The contact owns a 2010 Ford Edge. The contact stated while driving into an apartment complex parking lot, the brake pedal was depressed but felt stiff and failed to travel downward. The contact was unable to stop the vehicle. There was no warning light illuminated. The vehicle drove over the curb, crashed into two HVAC units located in front of the apartment building, and the vehicle stopped. The contact was in shock and unintentionally turned off the vehicle while the vehicle was in drive(D). The air bags did not deploy. The contact sustained whiplash and trauma. The contact received assistance from emergency units but refused to be taken to the hospital. A police report was filed. A mobile mechanic diagnosed that the brake booster had failed and needed to be replaced. The contact stated that the front grill of the vehicle was damaged due to the collision. The vehicle was not repaired. The contact related the failure to an unknown recall. The manufacturer was notified of the failure, but no assistance was provided and transferred the contact to the NHTSA Hotline. The failure mileage was approximately 160,000.