There are 2 owner-reported brakes complaints for the 2009 Mercedes-Benz GL-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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 was provided. The vehicle was towed to a tow lot. The contact received NHTSA Campaign Number: .2V315000 (Service Brakes, Hydraulic). after the failure was experienced. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure but provided no additional assistance. The manufacturer requested that he preserve the vehicle. The vehicle was deemed a total loss. The failure mileage was approximately 200,000.
The contact owns a 2009 Mercedes-Benz GL450. The contact stated while driving at an undisclosed speed, the brake pedal was depressed, and the vehicle started shuddering. The check engine warning light was illuminated. The vehicle was towed to the dealer who informed the contact that the vehicle was not safe to drive. The vehicle was towed to the dealer where the recall repair of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) was completed; however, after the recall repair was completed, the vehicle failed to start. The dealer replaced the battery and completed other unknown repairs on the vehicle. The contact stated that he picked up and drove the vehicle to his residence; however, the vehicle failed to start the next day. The vehicle was towed to the dealer. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that they would reimburse the rental car cost. The failure mileage was approximately 143,300.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026