S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Rear Headrest problem

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Old Aug 27, 2020 | 06:52 AM
  #1  
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W221 S Class
Rear Headrest problem

My rear Headrest will drop down when the button is pressed, but they won go up. I can hear a small click when the button is pressed. Anyone know what is likely to be the problem?
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Old Aug 27, 2020 | 06:57 AM
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2018 S450 4Matic, 2020 GLE450 4Matic, 2010 S550 4Matic(sold), 2012 ML350 4Matic(sold)
Are you pressing the same button? That button only lowers.
They are supposed to go up when the rear seat belt is latched or when you use the headrest control on the rear door.
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Old Aug 29, 2020 | 11:33 AM
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He's right -- the button is there only to lower them. One or both of mine will pop up from time to time when I start the car with no one in the back seat. It's nice to be able to lower them, especially when only one deploys.
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Old Aug 29, 2020 | 02:13 PM
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yes mine go down on the button and up when someone sits there
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Old Aug 29, 2020 | 04:23 PM
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Unless of course OP has adjustable rear seats (233) which does not seem to be the case: https://mbworld.org/forums/s-class-w...ml#post8069731






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Old Sep 4, 2020 | 07:15 PM
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By George, I stand corrected. Holding the center console headrest button down does indeed stand them up. Didn’t know that, thanks for the tip.
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Old Sep 5, 2020 | 11:21 AM
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but they also go up under seat occupancy, so little need to try the other method
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Old Sep 13, 2020 | 06:00 PM
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2018 S450 4Matic, 2020 GLE450 4Matic, 2010 S550 4Matic(sold), 2012 ML350 4Matic(sold)
Mine goes up too when the button is held. I stand corrected.
Always fun to learn something new.
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