spark plugs

Discussion in 'Engine' started by tomryanac, Oct 17, 2008.

  1. tomryanac

    tomryanac New Member

    Messages:
    5
    Joined:
    Oct 5, 2008
    Location:
    Ireland
    Car:
    1996 merd c180
    Can someone instruct me on how to change the spark plugs on my 1996 c180.:bannana:
     
  2. slav4o1

    slav4o1 Active Member

    Messages:
    65
    Joined:
    Jun 24, 2008
    you need a spark plug tool with which you need to unscrew/screw them in. Hve you got that?
     
  3. OP
    OP
    tomryanac

    tomryanac New Member

    Messages:
    5
    Joined:
    Oct 5, 2008
    Location:
    Ireland
    Car:
    1996 merd c180
    I know that much.What do I need to do to get at the plugs
     
  4. ms500

    ms500 Banned

    Messages:
    342
    Joined:
    Jun 18, 2008
    First, you'll have to remove the coil packs.
     
  5. OP
    OP
    tomryanac

    tomryanac New Member

    Messages:
    5
    Joined:
    Oct 5, 2008
    Location:
    Ireland
    Car:
    1996 merd c180
    I have never worked on a merc before so I dont know the procedure for changing the plugs. Its a 1996 C180
     
  6. grober

    grober MB Club Veteran

    Messages:
    26,471
    Joined:
    Jun 22, 2003
    Location:
    Perth, Scotland
    Car:
    W204 C200CDI Estate
    I would strongly urge you to buy the Haynes manual if you have no experience. This will save you money on many occasions in the future. http://www.haynes.co.uk/webapp/wcs/...10001&storeId=10001&productId=13007&langId=-1

    Briefly you will have to remove the black plastic air duct from the MAF/AIR FILTER to the throttle body first- slides sideways-then unscrew the cover plate on the cam cover to reveal either the long spark plug ht leads (early models) or the 2 spark coils and ht leads (1 per 2 plugs) be extremely careful when moving any of the wiring as the insulation can get very brittle ( due to close proximity to engine heat) then its just a case of removing the plugs via a sparkplug socket and suitable long extension. when replacing check the gap is correct 0.8mm and don't overtighten them in the alloy head.
     
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