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1994 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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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: 7 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 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Engine And Engine Cooling complaints

3 reports
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90,000 miles · Jul 20, 2011
Electrical SystemEngine And Engine CoolingFuel System, Gasoline

THE WIRING HARNESSES FOR THE ENGINE AND OTHER COMPONENTS OF THE CAR HAVE DISINTEGRATED DUE TO DEFECTIVE MANUFACTURING PROCESSES. THE INSULATION ON THE WIRES DETERIORATE PREMATURELY ALLOWING THE WIRES TO SHORT OUT AND AFFECT AND HARM MOST OF THE COMPONENTS OF THE CAR. THE MANUFACTURER IS AWARE OF THE DEFECT, BUT REFUSES TO PRO…

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THE WIRING HARNESSES FOR THE ENGINE AND OTHER COMPONENTS OF THE CAR HAVE DISINTEGRATED DUE TO DEFECTIVE MANUFACTURING PROCESSES. THE INSULATION ON THE WIRES DETERIORATE PREMATURELY ALLOWING THE WIRES TO SHORT OUT AND AFFECT AND HARM MOST OF THE COMPONENTS OF THE CAR. THE MANUFACTURER IS AWARE OF THE DEFECT, BUT REFUSES TO PROVIDE A SOLUTION OR TO ASSIST IN ANY WAY. THE ASR, & SRS SYSTEMS WERE DISABLED INTERMITTENTLY, THE CAR STALLED ON THE HIGHWAY AND THE ENGINE WOULD SURGE OCCASIONALLY. I BOUGHT THIS CAR USED, BUT IT WAS IN VERY GOOD CONDITION AND THIS MAJOR MANUFACTURING PROBLEM SHOULD NOT HAVE HAPPENED.

NHTSA ODI #10414468

49,000 miles · Feb 11, 2010
Engine And Engine CoolingFuel System, GasolinePower Train

THE VEHICLE UNEXPECTEDLY DEVELOPED SUDDEN ACCELERATION WHEN SWITCHING FROM PARK TO REVERSE OR ANY OTHER GEAR. THE FIRST TIME IT OCCURRED, IT ALMOST RAN OVER MY CHILD WHO WAS PLAYING NEARBY AND I WAS TRYING TO BACK UP THE CAR OUT OF THE GARAGE FOR A WASH. ONE MOMENT THE VEHICLE RUNS FINE, THE NEXT IT SUDDENLY AND UNEXPECTEDLY ACC…

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THE VEHICLE UNEXPECTEDLY DEVELOPED SUDDEN ACCELERATION WHEN SWITCHING FROM PARK TO REVERSE OR ANY OTHER GEAR. THE FIRST TIME IT OCCURRED, IT ALMOST RAN OVER MY CHILD WHO WAS PLAYING NEARBY AND I WAS TRYING TO BACK UP THE CAR OUT OF THE GARAGE FOR A WASH. ONE MOMENT THE VEHICLE RUNS FINE, THE NEXT IT SUDDENLY AND UNEXPECTEDLY ACCELERATES TO A HIGH RPM, EVEN BURNING TIRES IN THE PROCESS.AFTER TROUBLESHOOTING, IT WAS DISCOVERED THAT THE THROTTLE ACTUATOR ("ELECTRONIC THROTTLE ACTUATOR" "THROTTLE BODY") WIRING HARNESS HAD MULTIPLE SHORT CIRCUITS AS A RESULT OF THE WELL KNOWN MERCEDES WIRING HARNESS DEFECT (WHICH AFFECTS THE MAIN ENGINE WIRE HARNESS, ANOTHER SOURCE OF DANGER AND CAUSE OF MANY ACCIDENTS). THE WIRES' INSULATION OF THE INTERNAL WIRES PREMATURELY DISINTEGRATED AND TURNED TO DUST. THIS CAUSED MULTIPLE SHORTS AND THE UNEXPECTED BEHAVIOR. PLEASE NOTE THAT THIS IS A 400HP VEHICLE AND AS A RESULT OF THIS DEFECT IT TURNED LITERALLY INTO A KILLING MACHINE. THE VEHICLE HAS UNDER 50,000 MILES SINCE NEW AND COST $140,000 IT HAS NEVER BEEN PARKED OUTSIDE AND WAS, UP TO NOW, CONSIDERED A SHOWPIECE AND MAINTAINED WITH THE UTMOST CARE. MERCEDES BENZ WAS CONTACTED AND REFUSED TO HONOR ANY REPAIRS. THERE ARE SEVERAL THOUSAND COMPLAINTS ABOUT THIS DEFECT YET THE NHTSA HAS DONE NOTHING ABOUT INVESTIGATING MERCEDES BENZ. IT IS ESTIMATED THAT OVER 100 LIVES HAVE BEEN LOST WORLDWIDE AND MERCEDES HAS QUIETLY SETTLED THE MOST NOTORIOUS ACCIDENTS. THIS IS WELL KNOWN TO MERCEDES BENZ AND THE INTERNET IS REPLETE WITH EVIDENCE. OVER TWO MILLION VEHICLES ARE AFFECTED. I CONTACTED BOSCH ENGINEERING, THE CONTRACT MANUFACTURERS OF THE PARTS AND SPOKE WITH AN ENGINEER. BOSCH IS FULLY AWARE OF THE DEFECT AND THEY BASICALLY CLAIM THAT THESE UNSUITABLE, LOW-QUALITY WIRES WERE SPECIFICALLY REQUESTED BY MERCEDES-BENZ IN THEIR DESIGN. THIS IS A $3+ BILLION ENGINEERING PROBLEM THAT MERCEDES HAS REFUSED TO ADDRESS AND THE NHTSA, PRESUMABLY AS A RESULT OF POLITICAL PRESSURE HAS NOT INVESTIGATED. *TR

