TL* THE CONTACT OWNS A 2003 MERCURY MOUNTAINEER. WHILE THE CONTACT'S VEHICLE WAS APPROACHING A RED LIGHT, ANOTHER VEHICLE CRASHED INTO ITS REAR AT A MODERATE RATE OF SPEED. THE SEAT BACK AND THE HEADREST FRACTURED WITHOUT WARNING. THE CONTACT SUSTAINED EXTENSIVE DAMAGES TO THE NECK AND BACK, WHICH REQUIRED MEDICAL TREATMENT. THE CONTACT INDICATED THAT THE SEAT AND HEADREST WERE NOT STRUCTURALLY SOUND. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED BY THE INSURANCE COMPANY TO A REPAIR SHOP. THE MANUFACTURER WAS NOTIFIED. THE VIN WAS UNKNOWN. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.