NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
27 reportsClear category filterMileage unknown · Nov 7, 2024
Electrical SystemStructure
The contact owns a 2007 Mercedes-Benz GL450. The contact stated that the SRS warning light was illuminated. Additionally, the contact stated that while the dealer was servicing the air suspension strut failures, the dealer informed the contact that the vehicle had sustained severe water damage. The dealer informed the contact th…
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The contact owns a 2007 Mercedes-Benz GL450. The contact stated that the SRS warning light was illuminated. Additionally, the contact stated that while the dealer was servicing the air suspension strut failures, the dealer informed the contact that the vehicle had sustained severe water damage. The dealer informed the contact that the water had leaked from the sunroof through the headliner and onto the floor. The dealer informed the contact the water leak had caused mold on the headliner, and mold and corrosion on the floor, where the battery and electrical wires were located. The dealer informed the contact that the water entry had caused electrical failures, causing the driver's side and passenger's side third-row windows and the horn to become inoperable. The vehicle was not repaired. The contact related the failure to an unknown recall. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was unknown.
NHTSA ODI #11623956
Mileage unknown · Oct 22, 2024
Electrical SystemUnknown Or Other
Blinkers and horn stopped working windshield wipers coming on without being turned on it’s saying drive to workshop without shifting gears and won’t start in the middle of the highway
NHTSA ODI #11621304
Mileage unknown · Aug 3, 2020
Electrical SystemExterior Lighting
RAIN LEAKED IN THROUGH THE BACK CAUSING THE REAR SAM TO BE FILLED WITH WATER. THIS CAUSED ALL OF MY TAILLIGHTS TO GO OUT. I SAW A RECALL FOR VEHICLES WITH THE SAME YEAR AS MINE BUT THERE IS NO RECALL FOR THE GL 450 THAT I CAN FIND. I CALLED MERCEDES WHICH YIELDED NOTHING.THEY TOLD ME THE RECALLS ARE VIN SPECIFIC, NOT VEHICLE SPE…
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RAIN LEAKED IN THROUGH THE BACK CAUSING THE REAR SAM TO BE FILLED WITH WATER. THIS CAUSED ALL OF MY TAILLIGHTS TO GO OUT. I SAW A RECALL FOR VEHICLES WITH THE SAME YEAR AS MINE BUT THERE IS NO RECALL FOR THE GL 450 THAT I CAN FIND. I CALLED MERCEDES WHICH YIELDED NOTHING.THEY TOLD ME THE RECALLS ARE VIN SPECIFIC, NOT VEHICLE SPECIFIC. I GUESS MY VIN WASN'T CHOSED EVEN THOUGH IT HAS THE SAME ISSUE AS THE ONES THEY RECALLED IN 2009. THIS IS A NEW SAM. IT WAS REPLACED BY US WHEN WE BOUGHT THE VEHICLE USED.
NHTSA ODI #11343043
190,000 miles · Aug 19, 2019
Electrical SystemWheels
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ GL450. WHILE DRIVING VARIOUS SPEEDS, THE ABS INDICATOR ILLUMINATED AND REMAINED LIT. IN ADDITION, THE ESP AND CHECK ENGINE INDICATORS ALSO ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT ALL THE WHEELS NEEDED TO BE REPLACED AND REFERRED THE CONTACT TO THE…
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TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ GL450. WHILE DRIVING VARIOUS SPEEDS, THE ABS INDICATOR ILLUMINATED AND REMAINED LIT. IN ADDITION, THE ESP AND CHECK ENGINE INDICATORS ALSO ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT ALL THE WHEELS NEEDED TO BE REPLACED AND REFERRED THE CONTACT TO THE DEALER .THE CONTACT CALLED MERCEDES-BENZ OF SOUTH ORLANDO AT 407-374-0033 (LOCATED AT 4301 MILLENIA BLVD, ORLANDO, FL 32839) AND WAS INFORMED THAT THE PARTS WERE ON BACKORDER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 190,000.
NHTSA ODI #11244970
130,000 miles · May 8, 2019
Electrical SystemSeatsFire
HEATING ELEMENT IN DRIVERS SIDE DEFECTIVE. THE CAR SEAT CAUGHT ON FIRE. MERCEDES REFUSES TO FIX UNDER WARRANTY. WILL ONLY COVER 25% OF A 1400$ REPAIR. THIS DOES NOT INCLUDE THE DAMAGE DONE TO THE SEAT.
