W220 CDI Acceleration Issue

Discussion in 'Engine' started by design guru, Mar 25, 2014.

  1. design guru

    design guru Hardcore MB Enthusiast

    Messages:
    359
    Joined:
    Feb 28, 2004
    Location:
    Hampshire
    Car:
    2001 W220 Mercedes S320cdi
    I have read the helpful posts at the top of the sections regarding the Loss of Power, but the problem I have is in the mornings, my car will struggle to accelerate. But after its warmed up it will run fine and not give the problem. It has no issues revving above 3k and will kick down when needed. Its only in the morning its lags and is not as responsive, If I leave my foot down it will kick in and take off but leave a cloud of smoke.

    Idles fine and shows no signs of cutting out.

    I have done an Oil Change, Fuel, oil, cabin and air filter change done less than 2k.

    W220 S320CDi 2001 (51)
     
  2. V12

    V12 MB Club Veteran

    Messages:
    5,610
    Joined:
    Jun 17, 2002
    Location:
    Southampton
    Car:
    S320CDI LWB
    Have you looked at the condition of the EGR and intake manifold?
     
  3. OP
    OP
    design guru

    design guru Hardcore MB Enthusiast

    Messages:
    359
    Joined:
    Feb 28, 2004
    Location:
    Hampshire
    Car:
    2001 W220 Mercedes S320cdi
    This is the only part I have not checked out, probably worth checking.

    How easy is it to access or remove these parts. I have in the past ask if there was a DIY write up on the removal of these parts.
     
  4. OP
    OP
    design guru

    design guru Hardcore MB Enthusiast

    Messages:
    359
    Joined:
    Feb 28, 2004
    Location:
    Hampshire
    Car:
    2001 W220 Mercedes S320cdi
    I need to remove the EGR but what other parts do I need to remove to access this part easily? I did think about getting the EGR cleaner spray from Halfords but was not sure how effective it was or where the excess dirt would end up when cleared.

    I was concerned when I removed the air filter and found a cigarette butt in the housing!

    Does anyone have a good guide to removing the EGR from a 2001 W220 S320 cdi.
     

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