changing gearbox fluid 722.9

Discussion in 'Engine' started by Zu11y, Mar 26, 2014.

  1. Zu11y

    Zu11y Hardcore MB Enthusiast

    Messages:
    198
    Joined:
    Jan 1, 2014
    Location:
    West Yorkshire
    Car:
    CLK 320 cdi
    hi all my cars gears change slower than they should, it is more noticeable when changing from second to third and third to fourth
    anyway i think i should get the fluid changed afterall the car is at 160k and has never had a fluid change. everyone ive rang so far keep saying its a sealed box and doesnt need a change, just wondering if this is true?

    any help is appreciated.
     
  2. Ten elena

    Ten elena Hardcore MB Enthusiast

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    1998 R129 SL500
  3. whitenemesis

    whitenemesis MB Club Veteran

    Messages:
    13,594
    Joined:
    May 7, 2007
    Car:
    Lexus RC300h F-Sport 2016
    The 722.9 (7 speed) is different from the earlier 722.6 (5 speed) and is filled from the sump. Not an easy DIY

    Find yourself a good indie and get the atf changed
     
  4. dieseldan

    dieseldan New Member

    Messages:
    9
    Joined:
    Feb 14, 2014
    Location:
    Tilehurst
    Car:
    E320 sport
    hi i have the 722.9 7 speed had mine done at pcs drive in ...drive out good job done
     
  5. whitenemesis

    whitenemesis MB Club Veteran

    Messages:
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    Car:
    Lexus RC300h F-Sport 2016
    You know it makes sense! :)
     
  6. OP
    OP
    Zu11y

    Zu11y Hardcore MB Enthusiast

    Messages:
    198
    Joined:
    Jan 1, 2014
    Location:
    West Yorkshire
    Car:
    CLK 320 cdi
    Hi thanks guys was just making sure as some of the guys "transmission specialist". Will get it in at some indys
     

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