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Thread: S550 removed driver's lumbar support

  1. #1
    Member
    Join Date
    Jul 2020
    Location
    Kingston, Ontario
    Posts
    37

    S550 removed driver's lumbar support

    After reading multiple posts here on lumbar, I realized something. When I sit in the passenger seat it feels entirely different than the driver's seat, why? I would often feel that the lumbar in the driver' seat was "inflated" even when it was fully retracted. So I took the seat fabric off the back and disconnected the "throttle cable" in the lumbar and it fully retracted it and big difference! I've effectively removed what was poking in my back this whole time. This means the lumbar is not operational now. Getting into the back of the seat is a breeze, I worked from the back seat upside down and removed two electrical connectors and then the elastic bands holding the back fabric. With that away a trim pry tool will get two plastic push pins out then the back flap opens right up. Lifting up the flap and looking for the plastic pin that is seated in the metal hoop (see picture). With needle nose pliers, I squeezed the tabs together and pushed it out of the hoop. Once you release this, it releases the tension and you can see the sides of the lumbar retract. I connected the motor again (will it pop a code if disconnected?) and will disconnect the lumbar switch itself. Check it out.

    HUGE difference!

    IMG_5589.jpg
    IMG_5596.jpg

  2. #2
    Driver xeninworx's Avatar
    Join Date
    Nov 2019
    Location
    Brampton, unfortunately
    Posts
    1,296
    Wouldn’t throw any codes as some models don’t have lumbar.
    2014 V6 MT Club of America
    IG: xeninworx

  3. #3
    Admin ZR's Avatar
    Join Date
    Mar 2014
    Location
    Toronto, On
    Posts
    36,213
    If it makes the seat more comfy for you, nice mod.

  4. #4
    Club Supporter FABMAN's Avatar
    Join Date
    Mar 2014
    Location
    Woodbridge
    Posts
    1,225
    Each to their own, but with my back having lumbar adjustment is pretty important.
    FABMAN

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