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Which fuse runs the PSE pump on CL500 C216

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by Submariner1, Aug 9, 2018.

  1. Submariner1

    Submariner1 Senior Member

    Likes Received:
    Sep 3, 2016
    Windsor Berkshire
    Your Mercedes:
    CL500 2009 5.5
    trying so find the fault
    A) Rear headrests wont go down and B) Lumbar support wont pump up or down.

    The issue is which fuses are relevant.

    OK Fuse 40 7.5 Amps runs the Rear Head Rest release, apparently the Hazerds are on the same fuse and they work fine ... so rules out.

    Allegedly the Lumbar support and the powered lift and release on the rear head rests are all run from the same PSE.

    So I am trying to find which fuse supports this pump.
    Sadly no PSE pump on the original fuse list

    There are fuses for
    1.Dynamic Seats. [ I suspect this is the massaging bit. Added to Multicontour seats??? ]
    2.Multicontour Seats. I dont have these but would the basic Lumbar bag air pump use the same fuses?

    My seats are basic ones with Lumbar Supports ( one in back of seat ) and Cooled and heated Climatic Ventilation. code 401.

    On the fuse list the only other relevant thing I can see is
    CA Headrests ..... what is that?

    Any ideas welcomed.
  2. huesey1974

    huesey1974 Active Member

    Likes Received:
    Apr 29, 2012
    Your Mercedes:
    cl500 2009
    Did you ever fix the problem? I have exact same issue.
  3. John77

    John77 Active Member

    Likes Received:
    Nov 19, 2018
    Your Mercedes:
    E200 Estate 2005
    Probably not the same, but on my wife's Slk some things stopped working because the PSE was sitting in water and the circuit board was rotted away. Malcolm (Television, sadly missed) kindly rewired it for me so it sat the other way up in the car and sent it back to me. Just a thought.

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