CAR: MERCEDES BENZ E350 2008. ON 3RD FLOOR OF PARKING CAR GARAGE, WITHIN TIGHT CONFINED SPACE, WHEN PULLING IN CAR TO PARK TURNING 90 DEGREES, CAR SUDDENLY ACCELERATED VIOLENTLY, POWERED OVER 9-INCH BARRIER CURB AND RAMMED INTO CONCRETE PILLAR. THE CAR CONTINUED TO ACCELERATE FOR FEW SECONDS EVEN WITH FULL BRAKES AND DID NOT STOP BEFORE PUTTING INTO PARKING GEAR.