TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ ML 350. THE CONTACT STATED THAT WHILE DRIVING 45 MPH, THE VEHICLE STARTED TO DECELERATE WITHOUT WARNING. ALSO, THE CONTACT MENTIONED THAT SMOKE STARTED TO EMIT FROM THE ENGINE COMPARTMENT. THE VEHICLE WAS NOT REPAIRED OR DIAGNOSED. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 87,000.