The 1989 Mercedes Benz 300E came equipped in a 3.0L L6 engine. It has a canister type fuel filter which will be located underneath the car and forward of the fuel tank in the fuel line. The OE replacement fuel filter is Fram #G3737.
There are two fuel pumps in a Mercedes 300E
Air in the fuel line?? There is a filter in your tank that may need to be replaced.
Behind the right rear axle next to the fuel pump (under the car)
The fuel pump relay on a 1988 Mercedes-Benz 300E is located on the passenger side, near the firewall, by the battery. Mercedes-Benz was founded in 1926.
Right next to the fuel pump, not far from the fuel tank and the rear axle. I don't remember, but I think it may be located on the right side.
The fuel filter is located on the right rear underside of the car, just ahead of the rear axel area. You need to remove the cover to find it. It is the large canister next to the electric fuel pump.
DexIII/Merc
The fuel pump and related components are protected by a large plastic shield under the car between the rear tires and offset to the right (passenger side).
fuel filter is located under panel on underside of vehicle -right rear
one fuel pump. Why are there so many unanswered questions?
The fuel filter is underneath the car at the right rear area, just ahead of the rear sub-frame.
It is under the car, and it is covered by a plastic shield for protection