Take a look at the pictures in this link:
http://www.mercedesshop.com/Wikka/OilFilter2
It's an oil change how-to for the M112/M113 engine. The pictures show (IMHO) the coolest engine cover I have seen yet. The pictures are from an E450 (M113) but I wonder if there is a 6 cylinder version of it? Notice the intake plumbing on the left side as well:
Here's another view from a supercharged E450:
Hmmm. Crossfires have lots of extra space next to that coolant overflow!