NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
13 reportsClear category filterMileage unknown · Jun 7, 2019
Electrical SystemExterior LightingService Brakes
FAULTY WIRING IN THE BRAKE LIGHT HARNESS THAT COULD CAUSE FIRE. WIRING COMMONLY ARCS CAUSING THE BULBS TO BURN OUT AND COULD POTENTIALLY CAUSE A FIRE. MERCEDES HAS OTHER CARS WITH THIS SAME PROBLEM, BUT WON'T ADDRESS IT ON THE ML350'S. THEY EVEN MADE A PART TO CORRECT THIS PROBLEM, BUT DEMAND CAR OWNERS PAY OUT OF POCKET TO FIX …
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FAULTY WIRING IN THE BRAKE LIGHT HARNESS THAT COULD CAUSE FIRE. WIRING COMMONLY ARCS CAUSING THE BULBS TO BURN OUT AND COULD POTENTIALLY CAUSE A FIRE. MERCEDES HAS OTHER CARS WITH THIS SAME PROBLEM, BUT WON'T ADDRESS IT ON THE ML350'S. THEY EVEN MADE A PART TO CORRECT THIS PROBLEM, BUT DEMAND CAR OWNERS PAY OUT OF POCKET TO FIX MERCEDES FAULTY WIRING PROBLEM.
NHTSA ODI #11218579
95,000 miles · Aug 9, 2018
Electrical SystemUnknown Or Other
2008 MERCEDES ML 350 BRAKE LIGHTS CONTINUE TO SEND AN ERROR MESSAGE THAT LEFT AND RIGHT BRAKE LIGHTS ARE OUT SOMETIMES THEY ARE AND SOMETIMES THEY AREN'T ITS ISN'T THE LIGHT BULB AND WAS TOLD THIS IS A COMMON ISSUE WITH THIS YEAR. WATER CONTINUES TO LEAK IN THROUGH THE REAR BRAKE LIGHT DAMAGING THE SAM UNIT
NHTSA ODI #11118762
110,000 miles · Aug 2, 2018
Electrical SystemExterior Lighting
DUE TO A FAULTY RIGHT TAILLAMP SEAL, WATER GOT INTO A CONTROL MODULE AND DAMAGED IT BEYOND REPAIR. I WOKE UP AND WALKED OUTSIDE TO SEE MY HEADLIGHTS FLASHING AND UPON FURTHER INSPECTION MY KEY FOB NOT WORKING, SRS DISABLED, AND MANY OTHER MISCELLANEOUS ELECTRONIC COMPONENTS DISABLED. SOME TIME BEFORE THIS, THE MOTOR TO THE REAR …
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DUE TO A FAULTY RIGHT TAILLAMP SEAL, WATER GOT INTO A CONTROL MODULE AND DAMAGED IT BEYOND REPAIR. I WOKE UP AND WALKED OUTSIDE TO SEE MY HEADLIGHTS FLASHING AND UPON FURTHER INSPECTION MY KEY FOB NOT WORKING, SRS DISABLED, AND MANY OTHER MISCELLANEOUS ELECTRONIC COMPONENTS DISABLED. SOME TIME BEFORE THIS, THE MOTOR TO THE REAR HATCH STOPPED WORKING, POSSIBLY FOR THE SAME REASON.
NHTSA ODI #11115405
Mileage unknown · Jun 4, 2018
Electrical SystemFire
BRAKE LIGHT WENT OUT. TWO DAYS LATER THE BATTERY CAUSED A FIRE INSIDE OF VEHICLE WHILE VEHICLE WAS STATIONARY. KEYS WERE NOT IN THE IGNITION AT THE TIME
NHTSA ODI #11099554
112,110 miles · Feb 7, 2017
Electrical System
THE INSULATION OF THE CABLES FOR THE HIGH AND LOW BEAM IS MISSING.THE WIRES ARE WITHOUT ANY INSULATION AT ALL.I CAN NOT USE THE LIGHTS BECAUSE I'M AFRAID OF A SHORT .OTHER WISE, I CAN USE THE CAR AS LONG AS I DON'T TURN THE FRONT LIGHTS ON.
