Mercedes-Benz E-Class W210 Fuel Filter Replacement (1996 - 2003)

Changing the fuel filter on the Mercedes-Benz W210 is a pretty easy job provided you take the time to make it a safe job. The first step in replacement is to prep the car. Remove as much gasoline out of the car as possible. The way I like to accomplish this is to get some long fuel hose and place it down the fuel filler hole, hook up a small battery operated carburetor fuel pump, and pump from one car to another. An alternative approach would be a gasoline hand pump available at most local auto parts stores. The bottom line is to get as much gasoline out of the tank as possible.

Another important thing to remember - always disconnect the battery when working near the tank - you don't want any accidental sparks from any electrical connections. Some additional warnings too:

Always have a fire extinguisher handy in case an emergency arises.

Gasoline is highly flammable. When working around fuel and fuel line connections, don't disconnect any wires or electrical connections that may cause electrical sparks.

Always remove the gas cap to relieve any pressure in the tank prior to working on the fuel system.

Do not use a work lamp when working near fuel or fuel tanks. If you need some light, use a cool fluorescent lamp and keep it far away from the pump.

Gasoline vapors are strong, harmful, and can cause you to become drowsy and not think straight. Always perform work in a well-ventilated area with plenty of fresh air blowing through.

Always disconnect the battery when working on the fuel system. Leave it disconnected for at least 30 minutes to allow any residual electrical charge in components to dissipate.

Keep plenty of paper towels on hand, and wear rubber gloves to prevent spilling gasoline on your hands

Be well grounded - don't do anything that will create static electricity. Keep all cell phones and pagers a safe distance away.

Read the Full Article:
https://www.pelicanparts.com/techarticles/Mercedes-Benz/11-FUEL-Fuel_Filter_Replacement/11-FUEL-Fuel_Filter_Replacement.htm

Time: 1 hour
Tab: $40
Tools: Phillips screwdriver, vise grips, 10mm socket

Applicable Models:
Mercedes-Benz E320 (1996-97)
Mercedes-Benz E420 (1997)

Parts Required: Fuel filter
Hot Tip: Use caution as you will be working around gasoline
Performance Gain: Car runs better
Complementary Modification: Replace Fuel Pressure Regulator