repaired · 2026 Q3
Doors: lock
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.
2021 Mercedes-Benz G 550Problems, recalls & complaints
NHTSA has logged 7 owner complaints about the 2021 Mercedes-Benz G 550, most often about the electrical system. It is covered by 7 safety recalls, and for recall 21V-353 the manufacturer reports only 83% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 3, 2026. Updated daily.
Complaints by system
Where the 2021 Mercedes-Benz G 550 has problems
7 complaints grouped by the system owners reported.
4Electrical system
3Engine
2Fuel/propulsion system
1Service brakes
1Suspension1 crash/fire/injury
1Air bags
1Vehicle speed control
1Forward collision avoidance1 crash/fire/injury
1Seat belts
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 4 | 0 |
| Engine | 3 | 0 |
| Fuel/propulsion system | 2 | 0 |
| Service brakes | 1 | 0 |
| Suspension | 1 | 1 |
| Air bags | 1 | 0 |
| Vehicle speed control | 1 | 0 |
| Forward collision avoidance | 1 | 1 |
| Seat belts | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
7 recalls
2021 Mercedes-Benz G 550 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2025 Q2
Delivery: fuel pump
Risk. A loss of drive power can increase the risk of a crash.
repaired · 2025 Q1
Electrical system: wiring
Risk. A loss of anti-lock brakes or electronic stability control can increase the risk of a crash.
repaired · 2026 Q2
Communication: auto crash notification
Risk. A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency…
Show 3 more recalls
repaired · 2023 Q2
Rear/other: retractor
Risk. An unsecured child restraint system can increase the risk of injury during a crash.
repaired · 2023 Q2
Doors: latch
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.
repaired · 2023 Q1
Sensor: occupant classification
Risk. Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.
Best & worst years
2021 vs. every other G 550 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the G 550 median. How we score
'09'10'11'13'14'15'16'17'18'19'20'21'22'23'25
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What G 550 owners report
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
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…
Driving 2021 Mercedes-Benz G-550 for approximately 8min. Preceding East on a 3 lane South Florida Highway no more than 40 mph. Gas tank 75% full with V-Power From Shell. (filled-3 days prior). Proceeded from the middle lane to the right lane in-order to make a sharp right handed turn onto up coming…
Own a 2021 G 550?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.