2015 Mercedes-Benz GL-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.

vehicle2015 / mercedes-benz / gl-class
known issues6 clusters (reviewed 2026-08-30)
complaints35 on file (2014-12-10 → 2026-09-08)
recalls0
investigations0
fars10 occupant deaths, crash years 2010-2024 (legacy-code)
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Camshaft, turbocharger, and timing chain failureENGINE4 complaints2023-02 → 2025-08gl-class-2015-camshaft-turbo-timing-chain
  • 11679345 To Whom It May Concern: I am writing to formally request the National Highway Traffic Safety Administration’s assistance regarding a critical safety defect in my 2015 Mercedes‑Benz GL 450 (M278 engine)
  • 11546616 My 2015 GL550 has 90k miles on it and is city driven, on 09/11/2023 when I was trying to pull out onto a main rd my suv hesitated and the check engine light came on, luckily traffic wasn’t heavy at the time so I wasn’t in any accidents
  • 11508624 Upon receipt of vehicle, when the weather was nice, a rattle in the engine compartment appeared to take place intermittently. Upon diagnosis by a dealership, intermittent was confirmed to take place on a cold start, and not intermittently
Airmatic air suspension failureSUSPENSION2 complaints2018-08 → 2022-01gl-class-2015-airmatic-suspension-failure
  • 11448309 The airmatic system in this vehicle fails continuously, causing the vehicle to bump up and down while driving. Unsafe to drive
  • 11121091 GL 450 WITH VIN [XXX] EXPERIENCED EXACT PROBLEM DEFINED BY NHTSA RECALL # 18V272 IN MAY 2018 (2 OR 3 WEEKS PRIOR TO RECEIVING RECALL NOTICE FROM MERCEDES-BENZ USA)
Second-row seat and headrest defectSEATS4 complaints2014-12 → 2022-10gl-class-2015-second-row-seat-headrest-defect
  • 11488454 There are many models of the gl550 ranging from 2012-2015, where the second row driver side seats get stuck in a downward position. Recently it happened to me and another gl550 was in the shop at Mercedes North Houston for repair for the same issue
  • 10816202 SECOND ROW HEAD REST DOES NOT ADJUST TO DIFFERENT POSITIONS MAKING IT UNSAFE FOR CHILDREN
  • 10669746 TRIED TO INSTALL CHILD SAFETY SEATS IN 2ND ROW SEATS. THE 2ND ROW HEADRESTS PREVENT THE PROPER INSTALLATION OF THE CHILD SAFETY SEATS. THE HEADRESTS CANNOT BE REMOVED, OR MOVED OUT OF THE WAY SO THAT THE CHILD SAFETY SEATS CAN BE INSTALLED PROPERLY
Engine wiring harness damage and stallingELECTRICAL SYSTEM, ENGINE3 complaints2018-09 → 2025-09gl-class-2015-engine-wiring-harness-failure
  • 11690238 My 2015 Mercedes-Benz GL63 AMG has suffered two separate ECU failures caused by oil migrating through the engine wiring harness. The first failure occurred at ~42,600 miles in 2020, and the second at ~59,000 miles in 2023
  • 11359766 THE VEHICLE MISFIRED WHILE DRIVING ON CITY STREETS AND PRESENTED A CODE FOR FAULTY IGNITION COILS. UPON INSPECTION, MERCEDES-BENZ SERVICE CENTER FOUND OIL IN THE ENGINE WIRING HARNESS RENDERING THE CAR UNDRIVEABLE
  • 11130224 TL* THE CONTACT OWNS A 2015 MERCEDES-BENZ GL450. WHILE DRIVING 40 MPH, THE VEHICLE STALLED AND THE PRE-SAFETY FUNCTION LIMITED WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS PUSHED OVER TO THE SIDE OF THE ROAD BY THE CONTACT AND PASSENGER
Engine compartment fireUNKNOWN OR OTHER, ENGINE3 complaints2022-06 → 2026-03gl-class-2015-engine-compartment-fire
  • 11728375 My 2015 Mercedes-Benz GLE 450 experienced an unexpected vehicle fire on Feb 13th 2026. The vehicle was just parked when I noticed smoke from the engine. The vehicle caught fire within a short period of time, and 911 was called. There was no known external cause for the fire
  • 11500804 The contact owned a 2015 Mercedes-Benz GL450. The contact stated that the vehicle was in the dealer for 12 days for an oil change. The contact's son drove the vehicle 2 days later, at an undisclosed speed when the vehicle started smoking from the engine
  • 11470389 As I was driving down the freeway the whole vehicle caught on fire and we got out of the car and within 2-3 minutes while car was burned to ashes
Unintended vehicle movementVEHICLE SPEED CONTROL3 complaints2015-06 → 2019-02gl-class-2015-unintended-vehicle-movement
  • 11181422 TL* THE CONTACT OWNS A 2015 MERCEDES-BENZ GL350W. WHILE DRIVING 70 MPH, THE CONTACT'S HUSBAND ENGAGED THE CRUISE CONTROL. WHEN THE DRIVER TAPPED THE BRAKE PEDAL TO DEACTIVATE THE CRUISE CONTROL, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD AND THE VEHICLE ACCELERATED
  • 10983029 TL* THE CONTACT OWNS A 2015 MERCEDES-BENZ GL350. WHILE DRIVING LESS THAN 5 MPH, THE VEHICLE SUDDENLY ACCELERATED AT A HIGH RATE OF SPEED. THE CONTACT APPLIED FORCE TO THE BRAKE PEDAL, BUT THE VEHICLE FAILED TO SLOW DOWN AND CRASHED INTO A PALM TREE
  • 10726816 TL* THE CONTACT OWNS A 2015 MERCEDES BENZ GL450. WHILE IN PARK, THE VEHICLE STARTED TO ROLL FORWARD AS IF THE VEHICLE WERE IN DRIVE. THE VEHICLE ROLLED OVER A CURB AND CRASHED INTO A TREE. THE VEHICLE WAS DRIVEN TO THE DEALER FOR DIAGNOSTIC TESTING, BUT WAS NOT REPAIRED

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
352014-12-102026-09-0823ENGINE:14; UNKNOWN OR OTHER:5; ELECTRICAL SYSTEM:4; SEATS:4; SUSPENSION:3

Recalls all years →

none listed

Investigations all years →

none listed

FARS occupant deaths all years →

crash_yearsoccupant_deathsmatch_typevpic_recovered
2010-202410legacy-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). 2015 Mercedes-Benz GL-Class vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2015/mercedes-benz/gl-class
@misc{wrenchpro_2015_mercedes_benz_gl_class_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2015 Mercedes-Benz GL-Class},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2015/mercedes-benz/gl-class}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

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