NHTSA ODI #10950124
105,000 miles · Jul 1, 2016
Electrical System
REAR HATCH WOULD NOT COMPETELY CATCH WHEN CLOSING. IT REQUIRED OPENING AND RECLOSING SEVERAL TIMES BEFORE COULD CATCH. SOON THEREAFTER IT WOULD NOT OPEN USING THE AUTOMATIC RELEASE. IT HAD TO BE OPENED USING THE MANUAL RELEASE ON THE INTERIOR SIDE OF THE DOOR. HAD TO CHANGE THE MECHANISM THAT CONTROLLED THE LOCKING AN OPENING OF…
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REAR HATCH WOULD NOT COMPETELY CATCH WHEN CLOSING. IT REQUIRED OPENING AND RECLOSING SEVERAL TIMES BEFORE COULD CATCH. SOON THEREAFTER IT WOULD NOT OPEN USING THE AUTOMATIC RELEASE. IT HAD TO BE OPENED USING THE MANUAL RELEASE ON THE INTERIOR SIDE OF THE DOOR. HAD TO CHANGE THE MECHANISM THAT CONTROLLED THE LOCKING AN OPENING OF THAT.
NHTSA ODI #10882139
128,500 miles · Dec 28, 2015
Electrical SystemStructure
I PURCHASED A USED 2008 MERCEDES BENZ ML350 VIN: [XXX] TODAY, MY POWER LIFT GATE STOPPED OPERATING. I CAN HEAR THE MOTOR RUNNING WHEN I PRESS THE OPEN/CLOSE BUTTON THE DRIVER'S SIDE DOOR, AND ALSO ON MY REMOTE, BUT THE POWER LIFT GATE DOESN'T OPERATE. UPON DOING SOME BASIC RESEARCH, I UNDERSTOOD THAT RECALLS WERE MADE ON …
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I PURCHASED A USED 2008 MERCEDES BENZ ML350 VIN: [XXX] TODAY, MY POWER LIFT GATE STOPPED OPERATING. I CAN HEAR THE MOTOR RUNNING WHEN I PRESS THE OPEN/CLOSE BUTTON THE DRIVER'S SIDE DOOR, AND ALSO ON MY REMOTE, BUT THE POWER LIFT GATE DOESN'T OPERATE. UPON DOING SOME BASIC RESEARCH, I UNDERSTOOD THAT RECALLS WERE MADE ON THE 2009 AND NEWER ML350 DUE TO A FAULTY SEAL WITH THE REAR LIGHTING ASSEMBLY UNIT, WHICH WOULD CAUSE WATER TO LEAK INTO THE SPARE TIRE ASSEMBLY AREA AND CAUSE THE POWER LIFT GATE TO STOP WORKING; IT MAY ALSO CAUSE A FIRE. UPON REMOVING THE SPARE TIRE TO INSPECT THE AREA, I SAW A LARGE POOL OF WATER IN THE AREA. THERE WAS ALSO WATER NEAR THE LEFT BRAKE LIGHT ASSEMBLY. THE WATER APPEARS TO HAVE EVEN CAUSED DETERIORATION OF WIRES ASSOCIATED WITH THE LEFT BRAKE LIGHT ASSEMBLY UNIT. FOLLOWING MY ABOVE OBSERVATIONS, I CHECKED RECALLS AND NOTHING WAS SHOWN FOR MY 2008 ML350, BUT CLEARLY THIS IS ASSOCIATED PROBLEM OF MY YEAR AS WELL. HOW CAN WE GO ABOUT GETTING THIS COVERED? THANK YOU, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10816653
101,250 miles · Apr 6, 2015
Electrical SystemService Brakes
MY ML350 KEPT BLOWING IT'S BRAKE LIGHTS. AFTER AWHILE OF THIS I REALIZED THAT SOMETHING WAS OBVIOUSLY WRONG. AT THIS POINT BOTH LIGHTS WERE OUT AT THE SAME TIME. I TOOK IT IN TO FIND THAT THE SOCKETS WERE BURNT OUT AND NEEDED TO BE REPLACED. I WAS THEN TOLD THAT THE WIRING ALSO NEEDED TO BE REPLACED AND MERCEDES BENZ HAD A FIX F…
