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1992 Mercedes Benz 600

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

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 4 of 8 reports include usable mileage. There isn’t enough coverage to show a useful chart.

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 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports1 fire reports0 injury reports

Electrical System complaints

7 reports
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86,661 miles · Aug 14, 2011
Electrical SystemCrash

THE BODY AND ENGINE HARNESS HAS BEEN FOUND TO BE CONTAINING MANY BARED WIRES BECAUSE THE WIRE COVERING IS DEFECTIVE. MY MERCEDES 600S SUDDENLY DECELERATED AND BECAUSE OF THIS I WAS REAR ENDED WHILE DRIVING ON THE FREEWAY. I FOUND OUT LATER AT A MECHANICAL SHOP THAT THE ENGINE WENT INTO SOMETHING CALLED "LIMPMODE" AND THIS …

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THE BODY AND ENGINE HARNESS HAS BEEN FOUND TO BE CONTAINING MANY BARED WIRES BECAUSE THE WIRE COVERING IS DEFECTIVE. MY MERCEDES 600S SUDDENLY DECELERATED AND BECAUSE OF THIS I WAS REAR ENDED WHILE DRIVING ON THE FREEWAY. I FOUND OUT LATER AT A MECHANICAL SHOP THAT THE ENGINE WENT INTO SOMETHING CALLED "LIMPMODE" AND THIS CAUSED THE SUDDEN DECELERATION. I WAS FURTHER ADVISED THAT THIS ACTION WAS CAUSED BY A SHORT CIRCUIT IN ONE OF THE BARED WIRES OF THE ENGINE BODY HARNESS. UPON OBSERVATION THE WHOLE BODY WIRE HARNESS OF MANY WIRES EXHIBIT AN UNBELIEVABLE CONDITION WHERE YOU CAN VISUALLY OBSERVE THE WIRE'S COVERING DISINTEGRATING UNTIL NOTHING COVERS THE WIRES AND THEY ARE TOTALLY BARED. THE POSSIBLE RISK OF FIRE DUE TO THIS CONDITION IS WORTH AN IMMEDIATE RECALL BY MERCEDES IN ITSELF. WHY HAS THE NHTSA NOT ORDERED MERCEDES TO ADDRESS THIS SERIOUS PRODUCTION PROBLEM THAT I HAVE LEARNED IS COMMON TO HUNDREDS OF V-12 ENGINES FROM 1992-1995? DOES SOME ONE HAVE TO DIE IN A FIRE CAUSED BY THIS UNACCEPTABLE CAR ASSEMBLY MISTAKE? SURELY ONE CAN SURMISE THAT AS THESE CARS GET OLDER THE FREQUENCY AND RISK OF HUMAN DEATH OR INJURY INCREASES DAILY. MERCEDES IS HOPING THIS COMPLAINT AND RISK WILL ALL JUST "GO AWAY". THEY PROVERBIALLY SIT ON THEIR HANDS AND WILL ONLY ACT WHEN AN ORDER IS MADE BY NHTSA. SO OWNERS ARE PROTECTED. *TR

NHTSA ODI #10419382

54,000 miles · Sep 30, 2007
Electrical System

MERCEDES BENZ WIRING FAILURE. *JB

NHTSA ODI #10204474

84,580 miles · Sep 4, 2007
Electrical System

THE ENGINE WIRING HARNESS ON MY '92 600 SEL FAILED BECAUSE IT WAS MADE OF WIRING THAT WAS NOT ADEQUATELY TESTED. THE WIRING FAILED IN 2007 DUE TO THE WIRING BE DESIGNED TO BE BIODEGRADABLE. REPAIR COST WAS $7000 !!!!!! *JB. UPDATED 01/11/08. *LJ THE WIRING HARNESS BRITTLE AND CRACKED. UPDATED *JB

NHTSA ODI #10201857

Mileage unknown · Nov 28, 2006
Electrical System

I OWN A 1992 S600 MERCEDES BENZ AND ALSO EXPERIENCE A PROBLEM WITH MY WIRING HARNESS. MY FAMILY AND I BE DRIVING AND THE ASR LIGHT WILL COME ON AND THE CAR AUTOMATIC DROP SPEED PUTTING OUR LIFE IN DANGER. I HAD TO DONE LOTS OF REPAIRS. NOW THEY ARE TALKING ABOUT THE CONTROL UNIT AND THE THROTTLE ACTUATOR. THESE REPAIRS ARE VERY …

