Mercedes-Benz 2013 S-Class Operator's Manual page 115

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.
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.
Make sure that the SmartKey is in position
X
1 or 2 in the ignition lock.
To switch on: press button : repeatedly
X
until the desired heating level is set.
To switch off: press button : repeatedly
X
until all the indicator lamps go out.
Problems with the seat heating
The seat heating has switched itself off
prematurely. The vehicle's electrical system
voltage is too low because too many electrical
consumers are switched on.
Switch off electrical consumers that you do
X
not need, such as the rear window
defroster or interior lighting.
Switching the seat ventilation on/off
Switching on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
i
If the battery voltage is too low, the seat
ventilation may switch off.
Make sure that the SmartKey is in position
X
2 in the ignition lock.
To switch on: press button : repeatedly
X
until the desired ventilation level is set.
i
You can open the side windows and the
sliding sunroof using the "Convenience
opening" feature ( page 96). The seat
Y
ventilation of the driver's seat
automatically switches to the highest level.
To switch off: press button : repeatedly
X
until all the indicator lamps go out.
Seats
113
Z