I HAD THE CAR WAS STARTING TO SHIFT GEARS ODDLY AND THAT IT WOULD SEEM LIKE THE CAR WOULD REV HIG RPM WHILE MY FOOT WAS OFF THE GAS PEDAL . I BROUGHT THE CAR TO A MERCEDES DEALER AND HE SAID THE TRANSMISSION WAS FINE . A FEW WEEKS LATER UPON LEAVING A PARKING LOT I HAD ACCELERATED TO LEAVE THE PARKING LOT AND THE CAR SUDDENLY SPED FORWARD COUSING MY TO HIT A POLE .I BROUGHT THE CAR TO A SHOP AND IT SAID ACCELERATOR PEDAL SHORT. I CALLED MERCEDEDS USA AND THEY HAVENT DONE ANYTHING