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How to change fuel filter on Mercedes W204 – replacement guide
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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 200 CDI (204.007, 204.006), MERCEDES-BENZ C-Class Saloon (W204) C 320 CDI (204.022), MERCEDES-BENZ C-Class Saloon (W204) C 320 CDI 4-matic (204.089), 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 220 CDI (204.008) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ C-Class Saloon (W204) C 200 CDI (204.007, 204.006), MERCEDES-BENZ C-Class Saloon (W204) C 320 CDI (204.022), MERCEDES-BENZ C-Class Saloon (W204) C 320 CDI 4-matic (204.089), 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 220 CDI (204.008) … 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
Alternative products

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