Recommended replacement interval for the part category Fuel filter : 4 year / 75000 km

Important!

This replacement procedure can be used for:
MERCEDES-BENZ C-Class Saloon (W204) C 350 CDI (204.022), MERCEDES-BENZ C-Class Saloon (W204) C 350 CDI 4-matic (204.089), MERCEDES-BENZ C-Class Saloon (W204) C 320 CDI 4-matic (204.089), MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI (204.008), MERCEDES-BENZ C-Class Saloon (W204) C 200 CDI (204.007, 204.006), MERCEDES-BENZ C-Class Saloon (W204) C 320 CDI (204.022) … View more

The steps may slightly vary depending on the car design.

How to change fuel filter MERCEDES W204 [TUTORIAL AUTODOC]

All the parts you need to replace – Fuel Filter for C-Class Saloon (W204) and other MERCEDES-BENZ models

Fuel filter

        Fuel filter for MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI (204.008) Diesel (163 hp)
      
        Fuel filter for MERCEDES-BENZ C-Class Saloon (W204) C 200 CDI (204.007, 204.006) Diesel (136 hp)
      
        Fuel filter for MERCEDES-BENZ C-Class Saloon (W204) C 320 CDI (204.022) Diesel (224 hp)
      
        Fuel filter for MERCEDES-BENZ C-Class Saloon (W204) C 320 CDI 4-matic (204.089) Diesel (224 hp)
      
        Fuel filter for MERCEDES-BENZ C-Class Saloon (W204) C 350 CDI (204.022) Diesel (224 hp)
      
        Fuel filter for MERCEDES-BENZ C-Class Saloon (W204) C 350 CDI 4-matic (204.089) Diesel (224 hp)

Replacement: fuel filter – Mercedes W204. List of the tools you'll need:

                        All-purpose cleaning spray
                      
                        Torx bit T20
                      
                        Clic-R collar pliers
                      
                        Crow bar
                      
                        Fender cover

Buy tools

Replacement: fuel filter – Mercedes W204. Tip from AUTODOC:

Ensure adequate ventilation of the workplace. Fuel vapors are poisonous.
Please note: all work on the car – Mercedes W204 – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Open the hood.
Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3

Remove the engine cover.

Replacement: fuel filter – Mercedes W204. Tip:

Raise the engine cover, holding it on two sides simultaneously.Do not apply excessive force when removing the part. Otherwise you may damage it.
Step 4

Clean the fasteners of the fuel supply lines. Use all-purpose cleaning spray.
Step 5

Unplug the vacuum valve connector.
Step 6

Detach the vacuum valve from its mounting seat and set it aside.Use a crowbar.
Step 7

Detach the connector of the water-in-fuel sensor.
Step 8

Loosen the fastening clamps of the fuel filter pipes.Use a crowbar.
Step 9

Detach the tubes from the fuel filter.

Replacement: fuel filter – Mercedes W204. AUTODOC recommends:

Be careful! Fuel may leak from the filter housing and hoses.
Step 10

Unscrew the water-in-fuel sensor fasteners.Use Torx T20.
Step 11

Disconnect the water-in-fuel sensor from the fuel filter.
Step 12

Unclip the fuel filter retainer.Use a crowbar.
Step 13

Remove the fuel filter.
Step 14

Install a new fuel filter.

AUTODOC recommends:

During installation, take care to prevent dust and dirt from getting into the fuel filter housing.Attention! Use quality filters – Mercedes W204.
Step 15

Fasten the fuel filter retainer.Use a crowbar.
Step 16

Install the water-in-fuel sensor.
Step 17

Screw in the water-in-fuel sensor fasteners.Use Torx T20.
Step 18

Attach the tubes to the fuel filter.
Step 19

Tighten the fastening clamps of the fuel filter pipes.Use clic-R collar pliers.
Step 20

Attach the connector of the water-in-fuel sensor.
Step 21

Install the vacuum valve.
Step 22

Plug in the vacuum valve connector.
Step 23

Prime the fuel system.
Step 24

Clean the fuel filter.Use all-purpose cleaning spray.
Step 25

Run the engine for a few minutes.This is necessary in order to make sure that the component operates properly.
Step 26

Shut off the engine.

Replacement: fuel filter – Mercedes W204. Tip from AUTODOC experts:

To protect the environment from pollution, be sure to dispose of the used filters at special collection points.

Step 27

Install the engine cover and secure it.

AUTODOC recommends:

Replacement: fuel filter – Mercedes W204. Do not use excessive force during installation. This may damage the part.
Step 28

Remove the fender protection cover.
Step 29

Close the hood.

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