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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
Fuel filter
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 1Open the hood.
- Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
- Step 3Remove 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 4Clean the fasteners of the fuel supply lines. Use all-purpose cleaning spray.
- Step 5Unplug the vacuum valve connector.
- Step 6Detach the vacuum valve from its mounting seat and set it aside. Use a crowbar.
- Step 7Detach the connector of the water-in-fuel sensor.
- Step 8Loosen the fastening clamps of the fuel filter pipes. Use a crowbar.
- Step 9Detach 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 10Unscrew the water-in-fuel sensor fasteners. Use Torx T20.
- Step 11Disconnect the water-in-fuel sensor from the fuel filter.
- Step 12Unclip the fuel filter retainer. Use a crowbar.
- Step 13Remove the fuel filter.
- Step 14Install 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 15Fasten the fuel filter retainer. Use a crowbar.
- Step 16Install the water-in-fuel sensor.
- Step 17Screw in the water-in-fuel sensor fasteners. Use Torx T20.
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