Complaints by model year
Each bar is one model year. The most recent years are still collecting complaints.
NHTSA ODI complaints (public domain) · updated 23 Oct 2026
Year by year
| Model year | Complaints | Recalls |
|---|---|---|
| 2026 | 2 | 2 |
| 2025 | 7 | 1 |
| 2024 | 15 | 0 |
| 2023 GLS 450 4MATIC | 7 | 5 |
| 2022 GLS 450 4MATIC | 16 | 10 |
A model year gets its own page when it has enough data for at least three sections
Most common problems
- Unknown or other13
- Forward collision avoidance10
- Electrical system10
- Engine9
- Service brakes8
- Power train5
- Wheels4
- Lane departure4
NHTSA ODI complaints, all model years
Fuel consumption by year
Official Canadian test results for 10 model years, best variant per year. Combined consumption ranges from 11.0–13.2 L/100 km.
| Year | Variant | City | Highway | Combined |
|---|---|---|---|---|
| 2026 | GLS 450 4MATIC SUV · Sport utility vehicle: Standard · Premium gasoline | 12.7 | 9.6 | 11.3 |
| 2025 | GLS 450 4MATIC SUV · Sport utility vehicle: Standard · Premium gasoline | 12.7 | 9.6 | 11.3 |
| 2024 | GLS 450 4MATIC SUV · Sport utility vehicle: Standard · Premium gasoline | 12.7 | 9.6 | 11.3 |
| 2023 | GLS 450 4MATIC SUV · Sport utility vehicle: Standard · Premium gasoline | 12.7 | 10.1 | 11.6 |
| 2022 | GLS 450 4MATIC SUV · Sport utility vehicle: Standard · Premium gasoline | 12.8 | 10.0 | 11.5 |
| 2021 | GLS 450 4MATIC SUV · Sport utility vehicle: Standard · Premium gasoline | 12.0 | 9.8 | 11.0 |
| 2020 | GLS 450 4MATIC · Sport utility vehicle: Standard · Premium gasoline | 12.2 | 10.4 | 11.4 |
| 2019 | GLS 450 4MATIC · Sport utility vehicle: Standard · Premium gasoline | 14.9 | 11.2 | 13.2 |
| 2018 | GLS 450 4MATIC · Sport utility vehicle: Standard · Premium gasoline | 14.3 | 11.4 | 13.0 |
| 2017 | GLS 450 4MATIC · Sport utility vehicle: Standard · Premium gasoline | 14.4 | 11.4 | 13.0 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls
13 campaigns cover the GLS 450 4MATIC; the latest 12 are below.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 AMG GLS 63 4MATIC+, AMG GLE 63 S 4MATIC+ COUPE, AMG GLE 63 S 4MATIC+, AMG GLE 53 4MATIC+ COUPE, AMG GLE 53 4MATIC+, GLE 450 4MATIC COUPE, GLE 350 4MATIC, Maybach GLS 600 4MATIC, GLS 580 4MATIC, GLS 450 4MATIC, GLE 580 4MATIC, GLE 450E 4MATIC, GLE 450 4MATIC, and GLE 350 vehicles. The bolts for the rear seat belts may not be tightened properly.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE 450 4MATIC, GLE 350, GLE 580 4MATIC, GLS 580 4MATIC, GLE 450 E 4MATIC, AMG GLE53 4MATIC, AMG GLS63 4MATIC, AMG GLE63 S 4MATIC, GLS 450 4MATIC, and GLS 600 4MATIC vehicles. The passenger air bag fabric may have been manufactured incorrectly, which can cause the air bag not to deploy as intended.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 GLE 350 4MATIC, 2025 GLE 450e 4MATIC, GLE 450 4MATIC Coupe, GLE 450 4MATIC, GLS 450 4MATIC, Maybach GLS 600 4MATIC, AMG GLE 53 4MATIC, AMG GLE 53 4MATIC Coupe, AMG GLE 63 S 4MATIC Coupe, and AMG GLS 63 4MATIC vehicles. The multi-purpose camera and the rearview mirror may be insufficiently attached to the windshield and may detach.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 GLE 350, 2020-2024 GLE 450, 2020-2023 GLS 580, GLE 580, 2019-2023 GLS 450, 2021-2023 Maybach GLS 600, AMG GLS 63, 2021-2024 AMG GLE 53, AMG GLE 53 Coupe, and AMG GLE 63 S vehicles. A 48-Volt ground connection under the passenger seat may not be secured properly, resulting in the ground connection overheating.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2023 GLE 450 and GLS 450 vehicles. The transmission may not fully downshift in certain conditions, causing the engine to stall.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2024 GLE, GLS, C-Class, E-Class, S-Class, SL, GLC, CLS, AMG GT, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, causing a loss of drive power.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 GLE350, GLE450, GLE580, GLS450, GLS580, Maybach GLS600, AMG GLE53, AMG GLE63 S, and AMG GLS63 vehicles. The rear door window trim bars may detach from the vehicle while driving.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2022 GLE350, GLE450, 2022 AMG GLE53, AMG GLE63, and GLS450 vehicles. The steering coupling locking screw may loosen and possibly detach from the steering gear, resulting in a loss of steering control.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLS63, 2020-2022 GLS450 and GLS580 vehicles. Due to a manufacturing error, the locks on the third-row seatbacks may fail in the event of a crash.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE350, GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, and 2021 GLE400e, AMG GLS63, AMG GLE63 S, and Maybach GLS600 vehicles. Due to a manufacturing error, the rear door window trim bars may detach.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
NHTSA recalls