What are the widest 17" rims for the '94 E420 without rubbing the fenders? i am think AMG Aeros 17x7.5 with 225/45 front, 245/40 rear and H&R springs lowered as much as allowed.

also, are there ways to improve performance like:
1)a switch off for ASR
2)Chip
3)better Axle ratio
4)and the costs?

i love this site! thanks a lot!!

MBs forever!!