Mercedes-Benz GLK 300 4MATIC 2012 Owner's Manual page 103

Seats
100
To remove: pull the head restraint up to
X
the stop.
Press release catch : and pull the head
X
restraint out of the guides.
To refit: insert the head restraint so that
X
the notches on the bar are on the left when
viewed in the direction of travel.
Push the head restraint down until you hear
X
it engage in position.
Adjusting the lumbar support
You can adjust the contour of the driver's seat
so as to provide optimum support for your
back.
Move adjustment lever : in the direction
X
of the arrow until the desired backrest con-
tour is achieved.
Adjusting the 4-way lumbar support
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back.
To raise the backrest contour
:
To soften the backrest contour
;
To lower the backrest contour
=
To harden the backrest contour
?
Switching the seat heating on/off
Switching on/off
G
WARNING
Repeatedly setting the seat heating to level
3 may result in excessive seat temperatures.
The health of passengers that have limited
temperature sensitivity or a limited ability to
react to excessively high temperatures may
be affected or they may even suffer burn-like
injuries. Therefore, do not use seat heating
level 3 repeatedly.
The three red indicator lamps in the button
indicate the heating level you have selected.
i
If the battery voltage is too low, the seat
heating may switch off.
Driver's and front-passenger seat