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1993 w140 rear headrest

 
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Dr_Chino

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Since: Nov 14, 2007
Posts: 19



(Msg. 1) Posted: Thu Jul 03, 2008 9:02 pm
Post subject: 1993 w140 rear headrest
Archived from groups: alt>auto>mercedes (more info?)

suddenly both sides stop working with comand button
is not fuse, i check it.
any suggestion?
thanks

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Jens

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Since: Mar 02, 2008
Posts: 35



(Msg. 2) Posted: Mon Jul 07, 2008 2:19 pm
Post subject: Re: 1993 w140 rear headrest [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Jul 4, 6:02 am, Dr_Chino wrote:
> suddenly both sides stop working with comand button
> is not fuse, i check it.
> any suggestion?
> thanks

Do you mean, that head rests will not retract by means of the button?

They are operated through the pneumatic system, which also controls
central locking among others. Does central locking, back up assist
(small "antennas") etc. work?

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Jens

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Since: Mar 02, 2008
Posts: 35



(Msg. 3) Posted: Tue Jul 08, 2008 12:33 am
Post subject: Re: 1993 w140 rear headrest [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Jul 4, 6:02 am, Dr_Chino wrote:
> suddenly both sides stop working with comand button
> is not fuse, i check it.
> any suggestion?
> thanks

Retraction of rear headrests is done by pneumatic unit - the same used
also for central locking, trunk lid handle etc.

Are these other things working correctly?
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Dr_Chino

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Since: Nov 14, 2007
Posts: 19



(Msg. 4) Posted: Tue Jul 08, 2008 3:35 pm
Post subject: Re: 1993 w140 rear headrest [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On 7 jul, 17:19, Jens wrote:
> On Jul 4, 6:02 am, Dr_Chino wrote:
>
> > suddenly both sides stop working with comand button
> > is not fuse, i check it.
> > any suggestion?
> > thanks
>
> Do you mean, that head rests will not retract by means of the button?
>
> They are operated through the pneumatic system, which also controls
> central locking among others. Does central locking, back up assist
> (small "antennas") etc. work?

yes im refering to that.
central lock works ok,( fuel tank door only opens, not close, had to
replace it)
back up assist ok, had to reset door assist.
any other fuse reset?
thanks for your help
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Jens

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Since: Mar 02, 2008
Posts: 35



(Msg. 5) Posted: Wed Jul 09, 2008 9:53 am
Post subject: Re: 1993 w140 rear headrest [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Jul 9, 12:35 am, Dr_Chino wrote:
> On 7 jul, 17:19, Jens wrote:
>
> > On Jul 4, 6:02 am, Dr_Chino wrote:
>
> > > suddenly both sides stop working with comand button
> > > is not fuse, i check it.
> > > any suggestion?
> > > thanks
>
> > Do you mean, that head rests will not retract by means of the button?
>
> > They are operated through the pneumatic system, which also controls
> > central locking among others. Does central locking, back up assist
> > (small "antennas") etc. work?
>
> yes im refering to that.
> central lock works ok,( fuel tank door only opens, not close, had to
> replace it)
> back up assist ok, had to reset door assist.
> any other fuse reset?
> thanks for your help

Door closing assist works by a separate pneumatic unit, which you
reset by a fuse 9 in the trunk fuse box (as your obviously are aware).

Central locking pneumatic unit has power through fuse 11 in the trunk,
but I don't know if that helps anything. Try it.

I was just thinking - can your headrests both be raised and lowered
electrically, or can the only be retracted from the instrument panel?

And what does then not work?

The electrical heigth adjustment is a different control module, which
get power from F15.
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