Free. Instant. No signup. Pulls recalls and complaints for your exact vehicle.

Couldn't find that VIN. Check the digits and try again.

ProblemsByVin Index / 2021-MERCEDES-BENZ-G-CLASS / COMPLAINTS
Full complaint record · NHTSA

2021 Mercedes-Benz G-Class owner complaints

5 complaints filed with NHTSA on this vehicle , including 1 reporting a crash, fire, injury, or fatality. Listed by category, newest first within each section.

electrical 3 complaints shown

3 total in this category · moderate · avg repair $850 · see electrical cluster analysis →
09/21/2022 ODI #11485579.0

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 Shopping Center, that was two lights away. I had turned on my 21 MB G550 air conditioner to auto (off prior). While I was attempting to switch on my turn signal the car suddenly turns-off completely in mid-drive. All warning lights illuminated, steering this 6,000 lbs Mercedes-Benz Beast of a SUV became extremely difficult, as I was already in the sharp right handed turn! I immediately switched on my Mercedes-Benz hazards. I couldn’t apply my breaks immediately, because other vehicles were less

06/16/2021 ODI #11421207.0

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, placed the vehicle in park (as it seems that the failure put the car into neutral). I was able to restart the vehicle and continue driving home with no warning lights or issues. (Several other owners are having this same issue-I found them by googling the problem). My vehicle has under 5k miles on it and is always stored indoors in a climate controlled environment.

06/05/2024 ODI #11592609.0

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 could not find anything wrong. Several months later the vehicle stopped/stalled almost causing an accident on the highway. This time the dealership did find something wrong and repaired or replaced it. Not sure exactly what it was but they mentioned something electrical Several months after this error messages began to appear on the dashboard and the car would not start. A tow truck had to take it back to the dealership. The vehicle has now been at the dealership for 4 months since February 8, 2

suspension 1 complaint shown

08/27/2023 Crash ODI #11540970.0

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

brakes 1 complaint shown

01/17/2024 ODI #11566025.0

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

Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-07-26. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
Sponsored
Get a free warranty quote →