2021 Mercedes-Benz G550 recalls and problems

7 recalls and 7 owner complaints on file with NHTSA for the 2021 Mercedes-Benz G550.

7
recalls
7
owner complaints
1
complaints mentioning a crash
1
mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2021 Mercedes-Benz G550 recalls

Latches/locks/linkages: doors, lock

NHTSA campaign 24V659000 · reported September 9, 2024 · Mercedes-Benz USA, LLC · 134 vehicles potentially affected

The problem
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.
The risk
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. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicles in this recall that were previously repaired under recall 21V-353 will need to have the new remedy completed.

Fuel system, gasoline: delivery, fuel pump

NHTSA campaign 23V445000 · reported June 26, 2023 · Mercedes-Benz USA, LLC · 143,551 vehicles potentially affected

The problem
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.
The risk
A loss of drive power can increase the risk of a crash.
The fix
Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.

Electrical system: wiring

NHTSA campaign 23V097000 · reported February 17, 2023 · Mercedes-Benz USA, LLC · 26,116 vehicles potentially affected

The problem
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).
The risk
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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023030005.

Electrical system: software · Communication: auto crash notification

NHTSA campaign 22V365000 · reported May 20, 2022 · Mercedes-Benz USA, LLC · 242,722 vehicles potentially affected

The problem
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.
The risk
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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.

Seat belts: rear/other, retractor

NHTSA campaign 21V483000 · reported June 25, 2021 · Mercedes-Benz USA, LLC · 4,917 vehicles potentially affected

The problem
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."
The risk
An unsecured child restraint system can increase the risk of injury during a crash.
The fix
Dealers will inspect, and replace as necessary, the rear seat belt assemblies, free of charge. Owners notified of the voluntary recall campaign by an interim letter on August 13, 2021. A final letter was mailed on September 24, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Latches/locks/linkages: doors, latch

NHTSA campaign 21V353000 · reported May 14, 2021 · Mercedes-Benz USA, LLC · 17,800 vehicles potentially affected

The problem
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.
The risk
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. Owners may contact MBUSA customer service at 1-800-367-6372. Note: Vehicles repaired prior to this recall must return to dealers to have the remedy performed. MBUSA's numbers for this recall are 2021060007 and 2021060014.

Seats · Seat belts: pretensioner · Air bags: sensor, occupant classification

NHTSA campaign 21V230000 · reported April 1, 2021 · Mercedes-Benz USA, LLC · 8,634 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C-Class, E-Class, E-Class Coupe and Convertible, GLC, CLS, AMG GT 4-door Coupe and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. A faulty electrical contact within the seat position switch may prevent the driver and passenger air bags and seat belt force limiters from properly activating during a crash.
The risk
Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.
The fix
MBUSA will notify owners, and dealers will replace the seat position switches, free of charge. Owner letters were mailed May 21, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021040016.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Oct 3, 2026 · Fuel/propulsion system

The vehicle has fuel smell coming thru cabin vents. Opening the hood the vehicle also has strong fuel smell in engine bay. The hose supplying the fuel rails is cracked and damaged and does not have any heat sheild to prevent the hose from deteriorating.

Oct 1, 2026 · Electrical system

Front Door harness rubs and frays causing the wires to short out. The front windows and door locks work intermittently. SRS failure lights up on dash.

Jun 5, 2024 · Electrical system

Shortly after purchasing a new Mercedes Benz 2021 G550 on […], the SUV started having electrical problems. During early 2022 the vehicle shut off while at a red light and would not restart until a few minutes later. No warning light or error message was seen and when taken to the dealership they could not find…

Jan 17, 2024 · Service brakes

The brakes locked up in the vehicle and computer system nearly causing deadly accident.

Aug 27, 2023 · Suspension · crash reported · fire reported

Authorization failed Limited access is the reason there recalled I can't pair ⁶

G550 model years compared

YearRecallsComplaintsCrashesFires
2018 1000
2019 12500
2020 8200
2021 7711
2022 3200
2023 3000

All Mercedes-Benz G550 years →

Questions

Does the 2021 Mercedes-Benz G550 have any recalls?
Yes. NHTSA lists 7 recalls for the 2021 Mercedes-Benz G550, the most recent reported on September 9, 2024 (Latches/locks/linkages: doors, lock). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2021 Mercedes-Benz G550?
Owners have filed 7 complaints with NHTSA. The most frequently reported area is electrical system (4 complaints), followed by engine (3).
How many 2021 Mercedes-Benz G550 complaints mention a crash or fire?
1 of 7 complaints report a crash and 1 a fire; 15 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received October 3, 2026.