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W221 heavy steering

Discussion in 'Suspension, Steering & Brakes' started by dannyfiveforty, Jun 8, 2019.

  1. dannyfiveforty

    dannyfiveforty Senior Member

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    Joined:
    Jul 30, 2008
    Location:
    Staffordshire
    Your Mercedes:
    R230 SL500 2003
    i have noticed my steering getting heavy sometimes especially when going from lock to lock, I have always thought it was on the heavy side when compared to my old w220,

    Fluid checked and seems a little high, want to flush it out later today if rain stops,

    Tyres pressures fine,

    Any thoughts?
     
  2. Botus

    Botus Senior Member

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    Joined:
    Jul 29, 2014
    Location:
    UK
    Your Mercedes:
    S500/2010/500
    Alexanderfoti remade the electrical connector for the variable assistance on the rack a few years back and reported an improvement.

    assistance changes with sport or comfort and on occasions seems to be lighter on mine than I remember (but could be me imagining it - rarely drive it). if the engine has decided to tick over slowly and you throw it round a carpark you can beat the available assistance till it has fits and starts of less assistance than it needs

    overall it reminds me of a shoddily build badly designed joke (but I'm not allowed to express my feelings here so that's the kind version)...
     
    dannyfiveforty likes this.
  3. alexanderfoti

    alexanderfoti MBO Forum Supporter Authorised Forum Supporter

    Messages:
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    Joined:
    Mar 25, 2010
    Location:
    Dartford
    Your Mercedes:
    W221 S65 AMG - W204 C63 AMG + Various other MB's
    I broken the connector off mine a while back, removing the heat shield that covered the rack. When I replaced the SPS valve my steering at low speeds lightened up by about 15%
     
    dannyfiveforty likes this.

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