Mercedes-Benz GL550

The contact owns a 2008 Mercedes-Benz GL 550. The contact stated that while driving 40 MPH, the brake pedal was depressed; however, the vehicle failed to stop as intended. The brake pedal was depressed to the floorboard and the vehicle stopped. The brake failure and front passenger air bag warning lights later illuminated. The vehicle was towed to an independent mechanic to be diagnosed, and it was determined that there was a brake fluid leak in the air suspension system. The contact was…

On 8/5/2026, the power boost on the vehicle was lost while at a nearby shopping center. Braking became very difficult and it was dangerous to drive even a little distance. There were no warning lights from the vehicle. We had it towed to an independent repair shop where they determined the brake booster had failed. They did a recall check and saw that it didn't apply to our specific vehicle. They repaired it which cost $2500. Later, we did research and found that there is an expanded recall,…

Vehicle was parked on the driveway, brake sign came on upon start and system malfunction error showed on screen, vehicle started lowering automatically and Air compressor stopped working.

See attached document for complaint.

The contact owns a 2011 Mercedes-Benz GL550. The contact received notification of NHTSA Campaign Number: 22V315000 (SERVICE BRAKES, HYDRAULIC). The contact stated that while reversing, the brake pedal was depressed with an abnormal hissing sound coming from the brake pedal. The contact stated that the sound was audible since the vehicle was purchased in 2019. The local dealer was contacted. The manufacturer was made aware of the issue. The contact received a vehicle compliance letter from the…

water intrusion into the spare tire well compartment and the battery compartment affecting the battery and starter.

I recently purchased my Mercedes from Auto Boutique in Pearland, Texas (713) 352-0777. 1.The vehicle's air suspension system is constantly grinding, and moving/adjusting while being driven. It feels like the vehicles fame is off balance. 2. The back camera system does not work unless the radio is turned on; which is very alarming not to mention dangerous. 3. All the tires are registering improper inflation errors even though no air has been added or removed. I took the vehicle back to the…

I purchased a this vehicle at a dealership Laurel Ford as is no warranty for $14,000 and not even in a week of me having it the key fob was not working and it’s been giving me problems so now it’s not is not reading the ignition switch and it won’t turn on it’s not drivable, and I have small three kids. I love it but the headache I can’t deal. Please help!!!!

The contact owned a 2009 Mercedes-Benz GL 550.The contact stated that while driving at 15- 20 MPH, the driver in front of him was attempting to turn but swerved to the left in his lane, the brake pedal was applied but delayed to respond. The contact crashed into an unknown minivan. There were no warning lights illuminated. The air bags did not deploy. There was no reported fire. A police report was filed. The passenger occupant sustained injuries to her back and shoulder and medical attention…

The contact owns a 2014 Mercedes-Benz GL550. The contact stated that the check engine warning light was illuminated. The vehicle was taken to the dealer, where it was diagnosed with leaky exhaust valves. The dealer determined that the exhaust valves needed to be replaced. The vehicle was taken to an independent mechanic, where a similar assessment was made. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that the vehicle was not covered under…