ezrider,

Although there are many reasons for rough idle, I believe a rough idle in your car may proceed engine failure. You may want to do a search. I hope I am wrong. Good luck.

__________________
1996 (W210) E300D 86K - Traded in for a Lexus
1992 (W124) 300D 2.5 Turbo 202K - Sold
1983 (W123) 300D, 146K - Sold
1970 280S, 263K - Sold - Beginning of addiction