The oil filter change is easy enough. It is located on the drivers side of the engine between the air filter housing and the firewall. You will be able to see an aluminum housing about 2.5" in diameter with a ribbed cap at an elevation slightly lower than the air filter housing. Once you remove the cap, the oil filter element can be removed and replaced. Most replacement filters come with a new o-ring for the cap as well.

Hope this helps.

__________________
-Wayne

1994 E320 Coupe (120k)
1990 300SL (BBS,RENNtech adds)
1988 260E Sedan (180k)