https://plaincars.com/make/mercedes-benz-ml550 New NHTSA complaints and recalls filed for the Mercedes-Benz Ml550. en-us Sun, 18 Oct 2026 08:39:02 GMT https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-2124902 Thu, 28 Aug 2025 00:00:00 GMT Engine died and won't run. Known issue with MB balance shaft that they refuse to repair or help with the cost of a $8k job. Highly disappointed. https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-2047854 Fri, 13 Dec 2024 00:00:00 GMT I purchased a new vehicle from the dealer in 2014 in 2019 the wood grain trim cracked. I had this replaced by the dealer in 2019. Now again, in 2024, the same issue the wood grain has cracked. This should not be happening every few years. https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1981109 Fri, 05 Apr 2024 00:00:00 GMT The contact owns a 2009 Mercedes-Benz ML550. The contact stated while driving at various speeds and depressing the brake pedal, the brake pedal went to the floorboard and seized. Additionally, the vehicle failed to respond. There was no warning light illuminated. The contact continuously depressed the brake pedal until the brake pedal raised off the floorboard. The contact received notification of https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1896090 Fri, 19 May 2023 00:00:00 GMT unknown https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1880276 Wed, 15 Mar 2023 00:00:00 GMT In the last year, randomly, when starting the vehicle, the yellow check engine light comes on. Turn the vehicle off, it is gone. The side view mirrors have the yellow lights lit up on them when driving down any road, the red warning lights that tell you there's something behind or in front of you start going off for no reason while driving down any road, all the "safety" and lane assist feature https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1880277 Wed, 15 Mar 2023 00:00:00 GMT In the last year, randomly, when starting the vehicle, the yellow check engine light comes on. Turn the vehicle off, it is gone. The side view mirrors have the yellow lights lit up on them when driving down any road, the red warning lights that tell you there's something behind or in front of you start going off for no reason while driving down any road, all the "safety" and lane assist feature https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1880278 Wed, 15 Mar 2023 00:00:00 GMT In the last year, randomly, when starting the vehicle, the yellow check engine light comes on. Turn the vehicle off, it is gone. The side view mirrors have the yellow lights lit up on them when driving down any road, the red warning lights that tell you there's something behind or in front of you start going off for no reason while driving down any road, all the "safety" and lane assist feature https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1865220 Thu, 12 Jan 2023 00:00:00 GMT The turn indicators stop working suddenly and randomly giving inaccurate/false indication to the driver of the vehicle that indicators are turned on and no indication of turn signal to the other drivers that can be hazardous especially at the 4 way stop signs where other drivers are assuming that vehicle is going straight where as the vehicle is intending to turn left but it is doing it without th https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1865221 Thu, 12 Jan 2023 00:00:00 GMT The turn indicators stop working suddenly and randomly giving inaccurate/false indication to the driver of the vehicle that indicators are turned on and no indication of turn signal to the other drivers that can be hazardous especially at the 4 way stop signs where other drivers are assuming that vehicle is going straight where as the vehicle is intending to turn left but it is doing it without th https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1864214 Mon, 09 Jan 2023 00:00:00 GMT The contact owns a 2008 Mercedes-Benz ML550. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Par https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1838204 Sat, 03 Sep 2022 00:00:00 GMT Cooper Tire Evolution 245/65R17 - Tire Tread Separation - the entire tread out layer came off of the driver side front tire while driving on the freeway - the tire was not deflated - the entire tread hit the driver side mirror breaking it completely off - hitting driver window and deploying all airbags on driver side of the vehicle. The tire itself still was fully aired and full circle entire ou https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1828649 Tue, 26 Jul 2022 00:00:00 GMT In mid February/early March the brakes failed while the vehicle was moving in a parking lot. After exiting the vehicle with the emergency brake on, I found a pool of brake fluid under the car. After towing it home, I had to make the decision to leave the car sitting as I did not have the financial resources to take it to an authorized mechanic as I had lost my job in January. In May learned of the https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1815554 Tue, 31 May 2022 00:00:00 GMT The contact owns a 2008 Mercedes-Benz ML550. