Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.
vehicle
2017 / mercedes-benz / gls-class
known issues
7 clusters (reviewed 2026-08-29)
complaints
42 on file (2016-05-16 → 2026-08-30)
recalls
0
investigations
0
fars
1 occupant deaths, crash years 2010-2024 (legacy-code)
Spontaneous shattering of sunroof or window glassUNKNOWN OR OTHER4 complaints2017-04 → 2025-06gls-class-2017-spontaneous-glass-shatter
11666914 Without warning and while driving, the panoramic glass sunroof suddenly shattered and exploded, sending glass shards and debris into the vehicle cabin
11402698 WE WERE TRAVELING AT ABOUT 85 MILES/ HR PASSING ALBUQUERQUE. ALL OF A SUDDEN WE FELT AND HEARD AN EXPLOSION. MY WIFE AND I BOTH DUCKED AND FORTUNATELY I KEPT MY HANDS ON THE WHEEL. WE LOOKED UP AND THE SUNROOF HAD SHATTERED AND BLOWN OUT
10970780 I LOWER THE PASSENGER CAR WINDOW WHEN I ENTERED THE CAR IN A VERY HOT DAY AND THE WINDOW GLASS EXPLOTED. I TOOK THE CAR TO THE DEALER AND THEY SAID IT WAS NOT A CAR DEFECT. HOWEVER, THE CAR WINDOW GLASS JUST EXPLOTED JUST BY LOWERING IT
Low-beam headlight visibility at nightEXTERIOR LIGHTING5 complaints2017-11 → 2022-03gls-class-2017-dim-headlight-visibility
11455473 Over time, the low beam lights have faded which make it very difficult to see at night
11298065 HEADLIGHTS ARE NOT SAFE. FOWARD VISIBILITY IS VERY POOR. THIS VEHICLE SHOULD NOT BE DRIVEN AT NIGHT ESPECIALLY IN POOR WEATHER CONDITIONS
11045036 THE STANDARD HEADLIGHTS ARE EXTREMELY DIM AND UNSUITABLE FOR NIGHTTIME DRIVING. THEY HAVE A BRIGHTNESS ROUGHLY EQUIVALENT TO PARKING LIGHTS
Transmission valve body or rear axle failurePOWER TRAIN3 complaints2016-08 → 2025-10gls-class-2017-transmission-axle-failure
11695525 My 2017 Mercedes-Benz GLS 450 is experiencing serious and unpredictable transmission behavior related to the valve body and shifting mechanism
11340655 REAR AXLE LOCK UP BRIEFLY MADE A SOUND LIKE SOMEONE REAR ENDED THE CAR AND SNAP THE LEFT SIDE REAR CV AXLE
10896957 REAR DIFFERENTIAL AXLE SEALS WERE DISTORTED, CAUSING FLUID TO LEAD OUT
Seat heater overheating or seat motor failureSEATS3 complaints2016-05 → 2026-07gls-class-2017-seat-heater-motor-failure
11748048 I was driving around and my [XXX] daughter was complaining that the seat was getting super hot . I told her to stop playing with the seat warmer she then replied she was not
11030500 I BOUGHT 2017 GLS 450 IN JULY LAST YEAR 2016.THE PASSENGER SEAT DOES NOT MOVE PROPERLY FORWARD AND BACKWARD
10865047 HEADRESTS IN THE 2ND ROW ARE UNSAFE, IN THE UP POSITION IT HAS NO PROTECTION FOR CHILDREN OR ADULTS, IN THE DOWN POSITION IT PUSHES THE NECK AND HEAD OF ALL PASSENGERS FORWARD
Engine bay fire tied to electrical or fuel system faultELECTRICAL SYSTEM, ENGINE, FUEL/PROPULSION SYSTEM5 complaints2019-03 → 2025-10gls-class-2017-engine-bay-fire
11693202 On July 23, 2025, I drove my Mercedes-Benz GLS 450 to a medical appointment. After arriving, I parked near the valet station, turned off the car, and went inside to check in at LabCorp
11619840 Fire started in the Engine and consumed the entire vehicle in less than 5 minutes
11452172 Our car, Mercedes GLS 450, caught on fire after pulled into the garage from a short drive on local streets, which resulted a total loss on our house
Power steering loss or lane-assist swerveSTEERING4 complaints2017-04 → 2023-06gls-class-2017-steering-lane-assist-swerve
11529734 The contact stated that upon starting the vehicle after driving in a rainstorm, the power steering malfunction message was displayed. While driving approximately 70 MPH, the power steering became inoperable
11048747 WHEN IN DISTRONIC+ WHICH INCLUDES LANE KEEPING ASSIST, MY CAR SWERVES SHARPLY OUT OF ITS LANE FOR NO APPARENT REASON WHICH, WHILE INFREQUENT, COULD CAUSE AN ACCIDENT
10969872 WHILE DRIVING DOWN THE TURNER TURNPIKE (BETWEEN TULSA AND OKC, AROUND 70-75MPH)THE VEHICLE WITHOUT WARNING HAS SWERVED LEFT AND RIGHT ON THREE DIFFERENT OCCASIONS
Airmatic air suspension system failureSUSPENSION2 complaints2024-03 → 2024-12gls-class-2017-airmatic-suspension-failure
11628461 This is the 2nd time within a year my airmatic suspension system has went out while driving and I have lost control of driving my vehicle. I have paid 3900 to have the problem repaired it has not been a year and the same issue has happened
11577198 My suspension failed would not send any air pressure to lift my vehicle while driving my car ride was very bumpy and I loss contol
FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.
Cite this
Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.
Wrench.Pro (2026). 2017 Mercedes-Benz GLS-Class vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2017/mercedes-benz/gls-class
@misc{wrenchpro_2017_mercedes_benz_gls_class_2026,
author = {Wrench.Pro},
title = {Wrench.Pro vehicle data: 2017 Mercedes-Benz GLS-Class},
year = {2026},
howpublished = {\url{https://www.wrench.pro/data/vehicles/2017/mercedes-benz/gls-class}},
note = {Derived from NHTSA public records. CC BY 4.0.}
}
