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 |
|---|---|---|
| 2025 | 0 | 1 |
| 2024 | 0 | 0 |
| 2023 | 0 | 3 |
| 2022 | 2 | 3 |
| 2021 G 550 | 7 | 7 |
| 2020 | 2 | 8 |
| 2019 G 550 | 5 | 12 |
A model year gets its own page when it has enough data for at least three sections
Most common problems
- Electrical system6
- Engine4
- Suspension2
- Service brakes2
- Fuel/propulsion system2
- Fuel system, gasoline2
- Electronic stability control (esc)2
- Visibility/wiper1
NHTSA ODI complaints, all model years
Fuel consumption by year
Official Canadian test results for 18 model years, best variant per year. Combined consumption ranges from 13.1–18.6 L/100 km.
| Year | Variant | City | Highway | Combined |
|---|---|---|---|---|
| 2026 | G 550 SUV · Sport utility vehicle: Standard · Premium gasoline | 13.6 | 12.4 | 13.1 |
| 2025 | G 550 SUV · Sport utility vehicle: Standard · Premium gasoline | 13.6 | 12.4 | 13.1 |
| 2024 | G 550 SUV · Sport utility vehicle: Standard · Premium gasoline | 17.9 | 14.4 | 16.3 |
| 2023 | G 550 SUV · Sport utility vehicle: Standard · Premium gasoline | 17.9 | 14.4 | 16.3 |
| 2022 | G 550 SUV · Sport utility vehicle: Standard · Premium gasoline | 16.3 | 13.7 | 15.1 |
| 2021 | G 550 SUV · Sport utility vehicle: Standard · Premium gasoline | 13.6 | 12.4 | 13.1 |
| 2020 | G 550 · Sport utility vehicle: Standard · Premium gasoline | 18.0 | 14.1 | 16.3 |
| 2019 | G 550 · Sport utility vehicle: Standard · Premium gasoline | 18.0 | 14.1 | 16.3 |
| 2018 | G 550 · Sport utility vehicle: Standard · Premium gasoline | 18.2 | 16.5 | 17.5 |
| 2017 | G 550 · Sport utility vehicle: Standard · Premium gasoline | 19.0 | 16.6 | 17.9 |
| 2016 | G 550 · Sport utility vehicle: Standard · Premium gasoline | 19.0 | 16.5 | 17.9 |
| 2015 | G 550 · Sport utility vehicle: Standard · Premium gasoline | 19.9 | 16.1 | 18.2 |
| 2014 | G 550 · Sport utility vehicle: Standard · Premium gasoline | 20.0 | 15.9 | 18.2 |
| 2013 | G 550 · Sport utility vehicle: Standard · Premium gasoline | 20.0 | 15.9 | 18.1 |
| 2012 | G 550 · Sport utility vehicle · Premium gasoline | 20.4 | 15.9 | 18.4 |
| 2011 | G 550 · Sport utility vehicle · Premium gasoline | 20.6 | 16.1 | 18.6 |
| 2010 | G 550 · Sport utility vehicle · Premium gasoline | 20.6 | 16.1 | 18.6 |
| 2009 | G 550 · Sport utility vehicle · Premium gasoline | 20.6 | 16.1 | 18.6 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls
19 campaigns cover the G 550; the latest 12 are below.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2025 G 550, G 580, and AMG G 63 vehicles. The vehicle's electronic stability program (ESP) may display an incorrect warning light during an ESP system failure. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 126, "Electronic Stability Control Systems," and 101, "Control and Displays."
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2023 G 550 and 2019-2022 G63 AMG vehicles that received a replacement door latch during a service visit or prior recall repair. Components within the right-side rear door latch may prevent the rear doors from latching or opening properly.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 AMG G 63 and 2023 G 550 vehicles. The air-conditioning system may not have been filled with the correct refrigerant.
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 2019-2021 G550 and AMG G63 vehicles. The front axle wiring harness may chafe against an oil cooler and become damaged, which can cause a loss of anti-lock brakes (ABS) and electronic stability control (ESC).
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.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 AMG G63, C300, E300, G550, AMG GT63, AMG GT53, 2019-2020 A220, GLA250, GLC300, 2016 C300, 2020 AMG A35, AMG C43, AMG C63, CLA250, E350, E450, GLB250, GLE450, GLS450, GLS580, S560, and SL550 vehicles equipped with a gasoline engine. During the manufacturing process, particles may have been trapped between the fuel rail and injectors, which can cause a fuel leak.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 G550 vehicles. The fuel tank may not have been welded properly during manufacturing, which could result in a fuel leak.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 CLS450, AMG E53, AMG CLS53, E350, E450, AMG GT43, AMG GT53, 2020 S450, S560, G550, AMG GLC63, 2020-2021 GLC300, and AMG G63 vehicles. The side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crash.
Mercedes-Benz, LLC (MBUSA) is recalling certain 2021 G550, AMG G63, E350, E450, AMG CLS53, AMG E53, AMG GT43, AMG GT53, AMG GT63, 2021-2022 CLS450, and AMG E63 vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 G550 and G63 AMG vehicles. Components within the door latch may prevent the rear doors from latching or opening properly.
NHTSA recalls