Mercedes-Benz M-Class 2013 Owners Manual - Manual (Page 109)

Adjusting the 4-way lumbar support
: To raise the backrest contour
; To soften the backrest contour
= To lower the backrest contour
? To harden the backrest contour
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back.
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.
Driver's and front-passenger seat
Rear seats
The three red indicator lamps in the button
indicate the heating level you have selected.
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 35 minutes after it is set to
level 1.
You can set the distribution of the heated
sections of the seat cushion and backrest.
You can find information about this in the
separate operating instructions.
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
107
Seats,
steering
wheel
and
mirrors
Z