEAR OUT AT 4,000 MILES. TT

10 of 10 complaints, reproduced as filed.

Across model years

Worst on record: 1993
YearComplaintsRecallsFiresDeathsAssessment
20012000Routine
20002000Routine
19991000Routine
19982000Routine
19951000Routine
1993 — this page10010Routine
19928000Routine

Compare every 400 year →

Reading this record

No unusual pattern of severe incidents in the complaint record.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Most recent recall on file: none. Source: NHTSA Office of Defects Investigation.