DRIVING THE CAR AT 45 MILES AN HOUR, HEARD A BUZZING NOISE GETTING LOUDER AND LOUDER, THE ACCELERATOR WAS PICKING UP SPEED ON ITS OWN, PRESSED THE BRAKES AND THE CAR WASN'T STOPPING, I WAS ON THE HIGHWAY, TOOK THE STEERING WHEEL MADE A HARD LEFT, WAS IN THE LEFT LANE, HIT THE CONCRETE DIVIDER TO AVOID HITTING OTHER CARS, HIT THE CAR IN FRONT THAT CAR HIT THE CAR IN FRONT OF HIM, THE AIRBAG OPENED, KNOCKED ME OUT, THEN I GUESS THE CAR SWERVED DIAGONALLY HIT A CAR IN THE MIDDLE LANE AND THEN HIT THE CONCRETE WALL ON THE RIGHT SIDE, WHEN I CAME TO I HAD TO GET OUT OF THE CAR DUE TO SMOKE, DUST, THE CAR WASN'T RUNNING ANYMORE. THE CAR IS AT ALLSTATE AND I CALLED MERCEDES AND THEY ARE GOING TO INVESTIGATE, DO I NEED TO HIRE A INDEPENDENT COMPANY TO INVESTIGATE. THERE IS SOME DEFEAT IN THIS CAR, I DID LOCATE ANOTHER COMPLAINT ODI ID # 727970. *LA