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E55 / what is this button for?

Discussion in 'Electronics' started by Littleborough, Sep 13, 2017.

  1. Littleborough

    Littleborough Member

    Messages:
    35
    Joined:
    Jul 22, 2013
    Car:
    Clk 320 Cdi sport
    can anyone tell me what this button is for? The one in the photo with a solid and empty arrow

    Sat on the school run ATM so can't check the manual right now
     

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  2. whitenemesis

    whitenemesis Hardcore MB Enthusiast

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    May 7, 2007
    Car:
    Lexus RC300h F-Sport 2016
    Filters the incoming air through the activated charcoal filter. Removes pollutants, NOX etc..
     
    merc85 likes this.
  3. OP
    OP
    Littleborough

    Littleborough Member

    Messages:
    35
    Joined:
    Jul 22, 2013
    Car:
    Clk 320 Cdi sport
    Ah I see - thanks for the reply it's appreciated
     
  4. Larkone

    Larkone Hardcore MB Enthusiast

    Messages:
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    Joined:
    Jun 13, 2016
    Location:
    Essex
    Car:
    2008 CLS 320 CDI facelift
    You wonder why the result of pushing it isn't the default state anyway
     
  5. Gbrowncls55

    Gbrowncls55 Active Member

    Messages:
    87
    Joined:
    Sep 11, 2016
    Location:
    Surrey
    Car:
    CLS55 AMG 06, SL350 06, 996 cab, all current. Gone : E500 W211, 2x M5s and far,far too many 911s
    where abouts is it (cant see from pic) or is it a w210 not a 55k? Dont think I have one on the CLS?
     
  6. AMGeed

    AMGeed Hardcore MB Enthusiast

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    Location:
    Bournemouth/Poole Dorset
    Car:
    2004 W211 E55K ///AMG
    It's just to the left of the right side heater control rotary knob on a W211 E55. You should have that button?
    Here's a bigger photo, poor with the sun shining in I'm afraid.
    20170913_183052.jpg
     
  7. bob6600

    bob6600 Hardcore MB Enthusiast

    Messages:
    3,690
    Joined:
    Jan 3, 2013
    Car:
    S210 E320 CDI
    My w210 has it and the activated charcoal filter isn't cheap either! Tbh i've never used it
     
  8. whitenemesis

    whitenemesis Hardcore MB Enthusiast

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    Car:
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    One can invoke operation manually but does it not come into operation automatically, depending on the NOX sensor?
     
  9. andy27168

    andy27168 Hardcore MB Enthusiast

    Messages:
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    Joined:
    Nov 27, 2004
    Location:
    Southampton
    Car:
    1997 C230K, 1999 C43/55 AMG
    It is a 211 E55, I don't have that button on my CLS55 either, it is A/C with a red LED (A/C Compressor on/off) on mine as I expect yours is, and my rest button has only a single function unlike the E55 one shown.
    Mines like the one in the link below,
    http://www.ebay.co.uk/itm/MERCEDES-...054538?hash=item2f09832cca:g:QR4AAOSwjW9ZlFtf
     
  10. kianok

    kianok Hardcore MB Enthusiast

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    Location:
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    Car:
    E220 AMG line premium plus coupe
    Just press it. It might remove the stray eyebrow from the other button!
     
  11. PobodY

    PobodY Hardcore MB Enthusiast

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    Location:
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    Yes, that's what my manual says.

    I normally hit the button when I'm behind a smoking diesel or I notice an unpleasant odour in the air.

    Activated carbon filters go under the glovebox, so you just have a pollen filter in the engine bay.
     
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  12. Gbrowncls55

    Gbrowncls55 Active Member

    Messages:
    87
    Joined:
    Sep 11, 2016
    Location:
    Surrey
    Car:
    CLS55 AMG 06, SL350 06, 996 cab, all current. Gone : E500 W211, 2x M5s and far,far too many 911s
    Thanks. Yes mine is the same as yours and the one in your link. Are all 211 55k like that or just early ones. My old 54 plate E500 w211 was the same as the CLS
     
  13. JohnEBoy

    JohnEBoy Hardcore MB Enthusiast

    Messages:
    9,205
    Joined:
    Mar 3, 2011
    Location:
    South East UK
    Car:
    CL500
    My old 54 plate E55K was the same as Andy's CLS.

    Roger's picture shows that AC one combined with the REST button.

    My old REST button was the only function on that button.
     

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