How to carry out replacement: Air Filter S 320 CDI 3.0 (221.022, 221.122) W221
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Change W221 S 420 CDI (221.028, 221.128) Air Filter yourself – manuals and video tutorials

How to change air filter on MERCEDES-BENZ S-Class Saloon (W221) – replacement guide

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Download your free tutorial and fix MERCEDES-BENZ S-Class Saloon (W221) S 350 BlueTEC 3.0 4-matic (221.083, 221.183) problems yourself Download for free 1.25 MB Air Filter for W221 Shop now
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When to replace the Air Filter on your MERCEDES-BENZ S-CLASS
Recommended replacement interval for the part category Air filter kit : 4 year / 60000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ S-Class Saloon (W221) S 500, MERCEDES-BENZ S-Class Saloon (W221) S 280 (221.054), MERCEDES-BENZ S-Class Saloon (W221) S 350 4-matic (221.087, 221.187), MERCEDES-BENZ S-Class Saloon (W221) S 500 4-matic (221.086, 221.186), MERCEDES-BENZ S-Class Saloon (W221) S 450 4-matic (221.084, 221.184), MERCEDES-BENZ S-Class Saloon (W221) S 450 (221.070, 221.170), MERCEDES-BENZ S-Class Saloon (W221) S 500 (221.071, 221.171), MERCEDES-BENZ S-Class Saloon (W221) S 350 (221.056, 221.156), MERCEDES-BENZ S-Class Saloon (W221) S 400 Hybrid (221.095, 221.195) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Air Filter for S-Class Saloon (W221) and other MERCEDES-BENZ models
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Tools
Replacement: air filter – MERCEDES-BENZ S-CLASS (W221). Tools you might need:
Torx bit T20
Ratchet wrench
Microfibre towel
Fender cover
Buy tools
Replacement: air filter – MERCEDES-BENZ S-CLASS (W221). AUTODOC experts recommend:
  • Follow the terms, recommendations and requirements of the part operation provided by the manufacturer.
  • Please note: all work on the car – MERCEDES-BENZ S-CLASS (W221) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Air Filter on W221 2005 - free PDF and video manuals
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: air filter – MERCEDES-BENZ S-CLASS (W221). Do not use excessive force when removing the part as this may damage it.
  2. Step 4
    How to replace MERCEDES-BENZ S-Class Saloon (W221) S 320 CDI 3.0 (221.022, 221.122) 2006 Air Filter - step-by-step manuals and video guides
    Remove the air intake hoses.
  3. Step 5
    W221 S 500 5.5 (221.071, 221.171) 2007 Air Filter replacement: free workshop manuals
    Clean the air filter cover and housing.
  4. Step 6
    Changing Air Filter on MERCEDES-BENZ S-Class Saloon (W221) S 320 CDI 3.0 4-matic (221.080, 221.180) 2008 by yourself
    Remove the air filter housing.
    AUTODOC recommends:
    Replacement: air filter – MERCEDES-BENZ S-CLASS (W221). Do not use excessive force when removing the part as this may damage it.
  5. Step 7
    How to remove MERCEDES-BENZ S-CLASS S 350 BlueTec 3.0 (221.026, 221.126) 2009 Air Filter - online easy-to-follow instructions
    Cover the throttle body with a microfibre towel to prevent dust and dirt from getting into the system.
  6. Step 8
    How to replace Air Filter on MERCEDES-BENZ S-Class Saloon (W221) 2010: download PDF manuals and video instructions
    Clean the air filter cover and housing.
  7. Step 9
    How hard is it to do yourself: Air Filter replacement on W221 S 350 CDI 3.0 2011 - download illustrated guide
    Unscrew the fasteners of the air filter covers. Use Torx T20. Use a ratchet wrench.
  8. Step 10
    Need to know how to renew Air Filter on MERCEDES-BENZ S-CLASS 2012? This free workshop manual will help you to do it yourself
    Remove the air filter covers along with filter elements.
  9. Step 11
    Changing of Air Filter on W221 2013 won't be an issue if you follow this illustrated step-by-step guide
    Remove the old filter elements.
  10. Step 12
    MERCEDES-BENZ S-CLASS S 420 CDI (221.028, 221.128) Air Filter replacement: online guides and video tutorials
    Clean the air filter cover and housing.
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