TL* THE CONTACT OWNS A 2003 MERCEDES BENZ C230. THE CONTACT STATED THAT THERE WAS AN EXCESS OF SMOKE COMING FROM THE TAIL PIPE, BLINDING THE CONTACTS VIEW OF VEHICLE FOLLOWING. THE VEHICLE THEN BEGAN TO LOSE POWER ABNORMALLY AND WAS MOVED FROM THE ROADWAY WHERE IT WAS TOWED TO THE DEALER. THE DEALER ADVISED THAT AN ENGINE VALVE HAD MELTED INTO TWO PIECES AND A PIECE OF THE VALVE WAS FOUND IN THE MANIFOLD. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE AND CURRENT MILEAGES WERE 90,000.