Mercedes-Benz GLS450 problems by model year

Updated from NHTSA data · How we count

NHTSA has 53 owner complaints and 20 recalls on file for the Mercedes-Benz GLS450 (2016–2021). The 2017 GLS450 has the most serious complaints, most often about engine.

Complaints
53
Recalls
20
Model years
5
Worst year
2017

Complaints by model year

20161920173201912020302021
NHTSA complaints per Mercedes-Benz GLS450 model year. Click a bar for details.

Newer model years have had less time on the road, so they naturally have fewer complaints. Compare a year against its neighbors rather than against brand-new models.

Worst Mercedes-Benz GLS450 years to buy

Ranked by our severity-weighted complaint score (crashes, fires and injuries count extra — how it works).

  1. 2017 Mercedes-Benz GLS450 — 19 complaints, 1 crash, 5 fires; top problem: Engine
  2. 2021 Mercedes-Benz GLS450 — 30 complaints, 1 crash, 2 fires; top problem: Electrical System

Fewest serious complaints among years at least 3 years old: 2016 (0 complaints).

Every Mercedes-Benz GLS450 model year

YearComplaintsCrashesFiresInjuriesRecallsTop problem
2021 GLS4503012112Electrical System
2020 GLS45010012Fuel, Hybrid & EV Propulsion
2019 GLS45031022Airbags
2017 GLS450191518Engine
2016 GLS45000001—

Most common Mercedes-Benz GLS450 problem areas (all years)

  • Electrical System
    18 complaints
  • Engine
    9 complaints
  • Fuel, Hybrid & EV Propulsion
    8 complaints
  • Driver Assistance & Safety Tech
    5 complaints
  • Seats & Seat Belts
    4 complaints
  • Lighting
    3 complaints
  • Wheels & Tires
    2 complaints
  • Body & Structure
    2 complaints
  • Suspension
    2 complaints
  • Transmission & Drivetrain
    2 complaints

Complaint trend

20202021202320252026
Complaints about the Mercedes-Benz GLS450 received by NHTSA each month.

Mercedes-Benz GLS450 recalls

  • Recall 24V207000Mar 15, 2024116,020 vehiclesModel years 2021

    Risk: An overheated ground connection can increase the risk of a fire.

  • Recall 24V118000Feb 16, 2024105,071 vehiclesModel years 2021

    Risk: An engine stall increases the risk of a crash.

  • Recall 23V445000Jun 26, 2023143,551 vehiclesModel years 2021

    Risk: A loss of drive power can increase the risk of a crash.

  • Recall 23V177000Mar 17, 202361,450 vehiclesModel years 2021

    Risk: Water intrusion into the foot wells may cause corrosion and/or short circuits to electrical components, increasing the risk of fire. In addition, the emergency call (eCall) feature may be disabled and the doors may not unlock, increasing the risk of injury. Also, the engine may not start or may enter a limp-home mode, increasing the risk of a crash.

  • Recall 22V732000Sep 30, 202259,574 vehiclesModel years 2021

    Risk: A seat with a seatback lock failure may not properly restrain occupants, increasing the risk of injury during a crash.

  • Recall 22V680000Sep 12, 2022161,000 vehiclesModel years 2021

    Risk: Detached trim bars may cause a road hazard and increase the risk of a crash or injury.

  • Recall 22V365000May 20, 2022242,722 vehiclesModel years 2017–2021

    Risk: A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

  • Recall 22V231000Apr 8, 202221,306 vehiclesModel years 2021

    Risk: An overheated electrical cable can increase the risk of a fire.

  • Recall 21V832000Oct 22, 202123 vehiclesModel years 2021

    Risk: Detached rear glass can become a road hazard, increasing the risk of a crash.

  • Recall 21V354000May 14, 2021343,191 vehiclesModel years 2021

    Risk: A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.

  • Recall 21V072000Feb 12, 202167 vehiclesModel years 2017

    Risk: A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

  • Recall 21V058000Feb 5, 20211,292,258 vehiclesModel years 2017–2021

    Risk: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

  • Recall 20V089000Feb 14, 20202,101 vehiclesModel years 2020–2021

    Risk: If the interior switches are not illuminated, they may be more difficult to find and operate, increasing the risk of a crash.

  • Recall 19V787000Nov 1, 201924,226 vehiclesModel years 2017

    Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

  • Recall 19V709000Oct 4, 201913,799 vehiclesModel years 2020

    Risk: The detached trim can become a road hazard, increasing the risk of a crash.

  • Recall 18V272000Apr 27, 20189,725 vehiclesModel years 2017

    Risk: The leaking oil in the presence of an ignition source can increase the risk of a fire.

  • Recall 17V816000Dec 18, 20178,700 vehiclesModel years 2017

    Risk: If the door appears to be locked, the door may be unintentionally opened, increasing the risk of injury.

  • Recall 17V655000Oct 17, 20173,620 vehiclesModel years 2017

    Risk: If the passenger's frontal air bag does not function as designed in the event of a crash, the front seat passenger has an increased risk of injury.

  • Recall 17V079000Feb 8, 20174 vehiclesModel years 2016

    Risk: If the windshield detaches in the event of a crash, the passenger frontal air bag may not be supported properly after it deploys, increasing the risk of injury.

  • Recall 17V077000Feb 8, 20175,882 vehiclesModel years 2017

    Risk: In the event of a crash, if objects are not secured within the center console, they may strike the vehicle occupants, increasing their risk of injury.

Other Mercedes-Benz models

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. Methodology