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I OWN A 1992 S600 MERCEDES BENZ AND ALSO EXPERIENCE A PROBLEM WITH MY WIRING HARNESS. MY FAMILY AND I BE DRIVING AND THE ASR LIGHT WILL COME ON AND THE CAR AUTOMATIC DROP SPEED PUTTING OUR LIFE IN DANGER. I HAD TO DONE LOTS OF REPAIRS. NOW THEY ARE TALKING ABOUT THE CONTROL UNIT AND THE THROTTLE ACTUATOR. THESE REPAIRS ARE VERY EXPENSIVE. *JB

NHTSA ODI #10174523

Mileage unknown · Nov 28, 2006
Electrical System

I OWN A 1992 S600 MERCEDES BENZ AND ALSO EXPERIENCE A PROBLEM WITH THE WIRING HARNESS. MY FAMILY AND I CAN BE DRIVING AND THE CAR AUTOMATIC DROP SPEED AND GO INTO LIMP MODE WHICH IS VERY DANGER. I ALSO HAD THE CAR CHECK OUT ALSO AND IT WILL PUT OUT CODES THAT DON'T EVEN EXIST. THE MERCEDES BENZ DEALER NEED TO BE RESPONSIBLE FOR …

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I OWN A 1992 S600 MERCEDES BENZ AND ALSO EXPERIENCE A PROBLEM WITH THE WIRING HARNESS. MY FAMILY AND I CAN BE DRIVING AND THE CAR AUTOMATIC DROP SPEED AND GO INTO LIMP MODE WHICH IS VERY DANGER. I ALSO HAD THE CAR CHECK OUT ALSO AND IT WILL PUT OUT CODES THAT DON'T EVEN EXIST. THE MERCEDES BENZ DEALER NEED TO BE RESPONSIBLE FOR THE REPAIRS OF THE CAR. BECAUSE IT IS VERY EXPENSIVE. *JB

NHTSA ODI #10174519

Mileage unknown · Jun 13, 2006
Electrical System

INTENSE ELECTRICAL PROBLEMS HAVE BEEN CAUSED BY DETERIORATING WIRING HARNESS IN MY 1992 600 SEL MERCEDES. THE WIRES ARE CRACKED IN NUMEROUS PLACES RESULTING IN INTERMITTENT MALFUNCTIONING OF VARIOUS COMPONENTS. *JB

NHTSA ODI #10159751

100,000 miles · Mar 26, 2006
Electrical System

RECENTLY I FOUND OUT THAT THE WIRING HARNESS ON MY 1991 600 SE IS DETERIORATING, ON SOME PLACES YOU CAN ALREADY SEE THE BARE WIRES. THIS CAR IS IN DESPERATE NEED OF OTHER REPAIRS, AND BEFORE WE CAN DO ANYTHING ELSE WE MUST REPLACE EVERY SINGLE HARNESS IN THE ENGINE BAY. WE ARE NOT A VERY RICH FAMILY AND CAN NOT AFFORD THAT. I HA…

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RECENTLY I FOUND OUT THAT THE WIRING HARNESS ON MY 1991 600 SE IS DETERIORATING, ON SOME PLACES YOU CAN ALREADY SEE THE BARE WIRES. THIS CAR IS IN DESPERATE NEED OF OTHER REPAIRS, AND BEFORE WE CAN DO ANYTHING ELSE WE MUST REPLACE EVERY SINGLE HARNESS IN THE ENGINE BAY. WE ARE NOT A VERY RICH FAMILY AND CAN NOT AFFORD THAT. I HAVE TO DRIVE THE CAR ALMOST EVERY DAY AND AM VERY WORRIED ABOUT THE SAFETY OF IT. WHY DOESN'T MERCEDES DO SOMETHING ABOUT THIS? THAT IS BEYOND ME. *JB

NHTSA ODI #10153736

Official recalls

0

No recalls in this snapshot.

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.