hi all please can any one help me.. i have my c200 1998 car and suddenly today while i was driveing it it's shut down and then i tried manytimes to turn it on but it didnt work again!! after left it for about an hour i tried to switch it on and it worked... then i drive it for 15 min and shuted down again!!! and i also wait about an hour until it worked again and i still cant drive it more than several min!!!! then i called the engineer and after he checked it by the computer he found (CPK interface faild) and ( losing signal ) so he change the ( crank sensor ) but its not working and the car still shut down when its get warm!!!! plz any one can help me?!!!