THE TIRES BLEW OUT ON THE NJ TURNPIKE WHILE DRIVING APPROXIMATELY 67 MILES PER HOUR. THEY ARE PIRELLI CINTURATO P7 RUN FLAT 225 40R18. ONE OF THE OTHER TIRES HAS A BUBBLE IN IT. THE VEHICLES LOST CONTROL AND WAS SWERVING SEVERELY RIGHT AND LEFT ALMOST DOING A FULL 180 DEGREE TURN IN THE MIDDLE OF THE HIGHWAY WHICH NEARLY HIT OTHER VEHICLES DRIVING OVER 65 MILES PER HOUR. VEHICLE IS 2 YEARS OLD AND HAD TIRE ISSUES AT LEAST 4 TIMES PRIOR TO THIS INCIDENT. TIRE HAD PRESSURE ISSUE AND WAS TAKEN FOR SERVICE TO MERCEDES OF CHERRY HILL NJ APPROXIMATELY A MONTH BEFORE THIS BLOW OUT.