Mercedes-Benz C-CLASS Operator's Manual page 106

Steering wheel
104
Switching the seat ventilation on/off
Switching on/off
The blue indicator lamps in the button indicate
the ventilation level you have selected.
Problems with the seat heating / seat ventilation
Problem
The seat heating or seat
ventilation has switched
off prematurely or can-
not be switched on.
Steering wheel
Important safety notes
G
WARNING
You could lose control of your vehicle if you do
the following while driving:
adjust the driver's seat, head restraint,
R
steering wheel or mirrors
fasten the seat belt
R
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt
before starting the engine.
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.
Turn the SmartKey to position 1 or 2 in the
X
ignition lock ( page 135).
Y
To switch on:press button : repeatedly
X
until the desired ventilation level 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 91). 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.
G
WARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no key in the igni-
tion lock.