NHTSA ODI #10308743

79,000 miles · Aug 12, 2008
Engine And Engine Cooling

COOLING SYSTEM LINK, DIAGNOSED TO BE A 4 WAY HEATER HOSE CONNECTOR WHICH MOUNTS ON THE FIREWALL OF MY 1994 S600. INTAKE MANIFOLD MUST BE TAKEN OFF WHICH HAD A WIRING HARNESS LEADING THREW IT WHICH IN TURN CRUMBLED AND FUSED TOGETHER WHICH LEAD TO MULTIPLE ISSUES AND DAMAGE TO MANY DIFFERENT COMPONENTS AND PARTS. AFTER THE COOLA…

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COOLING SYSTEM LINK, DIAGNOSED TO BE A 4 WAY HEATER HOSE CONNECTOR WHICH MOUNTS ON THE FIREWALL OF MY 1994 S600. INTAKE MANIFOLD MUST BE TAKEN OFF WHICH HAD A WIRING HARNESS LEADING THREW IT WHICH IN TURN CRUMBLED AND FUSED TOGETHER WHICH LEAD TO MULTIPLE ISSUES AND DAMAGE TO MANY DIFFERENT COMPONENTS AND PARTS. AFTER THE COOLANT LEAK WAS FIXED THE CAR NEVER RAN THE SAME. AFTER DIAGNOSTICS AT AN OFFICIAL MERCEDES DEALERSHIP RESULTED IN MULTIPLE WIRE HARNESSES NEEDING TO BE REPLACED, AS WELL AS OTHER COMPONENTS BEING DAMAGED IN THE PROCESS AND NEEDING TO BE REPLACED THE DOLLAR FIGURE AS OF 8/12/2008 $42,000 AND AS OF TODAY THE ENGINE LIGHT CAME ON AND WE ARE GOING BACK TO THE DEALERSHIP TO HAVE THE CAR DIAGNOSED AGAIN. WE HAVE BEEN TOLD BY MERCEDES SERVICE EMPLOYEES THAT THIS IS A VERY COMMON DEFECT AND IS A TYPICAL FAILURE ON 91-96 MERCEDES BENZ (ALL MODELS) INCLUDING THE V-12 S600 THAT I OWN. WE HAVE ALL DOCUMENTATION, RECORDS AND RECEIPTS OF ALL REPAIRS AND I FEEL THAT THIS IS COMPLETELY UNACCEPTABLE FROM A REPUTABLE MANUFACTURER LIKE MERCEDES BENZ AND FEEL LIKE I SHOULD COMPENSATED FOR MY EXPENSES DUE TO THIS TYPICAL ISSUE AND FEEL THAT WE ALL SHOULD BE GIVEN A RESPONSE FROM MERCEDES AS TO WHY THIS HASN'T BEEN DEALT WITH PROFESSIONALLY. *TR

NHTSA ODI #10237919

Official recalls

1

96V175000 · Visibility

Sep 19, 1996

IF ONE OF THE HEADLAMP WIPER ARMS BECOMES MISALIGNED, THE WIPER BALDE CAN LODGE IN THE GROOVE UNDER THE HEADLAMP. IF THE WASHERS ARE ACTIVATED WITH THE WIPER BLADE IN THE MISALIGNED AND LODGED POSITION, THE WASHER PUMP WILL RUN CONTINUOUSLY EXPELLING ALL AVAILABLE FLUID.

Consequence & remedy

Consequence: PUMP OPERATION IN THE ABSENCE OF FLUID CAN CAUSE THE PUMP TO OVERHEAT AND CAUSE A VEHICLE FIRE.

Remedy: DEALERS WILL REPLACE THE HEADLAMP WASHER PUMP ON THESE VEHICLES.

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.