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MY ML350 KEPT BLOWING IT'S BRAKE LIGHTS. AFTER AWHILE OF THIS I REALIZED THAT SOMETHING WAS OBVIOUSLY WRONG. AT THIS POINT BOTH LIGHTS WERE OUT AT THE SAME TIME. I TOOK IT IN TO FIND THAT THE SOCKETS WERE BURNT OUT AND NEEDED TO BE REPLACED. I WAS THEN TOLD THAT THE WIRING ALSO NEEDED TO BE REPLACED AND MERCEDES BENZ HAD A FIX FOR IT ALL BUT AT A PRICE. I WAS ALSO TOLD THAT THE C SERIES HAD A RECALL FOR THE SAME PROBLEM. WHY ARE THERE NO RECALL FOR THE ML OR THE M SERIES? *TR
NHTSA ODI #10703825
43,600 miles · Nov 10, 2014
Electrical System
REAR BRAKE LIGHTS WENT OUT WITHIN SHORT PERIOD OF EACH OTHER. CHECKED WITH DEALER, WANTED TO REPLACE WHOLE LIGHT ASSEMBLY. CHECKED ONLINE, TURNS OUT TO BE FAULTY WIRING/INSTALL FOR WHICH MB ACTUALLY HAS A REPAIR KIT. SEEMS TO BE QUITE A FREQUENT PROBLEM. IN FACT THE MB C CLASS WAS RECENTLY RECALLED FOR THAT SAME REASON, WHY NOT …
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REAR BRAKE LIGHTS WENT OUT WITHIN SHORT PERIOD OF EACH OTHER. CHECKED WITH DEALER, WANTED TO REPLACE WHOLE LIGHT ASSEMBLY. CHECKED ONLINE, TURNS OUT TO BE FAULTY WIRING/INSTALL FOR WHICH MB ACTUALLY HAS A REPAIR KIT. SEEMS TO BE QUITE A FREQUENT PROBLEM. IN FACT THE MB C CLASS WAS RECENTLY RECALLED FOR THAT SAME REASON, WHY NOT THE ML350??? *TR
NHTSA ODI #10653782
56,000 miles · Aug 28, 2014
Air BagsElectrical SystemService Brakes
LESS THAN A YEAR AFTER I BOUGHT THE CAR, DURING MONTH OF APRIL 2014, DIFFERENT ERROR MESSAGES STARTED TO APPEAR ON DASH INCLUDING ABS (BRAKE SYSTEM), SRS (AIR BAGS), AND STEERING WHEEL VIBRATING, HARD TO TURN WHEEL, A FEW TAIL/PARKING LIGHTS NOT WORKING. AT SHOP, THEY SAID SENSORS WERE BAD, AND DUE TO MY EXTENDED WARRANTY THEY …
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LESS THAN A YEAR AFTER I BOUGHT THE CAR, DURING MONTH OF APRIL 2014, DIFFERENT ERROR MESSAGES STARTED TO APPEAR ON DASH INCLUDING ABS (BRAKE SYSTEM), SRS (AIR BAGS), AND STEERING WHEEL VIBRATING, HARD TO TURN WHEEL, A FEW TAIL/PARKING LIGHTS NOT WORKING. AT SHOP, THEY SAID SENSORS WERE BAD, AND DUE TO MY EXTENDED WARRANTY THEY REPLACED THE ENTIRE POWER STEERING SYSTEM ($272) BUT SAID TO REPAIR THE AIR BAGS WOULD COST $800. A DIFFERENT MECHANIC SAID UNDER $100 TO FIX AIR BAG SENSORS. NOW, AUGUST 2014, TRUNK LIFT MOTORS ARE KONKING OUT AND THE LOCK IS NOT LATCHING, POPS OPEN WHILE DRIVING, HAVE TO PULL OVER TO SHUT BEFORE EVERYTHING FALLS OUT. ALSO OTHER MOTORS FOR WINDOWS AND SUNROOF WORK INTERMITTENTLY. WHEN TURNING LEFT THE PARKING BRAKE SENSOR LIGHT POPS UP ON DASH....ALSO OUT OF THE BLUE ONE DAY THE WHOLE GPS SYSTEM WAS BLANK, TOTALLY WIPED OF ALL INFO DESTINATIONS, HISTORY ETC FROM PAST YEAR, ONLY A MAP SHOWS NOW. *TR
NHTSA ODI #10629141