AFTER BACKING OUT OF HANDICAP PARKING SPACE AND MOVING FORWARD AT A SLOW SPEED MY VEHICLE WAS REAR-ENDED, AT WHICH POINT THE VEHICLE FORCEFULLY ACCELERATED FORWARD INDEPENDENTLY WITHOUT WARNING AND CRASHED INTO ANOTHER PARKED VEHICLE (FORCEFULLY MOVING THIS VEHICLE APPROXIMATELY THREE FEET) THE VEHICLE CONTINUED TO SPEED THROUGH THE HANDICAP PARKING LOT AS I CONTINUED TO BRAKE WITHOUT RESULTS OF STOPPING. THIS VEHICLE RAN THROUGH A STOP SIGN AND INTO THE FRONT ENTRANCE ROAD OF THE VA HOSPITAL.( THIS ROAD HAS HEAVY TRAFFIC AND PEDESTRIAN USAGE) THE ONLY WAY TO STOP MY VEHICLE WAS TO JUMP THE CURB AND RUN INTO A TREE. I FEEL VERY FORTUNATE THAT MY VEHICLE WAS THE ONLY THING DAMAGED. THIS COULD HAVE BEEN A DEVASTATING EVENT IF DISABLED WHEELCHAIR PERSONS OR PEDESTRIANS HAD BEEN IN THE PATH OF THIS OCCURRENCE. I AM REPORTING THIS TO SAY THAT THIS HAS HAPPENED TO OTHER C300 2010 MERCEDES BENZ AND NEEDS TO BE INVESTIGATED AS A SERIOUS SAFETY ISSUE. THIS COULD CAUSE DEATHS. I HAVE A WITNESS TO MY BRAKE LIGHTS GOING ON AND OFF AS I TRIED TO STOP THIS CAR.