TL* THE CONTACT OWNED A 2006 MERCURY MONTEGO. WHILE DRIVING 35 MPH, THE VEHICLE IN FRONT SUDDENLY STOPPED AND CAUSED IT TO BE REAR ENDED BY THE CONTACT'S VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THERE WERE NO WARNING INDICATORS ILLUMINATED PRIOR TO THE COLLISION. THE CONTACT SUSTAINED CHEST PAINS, BUT NO MEDICAL ATTENTION WAS REQUIRED. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A TOW LOT AND DEEMED A TOTAL LOSS. THE VEHICLE WAS NOT INSPECTED BY AN INDEPENDENT MECHANIC OR DEALER FOR AIR BAG FAILURE DETERMINATION. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.