Mercedes-Benz S-CLASS 2017 Operator's Manual page 116

Seats
114
Switch on the power supply or the ignition
X
( page 146).
Y
To switch on: press button : repeatedly
X
until the desired blower setting is set.
To switch off: press button : repeatedly
X
until all the indicator lamps go out.
i
If the battery voltage is too low, the seat
ventilation may switch off.
i
You can open the side windows and the slid-
ing sunroof using the "Convenience opening"
feature ( page 92). The seat ventilation of
Y
the driver's seat automatically switches to the
highest level.
i
When the vehicle is stationary, the fan
speed can be reduced automatically. This
reduces the noises of the seat ventilation.
Rear seat
Problems with the seat heating/ventilation
Problem
The seat heating or seat
ventilation has switched
off prematurely or can-
not be switched on.
Possible causes/consequences and M Solutions
The on-board voltage is too low because too many electrical consum-
ers are switched on.
Switch off electrical consumers that you do not need, such as the
X
rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating or seat
ventilation can be switched back on manually.
Switching the seat ventilation in the rear com-
partment on/off
Switch on the power supply or the ignition
X
( page 146).
Y
To switch on: press button : repeatedly
X
until the desired blower setting is set.
To switch off: press button : repeatedly
X
until all the indicator lamps go out.
i
If the battery voltage is too low, the seat
ventilation may switch off.
i
When the vehicle is stationary, the fan
speed can be reduced automatically. This
reduces the noises of the seat ventilation.