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. An unknown local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. Th https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1813331 Wed, 18 May 2022 00:00:00 GMT The break line in the rear locate right above the gas tank is corroded by rust due to the clip is holding the break line allows the moisture to accumulate. The car will lose its break completely when this happens. There is no way for the car owner to inspect this problem until the car has no break power. https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1800018 Mon, 07 Mar 2022 00:00:00 GMT back sit the seat belt locks in place and it does not lose its locked mechanics. I have found that several people are having the same problem. here is a link to a website Video describing the problem. https://www.youtube.com/watch?v=zwZmUSWNOlk. I have found the problem is a small baring locking the belt. Please let me know if you need more info. As of now we are down to a 2 back passenger ca https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1786650 Wed, 05 Jan 2022 00:00:00 GMT safety defect rear sam acting up after rain . no lights no fuel gauge no remote no turn signal while driving almost had an accident https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1786651 Wed, 05 Jan 2022 00:00:00 GMT safety defect rear sam acting up after rain . no lights no fuel gauge no remote no turn signal while driving almost had an accident https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1767931 Sun, 12 Sep 2021 00:00:00 GMT My NHTSA #11431874 I have made a complaint about my back computer was damage by water where the is installed on the right side of my car now I found out that the reason my chairs are not moving is because the electrical is also damage this is so unfair the problem is not my car but the ways and place they installed the computer?? https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1767932 Sun, 12 Sep 2021 00:00:00 GMT My NHTSA #11431874 I have made a complaint about my back computer was damage by water where the is installed on the right side of my car now I found out that the reason my chairs are not moving is because the electrical is also damage this is so unfair the problem is not my car but the ways and place they installed the computer?? https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1766884 Mon, 06 Sep 2021 00:00:00 GMT The back computer seat on the top of the was supposed to be draining out of the car instead the water retrain in the cause damage to my the computer I complained about it but never got a solution until the water damage the and saw for the first time where was the water on back of my car this was careless why put computer on the top of water that caused the damage and problem for my car? https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1766885 Mon, 06 Sep 2021 00:00:00 GMT The back computer seat on the top of the was supposed to be draining out of the car instead the water retrain in the cause damage to my the computer I complained about it but never got a solution until the water damage the and saw for the first time where was the water on back of my car this was careless why put computer on the top of water that caused the damage and problem for my car? https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1756881 Mon, 12 Jul 2021 00:00:00 GMT smells badly for gas in cabin and outside https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1733490 Sat, 13 Mar 2021 00:00:00 GMT THIS VEHICLE HAS MAJOR PROBLEM WITH REAR SAM AND SEAT NO POWER. EVER SINCE THIS ML WAS MADE 10 CAR I HAD WAS BOUGHT SAM AND NO POWER TO THE SEAT FRONT https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1667189 Fri, 05 Jun 2020 00:00:00 GMT SINCE I PURCHASED THE CAR, THE SUSPENSION HAS BEEN A MAJOR ISSUE. WHEN THE SUSPENSION IS FAULTY, SOMETIMES THE CAR IS STUCK DOWN- NOT ALLOWING THE CAR TO RISE SO WHENEVER I DRIVE THROUGH A SPEED BUMP, MY CAR SCRUMPS/SCRATCHES THE BUMP. I HAVE TO FIX IT TWICE OR MORE EVERY YEAR AND IT IS QUITE FRUSTRATING. I WOULD APPRECIATE INVESTIGATION INTO THIS AS THIS IS CAUSING FINANCIAL STRAIN ON ME AND MY https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1651072 Mon, 02 Mar 2020 00:00:00 GMT RIGHT PASSENGER TURBO FAILED AFTER 50,000 MILES SEVERAL THOUSAND DOLLARS TO FIX https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1475119 Tue, 12 Jun 2018 00:00:00 GMT TAKATA RECALL TO DATE NOTHING HAS BEEN DONE TO REMEDY MY PASSENGER AIRBAG. https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1430101 Mon, 04 Dec 2017 00:00:00 GMT TAKATA RECALL ITS ALMOST 2 YEARS SINCE THE RECALL AND PARTS ARE STILL NOT AVAILABLE TO REMEDY THE PROBLEM https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1425478 Wed, 15 Nov 2017 00:00:00 GMT TAKATA RECALL...I HAVE HAD A RECALL FOR A VERY LONG TIME ON MY AIR BAGS AND HAVE NEVER BEEN CONTACTED BY MERCEDES AGAIN AFTER THE INITIAL RECALL. I AM DRIVING AROUND WITH A POTENTIALLY DEADLY DEVICE IN MY VEHICLE. I FIND THIS RIDICULOUS ESPECIALLY SINCE I AM DRIVING A MERCEDES WHICH IS SUPPOSED TO BE ONE OF THE SAFEST VEHICLES! RECALL NUMBER 16V081. MFG RECALL NUMBER 2016020003 https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1386615 Thu, 22 Jun 2017 00:00:00 GMT TL* THE CONTACT OWNS A 2013 MERCEDES-BENZ ML550. WHILE DRIVING AT LEAST 55 MPH DOWN A HILL, THE CONTACT NOTICED THAT THE VEHICLE WOBBLED AND SHOOK WHILE DEPRESSING THE BRAKE PEDAL. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF LITTLETON (8070 S BROADWAY, LITTLETON, CO 80122 (303) 738-7700) WHERE IT WAS DIAGNOSED THAT ALL FOUR ROTORS WERE WARPED FROM ONE AP https://plaincars.com/make/mercedes-benz-ml550 https://plaincars.com/make/mercedes-benz-ml550#complaint-1373016 Mon, 24 Apr 2017 00:00:00 GMT MY POWER STEERING PIN BROKE AND THERE WAS A RECALL ON THIS SAME EXACT THING AND MY VEHICLE WAS NOT COVERED