Question for you guys - have a 94 E420 and need a serpentine belt (also want to replace brakes and rotors) but focussing on the belt - can I buya belt and change it myself? I love the car, but I don't do alot of work on cars. I have a buddy whose a car enthusiast but wanted to know what I need before we get into this. Thanks!

The belt is easy easy, fan shroud unscrews in half then just, loosen the belt tensioner
slip the old belt off put the new belt on! brakes are easy too!!!

Yep, had to replace the tensioner on my '92 400E (119.975 engine) and did the belt at the same time - it's pretty easy. Take some snapshots of where it goes prior to removal, since I've experienced the obvious (routing) becoming obscure once you have these things off. Scotz

If I recall correctly, you don't have to slip the belt over the fan to get it on and off. In fact, I don't even recall having to take off the fan shroud. It was really easy. Here's the schematic. Good luck.

https://docs.google.com/fileview?id=0B-WRh0Hf7VdZMWEyZDJjNjQtMTkwNC00M2Q3LWJkOTYtMDgxNGFkOTUzMGZi&hl=en

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1993 400E, 256,000 miles (totaled)
1994 E420, 200,000+ miles
1995 E420, 201,000 miles