Mercedes-Benz GL Operator's Manual page 110

Seats
108
X
Make sure that the SmartKey is in position
2 in the ignition lock.
X
Use switch : to move the thigh cushion
into the desired position.
X
Press the W or X button to adjust the
contour of the backrest to suit your back.
X
Press button ? to move the point of
greatest backrest curvature downwards to
the lumbar region and press button = to
move it upwards to the upper back region.
X
Use button ; to adjust the side bolsters
for optimum lateral support.
Adjusting the four-way lumbar
support
You can adjust the contour of the driver's 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
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.
One or more of the indicator lamps in the
seat heating button are flashing.
Driver's and front-passenger seat
Rear seats
The system automatically switches down
from level 3 to level 2 after approximately five
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.
I n f o r m a t i o n P r o v i d e d b y :