One problem related to brakes failed has been reported for the 2007 Mercedes Benz GL450. The most recently reported issues are listed below.
The contact owns a 2007 mercedes gl 450. The contact stated that when he depressed the brake pedal, it extended to the floorboard. There was a delayed stopping response when the brakes were applied. The vehicle was taken to an authorized dealer who stated that the failure was normal. The dealer changed the brakes but the failure continued to occur. The vehicle was not repaired. The manufacturer was not notified. The current mileage was approximately 38,000. The failure mileage was approximately 5,000.