Mercedes-Benz 2014 GLK Class - Manual (Page 105)

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
Activating/deactivating
G
WARNING
Repeatedly switching on the seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
limited temperature sensitivity or a limited
ability to react to excessively high
temperatures may be affected or they may
even suffer burn-like injuries. There is a risk
of injury.
Therefore, do not switch the seat heating on
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
The system automatically switches down
from level
3 to level 2 after approximately
eight minutes.
The system automatically switches down
from level
2 to level 1 after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level
1.
X Make sure that the SmartKey is in position
1 or 2 in the ignition lock.
X To switch on: press button : repeatedly
until the desired heating level is set.
X To switch off: press button : repeatedly
until all the indicator lamps go out.
Seats
103
Seats, steering wheel and mirrors
Z