Home · 2014 Mercedes-benz Gl-class · Complaints

What 38 owners told NHTSA about the 2014 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 (38)Crash / fire / injury (1)Engine (11)Electrical system (4)Steering (4)Brakes (3)Transmission & drivetrain (3)Visibility & wipers (3)Body & structure (2)Engine & cooling (2)Seats (2)Suspension (2)

2 of 38 complaints match · Body & structure · clear filters

Jun 23, 2020Body & structure

AS I WAS DRIVING DOWN ON I-27 FROM AMARILLO TO LUBBOCK AT 70 MILES PER HOUR ON 6/22/2020 IN PLEASANT WEATHER AND NO VEHICLES EITHER IN FRONT OF ME OR BESIDE ME, THE MIDDLE PANEL OF THE PANORAMIC SUNROOF SUDDENLY EXPLODED WITH THE GLASS SHATTERING INTO PIECES AND SOME OF THE PIECES DROPPING INTO THE PASSENGER CABIN. THERE WAS NO ROCK STRIKE, HAIL, NOR WAS I TRAVELING THROUGH ANY CONSTRUCTION ZONE. THE AMBIENT TEMPERATURE OUTSIDE WAS 76 F. *TR

NHTSA ODI 11330419

Aug 15, 2019Electrical systemVisibility & wipersBody & structure

TL* THE CONTACT OWNS A 2014 MERCEDES-BENZ GL450. WHILE OPERATING THE VEHICLE, SEVERAL MESSAGES DISPLAYED REGARDING THE PARKING BRAKE RELEASE, TRANSMISSION, AND THE VEHICLE BEING INOPERABLE. ALSO, SEVERAL ELECTRICAL FEATURES MALFUNCTIONED. THE VEHICLE WAS TOWED TO WORLD WIDE MOTORS INC. (3900 EAST 96TH ST, INDIANAPOLIS, IN) WHERE IT WAS DIAGNOSED THAT THE MAIN VEHICLE WIRE HARNESS WAS DAMAGED DUE TO WATER THAT DRAINED FROM THE SUN ROOF INTO THE PANELS OF THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 57,000.

NHTSA ODI 11244201

Working with the data? Download all 38 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 2014 Mercedes-benz Gl-class verdict →