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How to change fuel filter on Mercedes W168 diesel – replacement guide
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Recommended replacement interval for the part category Fuel filter : 4 year / 80000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ A-Class (W168) A 160 CDI (168.007), MERCEDES-BENZ A-Class (W168) A 170 CDI (168.008), MERCEDES-BENZ A-Class (W168) A 160 CDI (168.006), MERCEDES-BENZ A-Class (W168) A 170 CDI (168.009, 168.109) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ A-Class (W168) A 160 CDI (168.007), MERCEDES-BENZ A-Class (W168) A 170 CDI (168.008), MERCEDES-BENZ A-Class (W168) A 160 CDI (168.006), MERCEDES-BENZ A-Class (W168) A 170 CDI (168.009, 168.109) … View more
The steps may slightly vary depending on the car design.
How to change fuel filter MERCEDES W168 [TUTORIAL AUTODOC]

All the parts you need to replace – Fuel Filter for A-Class (W168) and other MERCEDES-BENZ models
Fuel filter
Alternative products

All-purpose cleaning spray
Drive socket # 7
Torx bit T10
HEX bit No.H5
Ratchet wrench
Flat Screwdriver
Bulb hand fuel pump
Fender cover
Replacement: fuel filter – Mercedes W168. AUTODOC recommends:
- Ensure adequate ventilation of the workplace. Fuel vapors are poisonous.
- Please note: all work on the car – Mercedes W168 – 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 3Clean the fuel filter housing and the cover. Use all-purpose cleaning spray.
- Step 4Loosen the fastening clamp of the fuel filter pipe. Use a drive socket #7. Use a ratchet wrench.
- Step 5Detach the tubes from the fuel filter. Use a flat screwdriver.
- Step 6Unscrew the fastener attaching the fuel supply line to the fuel filter housing. Use Torx T10.
- Step 7Remove the fuel line.Replacement: fuel filter – Mercedes W168. Tip from AUTODOC experts:Be careful! Fuel may leak from the filter housing and hoses.
- Step 8Loosen the fuel filter mounting. Use HEX No.H5. Use a ratchet wrench.
- Step 9Remove the fuel filter.
- Step 10Install a new fuel filter.Replacement: fuel filter – Mercedes W168. AUTODOC experts recommend:Make sure that the fuel filter is positioned correctly. Consider the fuel flow direction mark.During installation, take care to prevent dust and dirt from getting into the fuel filter housing.Mercedes W168 – It's important to only use high-quality filters.
- Step 11Install the fuel line.
- Step 12Screw in the fuel filter mounting bracket. Use HEX No.H5. Use a ratchet wrench.
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