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  #1  
Old 10-08-2014, 10:49 AM
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190e Power Seat Switch - Raise/Lower?

I see in the owners manual it should be able to raise/lower. With that switch I can go forward/backward and tilt by turning the same switch. I don't see how it would be physically possible to move the switch up and down on a horizontal plane.

I have the pre-1990 switch that has the springs/balls inside. Is there a trick to this, or can the seat really not raise/lower?

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  #2  
Old 10-08-2014, 02:37 PM
JamesDean's Avatar
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The seat switch is (without headrest)

8 way.

Backrest Fwd
Backrest Rev

Front Tilt Up
Front Tilt Down

Rear Tilt Up
Rear Tilt Down

Chair FWD
Chair REV

By putting both front and rear tilts up/down you should be able to adjust height.
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  #3  
Old 10-08-2014, 03:44 PM
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When you're tilting the front or rear section of the bottom cushion you're only adjusting one of the two pins below. Pushing both up or down should do the trick. The middle pin is for adjusting fore/aft travel.



It might be more clear if you see the actual innards of the switch.

(driver switch shown w/o memory)

Last edited by MBeige; 10-08-2014 at 06:06 PM. Reason: edited for clarification
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  #4  
Old 10-08-2014, 03:48 PM
JamesDean's Avatar
Electrical Engineer
 
Join Date: Apr 2005
Location: NE Ohio
Posts: 5,038
That middle pin won't go up/down though.

If you compare it to the ones next to it, you can see the plastic switch body slides on a metal pin. The tilt switches have their pins oriented vertically so the switch body goes up/down as opposed to the center pin which has its oriented horizontally limiting its movement to left/right.
__________________
Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out.
Check here for compatibility, diagnostics, and availability!

(4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!)


82 300SD 145k
89 420SEL 210k
89 560SEL 118k
90 300SE 262k RIP 5/25/2010
90 560SEL 154k
91 300D 2.5 Turbo. 241k
93 190E 3.0 235k
93 300E 195k
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  #5  
Old 10-08-2014, 04:25 PM
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Join Date: Jul 2013
Location: Austin
Posts: 412
I can't explain why or how it works, put pushing upwards/downwards on the horizontal switch is raising and lowering the seat. I just wasn't pushing it hard enough. I rebuilt this switch and it's a little loose. I tried on the passenger side and it was easier.

Solved!

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