Mercedes-Benz 2013 CL Operator's Manual page 102

Steering wheel
100
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 88). 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.
Problems with the seat ventilation
The seat ventilation has switched off
prematurely. The vehicle's electrical system
voltage is too low because too many electrical
consumers are switched on.
Switch off electrical consumers which you
X
do not need, such as the rear window
defroster or interior lighting.
Steering wheel
Important safety notes
G
WARNING
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving
could cause the driver to lose control of the
vehicle.
The electrical steering wheel adjustment
feature can be operated at any time.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child's unsupervised access to a
vehicle could result in an accident and/or
serious personal injury.