Mercedes-Benz GLS 450 problems and complaints, 2019 to 2024
68 NHTSA owner complaints and 20 recalls across 3 model years, 2019 to 2024. Built from NHTSA owner complaints and recalls, generated October 26, 2026.
- 68complaints
- 20recalls
- 6reported crashes
- 2reported fires
- 3reported injuries
Which Mercedes-Benz GLS 450 years should you avoid?
We cover 3 model years of the Mercedes-Benz GLS 450, too few to say which stand out.
NHTSA does not publish sales figures, so these are complaint counts, not a rate per car on the road. A year that sold more cars collects more complaints, and older years have had longer to collect them.
Every model year
Most reported problem areas
Share of the 48 complaints sorted by system, all years together.
- Electrical & infotainment21 (44%)
- Engine & powertrain8 (17%)
- Structure & body6 (12%)
- Brakes4 (8%)
- Steering, suspension & tires4 (8%)
Recalls (20)
Electrical system · 24V207000 · Mar 2024 · model years 2019, 2020
An overheated ground connection can increase the risk of a fire.
Transmission · 24V118000 · Feb 2024 · model year 2020
An engine stall increases the risk of a crash.
Body & glass · 23V177000 · Mar 2023 · model year 2020
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.
Safety · 22V732000 · Sep 2022 · model year 2020
A seat with a seatback lock failure may not properly restrain occupants, increasing the risk of injury during a crash.
Structure · 22V680000 · Sep 2022 · model year 2020
Detached trim bars may cause a road hazard and increase the risk of a crash or injury.
Airbags · 22V466000 · Jul 2022 · model year 2020
An air bag that does not deploy properly can increase the risk of injury in the event of a crash.
Electrical system · 22V365000 · May 2022 · model years 2019, 2020
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.
Safety · 22V232000 · Apr 2022 · model year 2020
An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
Electrical system · 22V231000 · Apr 2022 · model year 2020
An overheated electrical cable can increase the risk of a fire.
Fuel system · 21V961000 · Dec 2021 · model year 2020
A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the risk of a fire.
Safety · 21V818000 · Oct 2021 · model year 2020
Incorrectly assembled seats may not properly restrain an occupant during a crash, increasing the risk of injury.
Safety · 21V354000 · May 2021 · model year 2020
A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.
Safety · 21V288000 · Apr 2021 · model year 2020
Water intrusion into the driver and passenger side 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.
Safety · 21V071000 · Feb 2021 · model year 2020
If the vehicle unexpectedly pulls to one side during an evasive maneuver, it can increase the risk of a crash.
Structure · 21V057000 · Feb 2021 · model year 2020
In the event of a crash where the passenger air bag deploys, an unsecured dashboard could impair the inflation of the passenger air bag, increasing the risk of injury.
Electrical system · 21V058000 · Feb 2021 · model year 2020
Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Electrical system · 20V626000 · Oct 2020 · model year 2020
If the power steering, wiper motor, or left headlight malfunction there could be an increased risk of a crash.
Suspension · 20V329000 · Jun 2020 · model year 2020
Premature wear of the front struts and rear shock absorbers can affect vehicle handling and control, increasing the risk of a crash.
Structure · 20V172000 · Mar 2020 · model year 2020
If the rear crossmember detaches from the vehicle, it can become a road hazard and increase the risk of a crash.
Safety · 19V587000 · Aug 2019 · model year 2020
If a significant volume of water enters the driver and passenger side foot wells, it might cause corrosion and/or short circuits to the electrical components in the area, increasing the risk of fire. In addition, the emergency call (eCall) feature may be disabled; the vehicle may not be able to be unlocked and/or started; and the engine limp-home mode might be activated during driving. These features increase the risk of an injury or crash.