WHILE DRIVING ON HIGHWAY ALL THE SUDDEN AND WITHOUT WARNING, CAR STOPPED IN MIDDLE OF HIGHWAY, ALL ELECTRICAL SYSTEM OF CAR WAS SHOT OUT AND COULD NOT OPERATE THE BRAKE STEERING AND CAR WAS TOWED TO A FACTORY TRAIED MERCEDES BENZ FACILITY, DIAGNOSIS (NO POWER TO ME2 CONTROL UNIT) THE K40 RELAY MODULE WAS REPLACED WHILE IN GARAGE ANOTHER SLK MODEL WAS IN FOR SAME IDENTICAL PROBLEM SINCE THIS COULD BE A PUBLIC SAFETY ISSUE IS REPORTED TO YOU. *TR