Mercedes-Benz S-Class 2014 Owners Manual - Manual (Page 128)

Problems with the seat heating
Problem Possible causes/consequences and M M Solutions
The seat heating has
switched off
prematurely or cannot
be switched on.
The on-board voltage is too low because too many electrical
consumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating can be
switched back on manually.
Switching the seat ventilation on/off
Activating/deactivating
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
X Turn the SmartKey to position 1 or 2 in the
ignition lock (
Y
page 171).
X To switch on: press button : repeatedly
until the desired ventilation level is set.
X To switch off: press button : repeatedly
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
sliding sunroof using the "Convenience
opening" feature (
Y
page 100). The seat
ventilation of 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.
126
Seats
Seats,
steering
wheel
and
mirrors