Mercedes-Benz G 550 problems and owner complaints

TL* THE CONTACT OWNS A 2019 MERCEDES-BENZ G550. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V090000 (POWER TRAIN, SERVICE BRAKES, HYDRAULIC, ELECTRONIC STABILITY CONTROL) HOWEVER, THE PART FOR THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 55 MPH AND ATTEMPTING TO EXIT THE FREEWAY, THE VEHICLE VIBRATED AND THE BRAKES ACTIVATED INDEPENDENTLY. THE CONTACT TURNED OFF THE VEHICLE AND RESTARTED AND…

Owner-reported narrative. 500 miles reported. Look up ODI 11321127 at NHTSA ↗

MY 2019 G550 HAS BEEN TO MERCEDES DEALERS TWICE FOR A "FRONT/REAR DIFFERENTIAL LOCK SYSTEM MALFUNCTION" ERROR APPEARING ON THE DISPLAY SCREEN. ALONG WITH THIS IT SHOWS THE ABS AND ESP ARE BE INACTIVE. EACH TIME AT A MERCEDES DEALER THEY REPLACE PARTS AND SAY IT IS FIXED. IT IS NOT FIXED. THIS WEEK I BECAME STRANDED WHEN I PICKED MY DOG UP FROM THE VET AND THIS ERROR MESSAGE APPEARED, ALONG WITH 'ACTIVE DISTANCE ASSIST INOPERATIVE', 'ACTIVE BRAKE ASSIST FUNCTIONS LIMITED', 'BLIND SPOT ASSIST INOPERATIVE', 'STEERING MALFUNCTION INCREASED PHYS…

Owner-reported narrative. 3,350 miles reported. Look up ODI 11323949 at NHTSA ↗

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 …

Owner-reported narrative. Look up ODI 11421207 at NHTSA ↗

On this vehicle the oil pump-oil control valve has malfunctioned. The vehicle has 54000 miles on it and the repair costs $8500. The part is only $300 but the transmission must be removed to repair the vehicle. The safety of people is not compromised by the part. The malfunction has been confirmed by the dealer. The malfunction has been reported to mercedes, the warranty company also. The check engine light came on and notified us there was a problem.

Owner-reported narrative. Look up ODI 11710210 at NHTSA ↗

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 s…

Owner-reported narrative. Look up ODI 11592609 at NHTSA ↗

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, steer…

Owner-reported narrative. Look up ODI 11485579 at NHTSA ↗