Mercedes-Benz G 550 Recalls

The Mercedes-Benz G 550 has 19 recalls spanning 2019 through 2025, with the most serious being a fuel tank weld defect on 2019 models where a leak can develop and, near an ignition source, lead to a fire.

On 2022-2023 models, the fuel pump can shut down without warning, cutting drive power while the vehicle is moving. A separate fuel injector issue on 2019 models can also cause a fuel leak near hot engine or exhaust components, raising the same fire risk as the tank defect. Also on 2019 models, a software fault can cause the engine to stall unexpectedly.

The rear doors have been a recurring concern. On 2019-2021 models, components inside the door latch can fail to hold the door fully closed, allowing it to swing open while driving. A subsequent recall covering 2019-2023 vehicles addresses the same problem on replacement latches installed during prior repair attempts, meaning some vehicles that went through the earlier fix may still be affected. On 2019-2021 models, the front axle wiring harness can chafe against an oil cooler, damaging the wiring and disabling anti-lock brakes and electronic stability control. A separate stability control issue on 2019-2020 models can also deactivate those same systems.

Occupant restraint issues appear across several years. On 2021 models, the rear seatbelt retractors can release their automatic locking function too early, preventing a child safety seat from staying secured in a crash. Also on 2021 models, seatbelt pretensioners and airbags may not deploy correctly in a crash. On 2020 models, loose side crash sensor connectors can delay airbag and seatbelt activation in a side impact. On 2019 models, improperly routed front door wiring can be damaged by normal door operation, potentially disabling side airbags, crash-triggered door unlocking, and emergency location services. A separate 2019 recall covers seatbelt pretensioners that may not fire in a crash.

The 2023 model year has an air conditioning system that may have been filled with the wrong refrigerant, which can leak and ignite in a crash. On 2025 models, a software fault causes the electronic stability program to display an incorrect warning light when the system fails, so the driver may not realize stability control is offline. The 2019-2021 model years have a recall covering the automatic emergency call system, which can fail to connect to emergency services after a crash; a related issue on 2019-2020 models can cause the system to report the wrong vehicle location to responders. Rounding out the list, 2019-2020 models have a mislabeled child safety lock symbol on the rear doors that can indicate the wrong lock status.