NHTSA Complaint #11614380 — 2010 LINCOLN MKX

The contact owns a 2010 Lincoln MKX. The contact stated while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. Additionally, while the brake pedal was depressed; the contact heard a hissing sound coming from the vehicle. The vehicle was taken to an independent mechanic where it was diagnosed with brake booster failure. The contact was informed that the brake booster needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was unknown.