Mercedes Benz S500 electrical problems
29 complaint narratives mention electrical terms.
Key facts
172 owner complaints analyzed
0 distinct recall campaigns
98,000 mi median reported failure mileage
Scope: 1993 to 2007 model years. Data snapshot: . 141 complaints include usable failure mileage.
Electrical and battery issues evidence
29 of 172 complaints match this topic (16.9%). The keyword filter can include complaints that mention a transmission without reporting its failure. View matching rules.
Owner report 10763582 · 2015-09-14 (September 14, 2015)
WHEN THE ENGINE IS RUNNING AT IDLE, THE ENGINE WILL MISS IN A RANDOM MANNER UNTIL THERE IS A LOUD POP FROM THE RADIO SPEAKER, THE BATTERY LIGHT COMES ON, AND THE ENGINE STOPS. SOMETIMES THE ENGINE WILL CONTINUE TO RUN, CONTINUE TO MISS, UNTIL THE ENGINE EVENTUALLY STOPS. WHEN RUNNING AT SPEED AND THE ENGINE IS UNDER LOAD THERE IS A LOUD POP FROM THE RADIO SPEAKER, THE ENGINE MISSES, BUT THE ENGINE WILL KEEP RUNNING. THE MB DEALER AND AN INDEPENDENT SHOP BOTH INDICATED THE WIRING HARNESS IN THE ENGINE COMPARTMENT WAS DETERIORATED AND NEED…
Owner-reported narrative. 232,637 miles reported. Look up ODI 10763582 at NHTSA ↗
Owner report 11175966 · 2019-02-09 (February 9, 2019)
VEHICLE STALLED TO DEAD THREE TIME, ONE ON AN INTERSECTION. SYMPTONS STARTED WITH ROUGH IDLE, MISFIRING AND STALL. AFTER INSPECTION OF UPPER WIRING HARNESS (RECOMMENDED BY A FRIEND) THE CONCLUSION WAS BARE AND DESINTEGRATED WIRES CAUSING SHORT CIRCUITS EVERYWHERE IN THE CAR, PUTTING ME AND MY FAMILY AT RISK. IT IS AN EXPENSIVE REPAIR AND I CAN'T DRIVE THE CAR UNTIL MBUSA GIVES A SOLUTION WHICH I'VE HEARD THEY LOOK LIKE UNAWARE. I OWNED OTHER MERCEDES MODELS AND WE ALWAYS HEAR THAT THIS W140 SERIESWERE THE BEST CAR IN THE WORLD. BUT THIS IS…
Owner-reported narrative. 163,000 miles reported. Look up ODI 11175966 at NHTSA ↗
Owner report 10954983 · 2017-02-16 (February 16, 2017)
THE MAIN ELECTRICAL CABLE HARNESS FOR THE STARTER, ALTERNATOR AND VEHICLE BATTERY IS AFFECTED BY THE BAD WIRING.
Owner-reported narrative. Look up ODI 10954983 at NHTSA ↗
Owner report 11091629 · 2018-05-03 (May 3, 2018)
ELECTRICAL ISSUES WITH THE WIRING DEALERSHIP REPAIR ITS STATING ITS ALWAYS AN ISSUE DUE TO THE MAKE OF THE WIRING SYSTEM. HOW THEY MADE IT THAT YEAR WAS A BAD SYSTEM. IT COST $1500-2400 TO REPLACE IT DUE TO THEY HAVE TO ORDER THAT PART FROM GERMANY.
Owner-reported narrative. 124,000 miles reported. Look up ODI 11091629 at NHTSA ↗
Owner report 10522780 · 2013-07-02 (July 2, 2013)
I NEVER RECEIVED A RECALL NOTICE FROM MB THAT THERE WAS A RECALL IN 2009 REGARDING EXTERIOR LIGHTING AND WAS NOT INFORMED THAT THE 1995 S SERIES MERCEDES WERE RECALLED FOR THE ELECTRICAL HARNESS. MY VEHICLE'S ENGINE HARNESS IS COMPLETELY BURNED OUT AND DETERIORATED .APPARENTLY MERCEDES BENZ KNOWINGLY INSTALLED BIODEGRADEABLE INFERIOR WIRE HARNESSES THAT DISINTEGRATE OVER TIME. THE FIRST EFFECT OF THIS FAULTY ELECTRICAL HARNESS CAUSED THE SPEEDOMETER TO STOP WORKING UPON INVESTIGATION BY A LOCAL MB DEALER FOR THE SPEEDOMETER, THE SERVI…
Owner-reported narrative. 130,000 miles reported. Look up ODI 10522780 at NHTSA ↗