I changed mine at 60,000 kilometers (about 40K-miles) and it looked BRAND NEW. New gasolines might really be not all hype.

I'll still do it again at 120K, as it's pretty cheap insurance.

__________________
John Shellenberg
1998 C230 "Black Betty" 240K

http://img31.exs.cx/img31/4050/tophat6.gif