VehicleVerdict

2021 Mercedes-Benz G 550 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 11 complaints on file for the 2021 Mercedes-Benz G 550 — too few to judge reliability from owner reports alone — but 7 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work. Complainants reported 30 injuries in total across these filings.

11

NHTSA complaints

7

Recalls

0

Investigations

2

Crash-involved

2

Fires reported

30

Injuries

0

Deaths

NCAP overall

How does 2021 compare to other G 550 years?

G 550 NHTSA complaints by model year, 2021 highlighted11 complaints2019: 9 complaints2020: 2 complaints2021: 11 complaints2022: 2 complaints2023: 0 complaints2025: 0 complaints
G 550 NHTSA complaints by model year, 2021 highlighted. Red bars are years to avoid.

See all G 550 years to avoid →

What are the most common 2021 Mercedes-Benz G 550 problems?

ComponentComplaintsShare
Engine327%
Electrical System327%
Suspension19%
Brakes19%
Fuel System19%
Speed Control19%
Driver Assistance19%

Does the 2021 Mercedes-Benz G 550 have recalls?

7 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

24V659000Latches & LocksSeptember 9, 2024 · 134 units

Defect

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.

Consequence

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.

Remedy

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.

23V445000Fuel SystemJune 26, 2023 · 143,551 units

Defect

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.

Consequence

A loss of drive power can increase the risk of a crash.

Remedy

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.

23V097000Electrical SystemFebruary 17, 2023 · 26,116 units

Defect

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).

Consequence

A loss of anti-lock brakes or electronic stability control can increase the risk of a crash.

Remedy

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.

22V365000OtherMay 20, 2022 · 242,722 units

Defect

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.

Consequence

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.

Remedy

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.

21V483000Seat BeltsJune 25, 2021 · 4,917 units

Defect

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."

Consequence

An unsecured child restraint system can increase the risk of injury during a crash.

Remedy

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.

21V353000Latches & LocksMay 14, 2021 · 17,800 units

Defect

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.

Consequence

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.

Remedy

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.

21V230000Seat BeltsApril 1, 2021 · 8,634 units

Defect

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.

Consequence

Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.

Remedy

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.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road,…

Complaint filed with NHTSA · Electrical System · June 16, 2021

While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road,…

Complaint filed with NHTSA · Engine · June 16, 2021

2021 Mercedes-Benz G 550 — common questions

Is the 2021 Mercedes-Benz G 550 reliable?

The record is thin — 11 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 7 recalls should be verified as completed.

What are the most common 2021 G 550 problems?

According to NHTSA complaint data, the leading problem areas are electrical system (3 complaints), engine (3 complaints), fuel system (1 complaints).

Does the 2021 Mercedes-Benz G 550 have recalls?

Yes — NHTSA lists 7 recall campaigns affecting the 2021 Mercedes-Benz G 550. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.