NHTSA ODI #11206247
168,000 miles · Sep 23, 2018
Electrical SystemFuel/propulsion System
ON SEVERAL OCCASIONS THE ENGINE HAS SHUT DOWN WITHOUT WARNING. THIS HAS HAPPENED AT IDLE (STOPPED AT A RED LIGHT) AND WHEN TRAVELING 70+MPH ON THE INTERSTATE. THE EVENT HAPPENS VERY FAST AND THE ENGINE RESTARTS WITHIN 30SEC. THE WARNING LIGHTS ON THE DASHBOARD LIGHT UP LIKE A CHRISTMAS TREE BUT ALL SYSTEMS CONTINUE WORKING (A…
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ON SEVERAL OCCASIONS THE ENGINE HAS SHUT DOWN WITHOUT WARNING. THIS HAS HAPPENED AT IDLE (STOPPED AT A RED LIGHT) AND WHEN TRAVELING 70+MPH ON THE INTERSTATE. THE EVENT HAPPENS VERY FAST AND THE ENGINE RESTARTS WITHIN 30SEC. THE WARNING LIGHTS ON THE DASHBOARD LIGHT UP LIKE A CHRISTMAS TREE BUT ALL SYSTEMS CONTINUE WORKING (AC, RADIO, ETC). I HAVE TAKEN IT TO 2 DIFFERENT MECHANICS AND NEITHER ONE HAS BEEN ABLE TO IDENTIFY THE PROBLEM. THIS HAS BEEN VERY SCARY AND MAKES ME FEEL UNSAFE DRIVING THIS VEHICLE.
NHTSA ODI #11130847
153,000 miles · Apr 18, 2018
Electrical SystemFuel/propulsion System
WHILE DRIVING ON THE FREEWAY AT APPROXIMATELY 60 MPH, THE VEHICLE RANDOMLY SHUT-OFF WITH NO WARNINGS WHATSOEVER, INCLUDING ALL THE INTERNAL ELECTRONICS (E.G. NAVIGATION, DASHBOARD). AFTER 1 SECOND, THE VEHICLE RESTARTED ALL BY ITSELF. THE CLOCK INSIDE THE VEHICLE KEPT ON CIRCLING BACK AND FORTH AS IF SOME LIGHTNING HIT IT OR SOM…
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WHILE DRIVING ON THE FREEWAY AT APPROXIMATELY 60 MPH, THE VEHICLE RANDOMLY SHUT-OFF WITH NO WARNINGS WHATSOEVER, INCLUDING ALL THE INTERNAL ELECTRONICS (E.G. NAVIGATION, DASHBOARD). AFTER 1 SECOND, THE VEHICLE RESTARTED ALL BY ITSELF. THE CLOCK INSIDE THE VEHICLE KEPT ON CIRCLING BACK AND FORTH AS IF SOME LIGHTNING HIT IT OR SOMETHING, AND IT WAS VERY SCARY, SINCE THERE WERE MANY CARS ON THE FREEWAY.
NHTSA ODI #11088933
99,801 miles · Jan 23, 2018
Electrical SystemSeatsFire
TL-CONTACT OWNS A 2007 MERCEDES GL 450. CONTACT LOOKED ONLINE FOR RECALL FOR VEHICLE.MILEAGE ON VEHICLE IS 99,801. CONTACT WAS GOING 66MPH AT TIME WHEN DRIVERS SEAT CAUGHT FIREAND CONTACT WAS DRIVING ON HIGHWAY. MERCEDES HEATED SEATS RECALL FOR SEAT OVERHEATING AND HOLE BURNING IN DRIVERS SIDE SEAT. 0 RECALLS ASSOCIATED WITH TH…
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TL-CONTACT OWNS A 2007 MERCEDES GL 450. CONTACT LOOKED ONLINE FOR RECALL FOR VEHICLE.MILEAGE ON VEHICLE IS 99,801. CONTACT WAS GOING 66MPH AT TIME WHEN DRIVERS SEAT CAUGHT FIREAND CONTACT WAS DRIVING ON HIGHWAY. MERCEDES HEATED SEATS RECALL FOR SEAT OVERHEATING AND HOLE BURNING IN DRIVERS SIDE SEAT. 0 RECALLS ASSOCIATED WITH THIS VIN
NHTSA ODI #11064425
Mileage unknown · Apr 4, 2017
Electrical System
2007 MERCEDES BENZ GL450. CONSUMER WRITES IN REGARDS TO VEHICLE CATALYTIC CONVERTER CAUSES FIRE. *SMD CONSUMER SENT ADDITIONAL CORRESPONDENCE. *SMD THE CONSUMER STATED THE FIRE MAY HAVE BEEN CAUSED BY THE SEAT HEATER. UPDATED 04/04/2017*JS UPDATED 04/14/2017*JS *JS
NHTSA ODI #10933449
91,000 miles · Dec 28, 2016
Electrical System
THE ISM (INTELLIGENT SERVO MODULE) HAS FAILED IN MANY OF THE SIMILAR MERCEDES CARS THAT I OWN. I CAN NOT START THE CAR AND CAN NOT EVEN ORDER THIS PART BECAUSE ONLY A DEALER CAN INSTALL THIS PART. MY VEHICLE IS STUCK IN A PARKING LOT AND THERE IS NOTHING I CAN DO. I THINK THIS ISSUE NEEDS TO BE RECALLED.
NHTSA ODI #10937786