2021 Mercedes-Benz G 550 Problems, Complaints & Recalls
- Compared with other G 550 years
- Not enough data 1st of 15 for complaints
- Safety recalls
- 7 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 7 complaints with NHTSA about the 2021 Mercedes-Benz G 550. That is the most of any G 550 model year in the database (15 years). The most reported problem area is electrical system (4 complaints, 57%). Complaints mention 1 crash, 1 fire, 15 injuries. There are 7 safety recalls covering this model year.
- 7owner complaints
- 7safety recalls
- 0NHTSA investigations
- 1complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2021 Mercedes-Benz G 550 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Electrical System | 4 | 57% | — | — | — |
| Engine | 3 | 43% | — | — | — |
| Fuel/propulsion System | 2 | 29% | — | — | — |
| Air Bags | 1 | 14% | — | — | — |
| Forward Collision Avoidance | 1 | 14% | — | — | — |
| Seat Belts | 1 | 14% | — | — | — |
| Service Brakes | 1 | 14% | — | — | — |
| Suspension | 1 | 14% | — | — | — |
| Vehicle Speed Control | 1 | 14% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2021 Mercedes-Benz G 550 recalls (7)
Tap a recall to see the problem, the risk and the fix.
Latches/locks/linkages:doors:lock
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.
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.
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
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.
Risk: A loss of drive power can increase the risk of a crash.
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
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).
Risk: A loss of anti-lock brakes or electronic stability control can increase the risk of a crash.
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
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.
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.
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
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."
Risk: An unsecured child restraint system can increase the risk of injury during a crash.
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
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.
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.
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
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.
Risk: Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.
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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
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.
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.
Shortly after purchasing a new Mercedes Benz 2021 G550 on [XXX], 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…
The brakes locked up in the vehicle and computer system nearly causing deadly accident.
Authorization failed Limited access is the reason there recalled I can't pair â¶
Other Mercedes-Benz G 550 years
| Year | Complaints | Recalls |
|---|---|---|
| 2025 G 550 | 0 | 1 |
| 2023 G 550 | 0 | 3 |
| 2022 G 550 | 2 | 3 |
| 2021 | 7 | 7 |
| 2020 G 550 | 2 | 8 |
| 2019 G 550 | 5 | 12 |
| 2018 G 550 | 0 | 1 |
| 2017 G 550 | 0 | 3 |
| 2016 G 550 | 1 | 4 |
| 2015 G 550 | 0 | 2 |
| 2014 G 550 | 1 | 3 |
| 2013 G 550 | 4 | 2 |
| 2011 G 550 | 2 | 1 |
| 2010 G 550 | 0 | 1 |
| 2009 G 550 | 1 | 2 |
See all Mercedes-Benz G 550 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
Similar Mercedes-Benz models
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Frequently asked questions
What are the most common problems with the 2021 Mercedes-Benz G 550?
Owners most often report electrical system, engine, fuel/propulsion system problems. The top one, electrical system, accounts for 4 complaints.
Was there a recall on the 2021 Mercedes-Benz G 550?
Yes, 7 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2021 Mercedes-Benz G 550 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other G 550 model years, the 2021 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.