2018 Mercedes-Benz GLS-Class: raw data

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.

vehicle2018 / mercedes-benz / gls-class
known issues5 clusters (reviewed 2026-07-20)
complaints22 on file (2018-05-25 → 2026-07-06)
recalls0
investigations0
fars3 occupant deaths, crash years 2010-2024 (legacy-code)
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Panoramic sunroof glass panel shatteringSTRUCTURE3 complaints2018-11 → 2022-03gls-class-2018-sunroof-shatter
  • 11457706 While driving our 2018 Mercedes GLS 450 down Highway 80 just outside Sacramento, CA, the stationary glass panel of our panoramic sunroof spontaneously explpoded. There was no impact by any outside force, it just shattered with the sound similar to a gunshot…
  • 11154785 I WAS DRIVING IN A RURAL AREA WHEN ALL OF A SUDDEN I HEARD WHAT SOUNDED LIKE AN EXPLOSION. MY FIRST INSTINCT WAS THAT I HAD BLOWN A TIRE BECAUSE IT WAS SO LOUD. HOWEVER, THE CAR WAS HANDLING FINE AND NO WARNING MESSAGES CAME ON. MY HUSBAND AND I BOTH SAID "WHAT WAS THAT?"…
Brake system failure to stop vehicleSERVICE BRAKES4 complaints2020-09 → 2025-08gls-class-2018-brake-failure
  • 11683217 Brake brakes are terrible. They have other years that they’ve acknowledge that the break are spongy and at times does not break the GLS has that defect. Also smell of gas fumes inside the vehicle. Please direct me the right way and help me with this issue…
  • 11353649 I WAS ALREADY 90% IN PARKING LINE WHICH IS HANDICAP'S. ABOUT TO STOP RIGHT FRONT OF HANDICAP SIGN, SUDDENLY VEHICLE START MOVING FORWARD WHILE MY FOOT WAS IN BRAKE SO I PUSH LITTLE HARD TO COMPLETE STOP BUT VEHICLE SUDDENLY ACCELERATE FORWARD SMASHING INTO THE BUILDING…
Suspension system malfunctionSUSPENSION3 complaints2025-04 → 2026-07gls-class-2018-suspension-malfunction
  • 11748540 The contact owns a 2018 Mercedes-Benz GLS 550. The contact stated while driving at various speeds, the vehicle made an abnormal clicking sound when making a right turn, and an abnormal ticking sound at startup. There was no warning light illuminated.…
  • 11656041 When attempting to rise/lower the automatic suspension, the compressor cooling notification pops up, followed by a malfunction. After this occurs, the vehicle is incredibly bumpy, to the point of it being unsafe to drive.…
Uncommanded shift into neutralPOWER TRAIN2 complaints2018-06 → 2018-11gls-class-2018-neutral-shift
  • 11150448 I FOUND OUT THAT ONLY ON 2018 MERCEDES GLS MODELS, THE CAR LETS YOU TURN OFF THE ENGINE WITHOUT A WARNING AND PUTS THE CAR IN NEUTRAL AUTOMATICALLY. IT DOES NOT PUT THE CAR TO 'P' OR GIVES YOU A WARNING SAYING YOU NEED TO PUT THE GEAR TO 'P' TO STOP THE CAR.…
  • 11101953 WHILE IN MOTION ON A HIGHWAY IN STOP AND GO TRAFFIC, CAR SHIFTED ITSELF FROM DRIVE TO NEUTRAL WITHOUT ANY DRIVER INPUT. ALL INDICATOR LIGHTS ON DASH TURNED ON. DRIVER UNABLE TO SHIFT FROM NEUTRAL BACK TO DRIVE TO REGAIN CONTROL OF VEHICLE. DRIVER COULD ONLY SHIFT TO PARK.…
Engine compartment fireENGINE3 complaints2018-08 → 2025-12gls-class-2018-engine-fire
  • 11436804 The contact owned a 2018 Mercedes Benz GLS450. The contact stated that after turning the ignition switch off, the driver suddenly discovered flames were coming from the engine compartment. The fire department was called to the scene and extinguished the flames.…
  • 11703281 January 2023 - Airbag suspension failed. Replaced by Mercedes dealership. December 2024 - Airbag suspension failed. Replaced by Mercedes dealership. April 2024: First brake failure. The brakes stopped while driving. Repaired.…

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
222018-05-252026-07-0613SERVICE BRAKES:5; SUSPENSION:4; UNKNOWN OR OTHER:4; ELECTRICAL SYSTEM:3; ENGINE:2

Recalls all years →

none listed

Investigations all years →

none listed

FARS occupant deaths all years →

crash_yearsoccupant_deathsmatch_typevpic_recovered
2010-20243legacy-code0

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). 2018 Mercedes-Benz GLS-Class vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2018/mercedes-benz/gls-class
@misc{wrenchpro_2018_mercedes_benz_gls_class_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2018 Mercedes-Benz GLS-Class},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2018/mercedes-benz/gls-class}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

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