Model line

Mercedes-Benz GLS 450

Every Mercedes-Benz GLS 450 model year on file, 2018 to 2020. Pick a year for its recalls, investigations, service bulletins and the full text of owner complaints.

Owner complaints, all model years699 involved a crash, fire, injury or death
Model years32018 to 2020
Recall campaigns21Distinct campaigns listing it
Service bulletins465Summed across model years
By model year

The 2020 model year drew the most complaints, 35, 51% of the model's total

Owner complaints filed with NHTSA, all years filed, by model year.

01020304020182019202035
Source: NHTSA ODI. Complaints are not verified by NHTSA, and NHTSA publishes no sales volumes, so counts are not rates.
Components

Electrical system leads the Mercedes-Benz GLS 450 complaint record

Owner complaints across all model years, by component.

Electrical system
22
Engine and cooling
16
Powertrain
8
Driver assistance
8
Fuel system
7
Suspension
6
Brakes
6
Structure
6
Back-over prevention
4
Steering
3
Source: NHTSA ODI complaints file.
Model years

The record for each Mercedes-Benz GLS 450 model year

Peer index compares complaints with the median vehicle of the same model year and body class (100 is the median). It corrects for age, not for how many were sold.

Mercedes-Benz GLS 450 by model year
YearBodyComplaintsSeverity indexPeer indexRecallsInvestigationsBulletins
2020SUV3511.4125200262
2019SUV205.04820116
2018SUV1428.6343087
Source: NHTSA ODI. Body class from NHTSA's VIN decoder where decoded.
Latest recalls

Recent campaigns covering the Mercedes-Benz GLS 450

  • 24V-207 Mar 15, 2024
    48-Volt ground connection under the passenger seat may not be secured properly, resulting in the ground connection overheating
    Electrical system · 116k vehicles
  • 24V-118 Feb 16, 2024
    Transmission may not fully downshift in certain conditions, causing the engine to stall
    Powertrain · 105k vehicles
  • 23V-177 Mar 17, 2023
    Air conditioner drain hoses may have been incorrectly installed, causing water to drain into the passenger compartment
    Visibility and wipers · 61k vehicles
  • 22V-732 Sep 30, 2022
    Due to a manufacturing error, the locks on the third-row seatbacks may fail in the event of a crash
    Seats · 60k vehicles
  • 22V-680 Sep 12, 2022
    Due to a manufacturing error, the rear door window trim bars may detach
    Structure · 161k vehicles
  • 22V-466 Jul 1, 2022
    Front air bag wiring harness may be routed incorrectly, which can cause the air bag not to deploy properly
    Airbags · 81 vehicles
  • 22V-365 May 20, 2022
    Error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system
    Communication · 243k vehicles
  • 22V-232 Apr 8, 2022
    Rearview camera may not display the rearview image due to a software error
    Back-over prevention · 126k vehicles
  • 22V-231 Apr 8, 2022
    Ground cable bolt for the 48V ground connection under the front passenger seat may not be secured properly, which can cause the electrical cable…
    Electrical system · 21k vehicles
  • 21V-961 Dec 13, 2021
    During the manufacturing process, particles may have been trapped between the fuel rail and injectors, which can cause a fuel leak
    Fuel system · 139 vehicles
Source: NHTSA ODI recalls file.