Home · 2012 Mercedes-benz Gl-class · Complaints

What 76 owners told NHTSA about the 2012 Mercedes-benz Gl-class

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (76)Crash / fire / injury (6)Airbags (40)Brakes (10)Suspension (7)Transmission & drivetrain (5)Engine (4)Electrical system (3)Fuel system (3)Electronic Stability Control (esc) (2)Seat belts (2)Body & structure (1)

2 of 76 complaints match · Transmission & drivetrain · crash/fire/injury only · clear filters

Mar 21, 2016Transmission & drivetrainCrash1 injury

ON JANUARY 8, 2014, THE OWNER OF THE 2012 MERCEDES BENZ GL450 WAS INSIDE HER VEHICLE WITHIN THE GARAGE OF HER RESIDENCE, PREPARING TO LEAVE TO PERFORM ERRANDS. REALIZING SHE NEED TO ATTEND TO HER YOUNG CHILDREN, SHE PUT THE VEHICLE'S ELECTRONIC TRANSMISSION INTO PARK AND WAS EXITING THE VEHICLE WHEN THE GL450 SUDDENLY BEGAN MOVING REARWARD IN REVERSE. THE REVERSING VEHICLE PINNED THE OWNER BETWEEN THE OPEN DRIVER'S DOOR AND THE GARAGE WALL, IMPACTING THE LEFT SIDE OF HER BODY WITH ENOUGH FORCE TO FRACTURE HER PELVIS AND BEND BACK THE HINGES OF THE DRIVER'S SIDE DOOR (SEE ATTACHED PHOTOGRAPH. THE VEHICLE THEN CAREENED OUT OF THE GARAGE WITH HER TWO SMALL CHILDREN INSIDE THE RUNAWAY DRIVERLESS VEHICLE. FEARING FOR THE SAFETY OF HER YOUNG CHILDREN WHO WERE STILL IN THE GL450, THE SEVERELY INJURED OWNER RAN DOWN THE DRIVEWAY TOWARD THE VEHICLE AND REACHED IT JUST BEFORE IT CRASHED INTO A GATE. PLEASE SEE ATTACHED DOCUMENT FOR DETAILS.

NHTSA ODI 10850900

Feb 4, 2016Transmission & drivetrainCrash1 injury

ON 01/08/14, A FEMALE DRIVER OF A 2012 GL 450 WAS STATIONARY, IN THE GARAGE, WITH ENGINE RUNNING. BEFORE SHE EXITED THE VEHICLE TO CHECK ON HER CHILD IN THE REAR OF THE VEHICLE, SHE PRESSED THE PARK BUTTON ON THE DRIVE SELECT ELECTRONICALLY-CONTROLLED COLUMN SHIFTER. AS SHE EXITED AND WALKED AROUND TO HER CHILD, THE TRANSMISSION SUDDENLY SHIFTED INTO REVERSE, THE VEHICLE TRAVELLED BACKWARDS AND PINNED HER BETWEEN THE OPEN DRIVER'S DOOR AND THE GARAGE WALL. LUCKILY, THE VEHICLE'S DOOR HINGE BOLTS BROKE, THE DOOR FOLDED AND SHE WAS ABLE TO EXTRICATE HERSELF, AS THE VEHICLE CONTINUED TO TRAVEL IN REVERSE UNTIL IT WAS STOPPED BY A COLUMN AT THE END OF THE DRIVEWAY. THE DRIVER SUSTAINED MASSIVE DEBILITATING INJURIES. WE BELIEVE THAT BECAUSE OF AT LEAST TWO SERIOUS ENGINEERING MISTAKES AND/OR DEFECTS, THE MERCEDES GL 450 DRIVE SELECT ELECTRONICALLY-CONTROLLED COLUMN SHIFTER FAILED TO ENGAGE INTO PARK. ## VIN PASSED ## MERCEDES-BENZ GL450 2012 ##

NHTSA ODI 10824225

Working with the data? Download all 76 complaints as CSV · fetched from NHTSA July 26, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2012 Mercedes-benz Gl-class verdict →