:THE BENZ GUY:
the fire wall on this car and all cars is the wall behind the motor under the windshield
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.
The relay is a black retangular box located between the battery and the firewall.
Under the hood on the drivers side near the windshield
Just fill in the year make and model to get the belt diagram. Mercedes Benz 1989 300e http://www.mvreader.com/multiview/dayco/index.php?bgInterchange=1&l=n
I have a 1993 300e and located a 30A flst fuse close to the battery, perhaps this helps Added: 1986-1989 is Fuse "A" 16 Amps.
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.
I'm not sure about your 1989 model but on my 1993 300E the rear headrests are raised manually but lowered by a switch on the dashboard. Since they are both 124 series I would think yours would work the same.
O2 sensors are located in the exhaust system.
You have to take your vehicle registration and ID card to the dealership. It costs about $250 (US).
The 1989 Lincoln Continental brake booster is located on the firewall in the engine compartment. The brake booster will be on the drivers side of the firewall.
The 1989 Mercury Sable 3.0 liter engine EGR valve is located on the firewall. The valve will be on the passenger side of the firewall.
The 1989 Ford Ranger pickup truck ignition module is located on the firewall in the engine compartment. The ignition module will be on the drivers side of the firewall.