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w211/s211 power steering fluid

Discussion in 'Suspension, Steering & Brakes' started by Terrykal, Oct 15, 2020 at 2:44 PM.

  1. Terrykal

    Terrykal Senior Member

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    Your Mercedes:
    S211 e320cdi OM642
    Hi to all,
    I recently purchased my new s211 e320 cdi and I am trying to fix all the little problems that the car came with. OM642 engine if that makes a difference.
    I want to change the power steering fluid, can anyone advise the code or part number?
    there is no issues with the steering system but I am guessing that it has never been changed and I personally cannot live with this :p

    I would guess it will be similar with other models too like the c219 and its p/n A001989240310 but I want a second opinion, thanks.
     
  2. mattkh

    mattkh Senior Member

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    W168 1999 1.6
    What color is the current steering fluid?
     
  3. LostKiwi

    LostKiwi Senior Member

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    '93 500SL-32, '01 W210 Estate E240, 02 R230 SL500 (Malcolm Spec), 04 Smart Roadster Coupe
    If you refer to the owners manual it should tell you.
     
  4. OP
    Terrykal

    Terrykal Senior Member

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    That's a good point since I forgot to mention it, the fluid is yellow.
     
  5. onefortheroad

    onefortheroad Senior Member

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    Your Mercedes:
    c207 e350 cdi 2017 . ford kuga 65 plate awd powershift .
    Old style was red same as atf. The newer type is central hydraulic fluid. The type I bought was more light green than yellow tbh.
     
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  6. Gazwould

    Gazwould Senior Member

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    S204 OM651
    And there we have it...

    20201015_210817.jpg
     
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  7. OP
    Terrykal

    Terrykal Senior Member

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    Yes I remember that my CLS c219 had the green fluid in it (it was almost black) and when I changed it I purchased the A001989240310 which is green again.
    This one has a yellowish colour.
    Thanks again.
     
  8. OP
    Terrykal

    Terrykal Senior Member

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    Very interesting, thank you.
    Thing is that my yellowish fluid is much more bright and also I can find some power steering fluids for Mercs in yellow colour (if not mistaken oem p/n ends in ...313) and also these have made me bit more confused.
    Will try to take a photo of the fluid tomorrow.
     
  9. OP
    Terrykal

    Terrykal Senior Member

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    Good advice but unfortunately I don't have an owner's manual. Only service book.
    This is why I opened this subject in case an owner with same specs model could answer it to me via his manual.
    I know there is a link with all Mercedes specs fluids and I will try find it too.
     
  10. OP
    Terrykal

    Terrykal Senior Member

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    Your Mercedes:
    S211 e320cdi OM642
    To my research and my understanding till now there are two possible specs, mb342.0 or mb345.0.
    First is equal to CHF 7.2 if I recall it correctly and second one is CHF 11s.
    I have found the CHF 11s mainly as green but I also found it in yellow/golden colour, is it possible? If that's true then what I see as a very bright yellow in my tank then it can be CHF 11s specs so I could change it with same specs but green colour.
    Any advice welcome
     
  11. OP
    Terrykal

    Terrykal Senior Member

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    Your Mercedes:
    S211 e320cdi OM642

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