ML 320cdi Shudder when stopping engine

Discussion in 'Engine' started by Smart320, Jul 4, 2017.

  1. Smart320

    Smart320 Hardcore MB Enthusiast

    Messages:
    1,830
    Joined:
    Feb 10, 2017
    Location:
    Carmarthen
    Car:
    R172 SLK 55AMG , Toyota RAV4 3 dr
    Just acquired a 2007 ML 320cdi, with 42 k mileage and FMBSH.
    When turning the engine off about 50% of the time I get what feels like a
    ' Shudder ' , not like my E 320 cdi which just stopped without any vibration. Wondering if it is a bad engine mount.
    Also after using kick down to 4000 revs and then coming off the throttle I get a bit of vibration through the throttle peddle, engine pulls very well and is smooth, other than a fast idle at approx 900 revs it seems fine.
    Any thoughts?
     
  2. renault12ts

    renault12ts MB Club Veteran

    Messages:
    15,674
    Joined:
    Mar 5, 2009
    Car:
    2005 W215 CL500.
    Engine mounts almost certainly.
     
    1 person likes this.
  3. KeithJG

    KeithJG Hardcore MB Enthusiast

    Messages:
    594
    Joined:
    Nov 5, 2014
    Location:
    Dover, Kent
    Car:
    C320CDI Sport Estate V6 7g
    My thoughts: 900 revs at idle is too fast so what is causing this?

    I would get that checked first as it may cause irregular running or when turning off?

    My V6 320cdi idles at 750revs and only stops badly when switched off in Drive if i put it in Park as you are supposed to it stops fine.
     
    1 person likes this.
  4. OP
    OP
    Smart320

    Smart320 Hardcore MB Enthusiast

    Messages:
    1,830
    Joined:
    Feb 10, 2017
    Location:
    Carmarthen
    Car:
    R172 SLK 55AMG , Toyota RAV4 3 dr
    Am getting used to the drive/ park being on a stalk, will make 100% sure I put it in Park before turning off and see if it still has a shudder! Have a long 400 mile return trip planned in about a week, will see how an 'Italian tune up ' and some decent Shell diesel effects the running. If no better will take to my Merc Indi for a Star session and check over., it was serviced at main MB dealer only 500 miles ago at 41.5 k miles, however it has a glow plug fault so have already agreed with the garage who sold it ( not MB ) to get a new set of 6 installed .
     

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