how to change air filters on W211 E280CDI (facelift)

Discussion in 'Engine' started by rascalmaster, Jul 3, 2011.

  1. rascalmaster

    rascalmaster MB Enthusiast

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    hi all.

    of late I felt my car was lacking a certain 'go' and couldnt help feeling perhaps the air filters might need changing...

    so, went up to mercedes and bought the set (MA642 094 0404). only got a 15% discount :( but hey ho... £23.80 later; I was back home and ready for a rumble. :cool:

    here's how i fared...

    pop goes the cover :)
     

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  2. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    the filter boxes are down each side of the engine.

    they are connected from the top of both boxes, by a big black plastic manifold, to the turbo inlet in the centre.

    at the bottom there is an inlet air hose connected.
     
  3. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    basically;

    the air filter boxes are removed from their location and then opened to reveal the filter in each.
    we slacken off the jubilee clips on the top manifold, so it can be easily slipped off, when we remove the boxes.

    the boxes themselves are held on by 2 screws. the one to the front is easier to get to and this will when adequately slackened; come off in your hand.
    the rear screw is a little harder to get to, but designed to remain in the box when fully slackened ( so it doesn't fall into the engine bay).
    the boxes have little prongs underneath which have a ball at the end of each so it can be located in position with a corresponding socket. dont worry this just lifts off when you come to remove the box.
     
  4. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    Here's the jubilee clip on the manifold connecting to the air filter box on drivers side
     

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  5. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    assuming we're tackling the driver's side first (bit easier as more room)...
     
  6. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    Here's the forward 'screw'

    Ok ok don't blast me; not sure what the technical description is lol
     

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  7. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    ... But u use one of these to get it off... :)
     

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  8. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    Then slacken off the rear one (it is designed not to come off)
     

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  9. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    This is the air intake hose that connects to the lower part of the box... It is not clipped and you can now jiggle the box to fee it and manually pull/ jiggle off the manifold and intake hoses...
     

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  10. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    You need one of these (not even going to try cooking up names for this lol) to loosen the 4 screws (one visible in pic) and open the filter...
     

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  11. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    Oops... just took a closer look and realised 2 are visible :)
     
  12. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    Take out gunky filter, clean box if required, replace new filter and screw box shut.

    ps wife's 210 boot is ideal work bench, lol
     

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  13. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    You can see the prongs I had mentioned earlier... when you replace the box; locate these correctly, and the box will line up nicely.
    Fix everything back and move over to the passenger side.
     

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  14. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    Passenger side air filter box is very similar...
    There is a sensor? attached to the top of the box though, so I disconnected this
    ;-)
     
  15. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    err... looks like i've used up my quota for attachments!! :(

    was only going to show a pic of the sensor and of the filter as they are different on each side, but this will become apparent when you open them :)...
     
  16. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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  17. developer

    developer MB Enthusiast

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    Excellent - that was one (two) grubby filter.

    It has to be money well spent :thumb:
     
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  18. mobeyone

    mobeyone MB Enthusiast

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    Looks a little fiddley but well worth it, thumbs up from me and I will be ordering some next week!
     
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  19. OP
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    rascalmaster

    rascalmaster MB Enthusiast

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    surprising how much difference the oil/ and filter and air filter change has made to the car...
    smoother gear changes, sharper acceleration, lower idling, better economy...
    ... and it's the most basic of things... lol
     
  20. corned

    corned MB Enthusiast

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    Is the car easier to work on once you have tipped it onto its side?









    :devil:
     
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