If Fastlane is correct, me and you use the same filter. (I have a '94 E420).

All you need is a 13mm socket, and an extension or two; and the topsider.

Suck all the oil out, undo the bolt on the filter housing, pull of the cover, and pull the filter by its little handle. Swap O-rings (provided w/ filter) and put it all back together.
Yes, you could drain the oil via the plug, but then you would be spending alot of time under the car to remove the undercladding - save that for when you get curious and want to inpect everything hidden under there.

I use either 15W40 or 20W50 dino oil, so my input on that is moot.

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D