Hi my name is sheri martis, I drive a 1997 E420 its cold where i live and i was wondering what is going on with my car. I havent drove it in a week or two, but i wentg to start it today and it was ok for the first 5 minutes then it started to putt like it wasnt recieving gas, and also bang sounds came from the muffler i believe does anyone one know what i should do thank you.. Sheri Martis