2000 MERCEDES BENZ SLK Engine And Engine Coolingengine Problems

FOR INVESTIGATION ON THE MERCEDES BENZ 2000 SLK. VEHICLE TO MB DEALERSHIP REPEATEDLY SINCE PURCHASED NEW, FOR A PROBLEM WITH HARD/FULL THROTTLE ACCELERATION. WHEN FULLY DEPRESSING THE ACCELERATOR, ON OCCASION THE CAR WILL BACKFIRE OR HESITATE, OR ALMOST STALL UNTIL THE ACCELERATOR IS RELEASED. THE PROBLEM APPEARS TO BE DIRECTLY RELATED TO THE ACTIVATION OF THE TURBO-CHARGER (KOMPRESSOR). A CHECK OF THE SERVICE RECORDS FOR THE VIN NUMBER REVEALS THAT THE PROBLEM GOES BACK TO 10/25/04 WHEN THE O2 SENSOR WAS REPLACED. THAT SAME SENOR WAS REPLACED ON 05/24/07. THE PROBLEM WAS AGAIN REPORTED TO AND DIAGNOSED BY A DEALER HYANNIS MA ON 06/21/07 DURING A TRIP TO CAPE COD AFTER IT OCCURRED ON THE INTERSTATE DRIVING FROM VA TO CAPE COD. UPON RETURN TO VA, THE MASS AIR FLOW SENSOR WAS REPLACED TO CORRECT THE PROBLEM ON 07/03/07. THE SAME PROBLEM WAS AGAIN REPORTED ON 01/30/07 WHERE IT WAS...