NHTSA Data Explorer
Mercedes-Benz 400SE
Data refreshed June 26, 2026
Select a model year to filter results to that year of the Mercedes-Benz 400SE.
Complaints
28
Active records
Recalls
4
Active records
TSBs
4
Active records
Filing history
Monthly totals over the last 20 years. Click a legend item to show or hide that series.
Reported severity
Based on consumer complaints filed since 2000. Recalls and TSBs do not include severity data.
Deaths
0
Injuries
2
Crashes
3
Fires
1
Top reported issues — Mercedes-Benz 400SE
Click a category to expand its values.
Condition issue
Operating state
Reporting mechanism
Safety restraint issue
Ride/handling behavior
Electrical issue
Engine behavior
Performance issue
Safety restraint behavior
Fluid issue
Thermal issue
Transmission/drivetrain behavior
Access/entry issue
Lighting behavior
Powering on/off behavior
Braking behavior
Steering behavior
HVAC behavior
Driver assistance issue
Smell
Infotainment behavior
Noise
Recent change
Starting behavior
Vibration/harshness
Recent filings
The 10 most recent filings for each type.
1993 MERCEDES BENZ 400
Filed Apr 21, 2010
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
1993 MERCEDES BENZ 400
Filed Feb 4, 2009
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
1993 MERCEDES BENZ 400
Filed Jan 27, 2009
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…
1992 MERCEDES BENZ 140
Filed Jul 27, 2008
CHECK ENGINE LIGHT. ENGINE DOES NOT TURN ON. WIRE HARNESS MELT. *TR
1992 MERCEDES BENZ 400
Filed Jul 7, 2008
MY MECHANIC TOLD ME THAT THE WIRING HARNESS UNDER THE HOOD IS ROTTING AWAY. I HAVE A/C PROBLEMS WITH THE WIRES AND HAVE HAD LOSS OF POWER AT THE MOST INCONVENIENT TIMES. I'M STARTING TO HAVE DIFFERENT ELECTRICAL PROBLEMS DUE TO THIS WIRING HARNESS AND AM VERY NERVOUS OF A POSSIBLE FIRE AS MY GRANDDAUGHTER IS USUALLY IN THE CAR. IF THIS IS A PROBLEM OTHER MERCEDES OWNERS ARE EXPERIENCING, I FEEL IT SHOULD BE ADDRESSED BY MERCEDES. *TR
1993 MERCEDES BENZ 400
Filed Apr 7, 2007
1993 400 SEL WIRING HARNESS # 140 540 1132 ROTTED AWAY. *AK
1992 MERCEDES BENZ 400
Filed Oct 22, 2006
WIRING HARNESS ON MY 1992 MERCEDES BENZ 400 SEL HAS GONE BAD. *NM
1992 MERCEDES BENZ 400
Filed Sep 19, 2006
ENGINE WIRING HARNESS DEGRADING, THIS ISSUE HAS EFFECTED ENGINE PERFORMANCE RESULTING IN LOSS OF POWER TO CAR. THIS INCIDENT NEARLY COST ME AND MY FAMILY THEIR LIFE. DUE TO THE ENGINE WIRING HARNESS DEGRADING MY VEHICLE SUDDENLY LOST ALL POWER AND DIED (ELECTRICALLY) ON THE FREEWAY. THIS ISSUE IS SERIOUS AND NEEDS TO BE LOOKED INTO. *JB
1992 MERCEDES BENZ 400
Filed Aug 3, 2006
1992 MERCEDES 400E WITH ABOUT 140,000 MI. HAS A DEFECTIVE WIRING HARNESS WHICH HAS BEEN INVOLVED IN SEVERAL HUNDRED COMPLAINTS ALREADY POSTED AND MANY ENGINE FIRES. THE WIRES IN THE HARNESS HAVE NO PROTECTION AGAINST HEAT AND LAY RIGHT ABOVE THE ENGINE. THE HARNESS CONTAINS SEVERAL WIRES, ALL OF WHICH SHOW DIRECT METAL TO METAL CONTACT THAT COULD EASILY CAUSE A FIRE. AFTER CALLING ED AT THE MERCEDES DIRECT HELP LINE, HE DENIED ANY KNOWLEDGE OR RESPONSIBILITY OF THIS OBVIOUS ENGINEERING DEFECT.…
1993 MERCEDES BENZ 400
Filed Jun 24, 2006
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…