When I inquired here about a year ago, I think the majority vote was for Textar which, for your car, can be had for $77.00. But when I priced the Textars for my E420, they were about the same price the dealer wanted for MB factory pads, so I went with the factory pads. You should call your dealer just to check on the price of factory pads. It may surprise you. Given roughly equivalent pricing, I would go for factory parts any day. That includes rotors.

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