2020 Mercedes-Benz G 550: Recalls, Problems & MPG
Here are the deets on the 2020 Mercedes-Benz G 550: 8 recalls, 2 owner complaints and up to 14 mpg combined.
Recalls
8 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Stability control, Transmission & drivetrain Vehicle recall #20V090000 · 2020 · 6,300 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2019-2020 g550 4matic and g63 amg 4matic vehicles. An electrical resistor within the differential locking module May malfunction, interrupting communication between the control unit and the differential locking actuator, possibly resulting in the deactivation of the electronic stability program (esp) and anti-lock brake system (ABS) while driving.
Why it matters: Deactivation of the vehicle stability control system or anti-lock brakes May increase the risk of a crash.
The fix: Mbusa will notify owners, and dealers will inspect the differential locking modules and replace them as necessary, free of charge. The recall began August 21, 2020.
Equipment, Latches & locks Vehicle recall #20V247000 · 2020 · 6,659 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2019-2020 g550 and g63 vehicles. The embossed lock symbol for the child safety lock on the rear doors May indicate the incorrect lock status of the child safety lock.
Why it matters: If an unrestrained child unexpectedly opens a door, they May fall from the vehicle increasing their risk of injury.
The fix: Mbusa will notify owners, and dealers will install a label on the rear doors with the correct operating direction, free of charge. The recall began June 26, 2020.
Communication, Electrical Vehicle recall #21V058000 · 2021 · 1,292,258 vehicles
What's wrong: Please refer to the part 573 report for specific vehicle model details. The software design of the communication module May fail to communicate the correct vehicle location for the emergency call system (ecall) in the event of a crash.
Why it matters: Failure of the ecall system May result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
The fix: Mbusa will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (ota) update, free of charge. The recall began March 12, 2021.
Latches & locks Vehicle recall #21V353000 · 2021 · 17,800 vehicles
What's wrong: Components within the door latch May prevent the rear doors from latching or opening properly.
Why it matters: The rear door May appear closed even when the latch is not fully engaged, allowing the door to open while driving and increasing the risk of injury or a crash. Damaged latch components May prevent the rear door from being opened while inside the vehicle, increasing the risk of injury.
The fix: Dealers will replace the rear door latches, free of charge. Owner notification letters were mailed July 9, 2021.
Airbags Vehicle recall #21V527000 · 2021 · 542 vehicles
What's wrong: The side crash sensor connectors May come loose, which could delay the activation of air bags and seatbelts during a side impact crash.
Why it matters: Air bags and seatbelts that don't function as intended can increase the risk of injury during a crash.
The fix: Dealers will inspect and replace as necessary, the side impact crash sensors, free of charge. Owner notification letters were mailed on September 3, 2021.
Communication, Electrical Vehicle recall #22V365000 · 2022 · 242,722 vehicles
What's wrong: 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.
Why it matters: 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.
The fix: The communication module software will be updated through an over-the-air (ota) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024.
Electrical Vehicle recall #23V097000 · 2023 · 26,116 vehicles
What's wrong: 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).
Why it matters: A loss of anti-lock brakes or electronic stability control can increase the risk of a crash.
The fix: Dealers will inspect and either install a protective sleeve or replace the front axle wiring harness, as necessary, free of charge. Owner notification letters were mailed April 10, 2023.
Latches & locks Vehicle recall #24V659000 · 2024 · 134 vehicles
What's wrong: Components within the right-side rear door latch May prevent the rear doors from latching or opening properly.
Why it matters: The rear door May appear closed even when the latch is not fully engaged, allowing the door to open while driving and increasing the risk of injury or a crash. Damaged latch components May prevent the rear door from being opened while inside the vehicle, increasing the risk of injury.
The fix: Dealers will replace the right-side rear door latches, free of charge. Owner notification letters were mailed October 11, 2024.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Other / unknown (1): no single recurring theme in the descriptions.
- Engine (1): no single recurring theme in the descriptions.
The 2020 Mercedes-Benz G 550 has 2 owner complaints, ranking #3 of 6 G 550 model years for complaints (about average; the typical year has 3). Neighboring years: 2019 (5 complaints, 12 recalls), 2021 (7 complaints, 7 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 4.0 L 8-cyl turbo | Automatic 9-spd | 4-Wheel Drive | 13 | 17 | 14 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2020 Mercedes-Benz G 550.
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FAQ
Does the 2020 Mercedes-Benz G 550 have any recalls?
Yes. NHTSA lists 8 vehicle recalls for the 2020 Mercedes-Benz G 550. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2020 Mercedes-Benz G 550 problems?
Owners have filed 2 complaints with NHTSA. The most-reported areas are other / unknown (1), engine (1).
What gas mileage does the 2020 Mercedes-Benz G 550 get?
EPA ratings run up to 14 mpg combined (4.0 L, Automatic 9-spd), across 1 engine and transmission combos.
Where can I get a 2020 Mercedes-Benz G 550 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.