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2005 CLK320 W209 Driver's Seat Moving When Passenger Seat Adjusted?

Old Apr 28, 2014 | 09:52 PM
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2005 Mercedes CLK320
2005 CLK320 W209 Driver's Seat Moving When Passenger Seat Adjusted?

Update on previous seat issue.

I noticed now that when the passenger seat is moved using the various buttons, the driver's seat moves in the inverse. Ex passenger seat moved forward, driver's seat simultaneously moves back. In previous post I asked which SAM controlled the driver seat, because the shop said that is why it wasn't moving. I feel like perhaps it is something different now that the seat does moved, but is getting a signal from the wrong place.

Anyone know what could be causing my seats to move inversely and how to correct it? Thanks.
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Old Apr 28, 2014 | 10:02 PM
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I have the same problem, but it's only on one seat. When I move the driver seat back, the headrest moves up and when I move it forward, the headrest moves down. Same issue with the passenger seat. Any help?
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Old Apr 28, 2014 | 10:10 PM
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That's got to be insanely annoying lol. Mines just work when it wants to. I have it at the perfect position now so it's not a problem. Passenger side headrest won't go down though, annoying!
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Old Apr 29, 2014 | 12:50 PM
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My issue is that I want to sell my car and can't if the seat won't move from my position.
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Old Apr 29, 2014 | 10:11 PM
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These are all controlled by CAN bus signals. I wonder if someone replaced the driver's seat controller with a "passenger" controller so that it responding to the wrong CAN signals, i.e. the passenger side buttons instead of the driver's side. That's about all I can think of!
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Old Apr 29, 2014 | 11:19 PM
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Originally Posted by kb24forlife24
I have the same problem, but it's only on one seat. When I move the driver seat back, the headrest moves up and when I move it forward, the headrest moves down. Same issue with the passenger seat. Any help?

thats normal. think about it, when you move your seat back, the CAN anticipates the driver is taller with longer legs and reach, hence the headrest goes up. when you move the seat forward, it thinks that the driver is smaller so the headrest goes down. hope that clears it.
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Old Apr 30, 2014 | 01:25 AM
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Originally Posted by Rudeney
These are all controlled by CAN bus signals. I wonder if someone replaced the driver's seat controller with a "passenger" controller so that it responding to the wrong CAN signals, i.e. the passenger side buttons instead of the driver's side. That's about all I can think of!
Wow, you're totally right, I can't believe they missed something so simple. I was sold a replacement part and it is the passenger module. I just ordered the driver module and will swap them out and return the passenger one, I'm sure that will work. Thanks!
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Old Apr 30, 2014 | 10:52 PM
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Dang, that was truly a shot in the dark! Glad it was a simple solution.
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