Mercedes-Benz 190E Fuel Filter Replacement | W201 1987 wwwcanparts›Mercedes-Benz HomeYour fuel filter is an integral part of the fuel delivery system. A clogged filter can cause all kinds of problems, from a rough running engine to leaving you stranded on the side of the road. Mercedes suggests changing your filter every 30,000 miles. The W201 fuel filter is located on the underside of the car, behind the rear driver side seat. Mercedes 190e Fuel Filter Location - Best Place to Find Mercedes 190e fuel filter location Oh and half a tank of fuel. Original bill of sale is a nice touch but what about i might as well get the timing belt replaced at the same time. An oil and filter change is also on the list. I. Mercedes 190e fuel filter location.