Page 153 of 329

Lighting151
The lighting switches off immediately
when the ignition key is turned to
position 1 3 163.
Activation or deactivation of this
function can be changed in the menu Settings in the Info-Display. Vehicle
personalisation 3 132.
The settings can be saved for the key being used 3 23.
The following lights will additionally
switch on when the driver's door is
opened:
■ all switches
■ Driver Information Centre
■ door pocket lights
■ console lights
Exit lighting
The following lights switch on if the
key is removed from the ignition
switch:
■ Interior lights
■ Instrument panel light (only when it
is dark)■ Door and console lights
■ Puddle lights
They will switch off automatically after
a delay and will be activated again if
the driver's door is opened.
Headlights, tail lights, reversing lights
and number plate lights illuminate the
surrounding area for an adjustable
time after leaving the vehicle.
Switching on
1. Switch off ignition.
2. Remove ignition key.
3. Open driver's door.
4. Pull turn signal lever.
5. Close driver's door.
If the driver's door is not closed the
lights switch off after two minutes.
Exit lighting is switched off
immediately if the turn signal lever is pulled while the driver's door is open.
Activation, deactivation and duration
of this function can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 132.
The settings can be saved for the key being used 3 23.
Battery discharge
protection
Vehicle battery state of charge
function
The function guarantees longest
vehicle battery life via a generator with controllable power output and
optimised power distribution.
Page 154 of 329
152Lighting
To prevent discharge of the vehicle
battery when driving, the following
systems are reduced automatically in two stages and finally switched off:
■ Auxiliary heater
■ Heated rear window and mirrors
■ Heated seats
■ Fan
In the second stage a message which
confirms the activation of the vehicle
battery discharge protection will be
displayed in the Driver Information
Centre.
Switching off electric lights To prevent discharge of the vehicle
battery when the ignition is switched
off, some interior lights are switched
off automatically after some time.
Page 155 of 329
Climate control153Climate controlClimate control systems ............. 153
Air vents ..................................... 160
Maintenance .............................. 161Climate control systems
Heating and ventilation
system
Controls for: ■ Temperature
■ Air distribution
■ Fan speed
■ Demisting and defrosting
Heated rear window Ü 3 35.
Temperature
red=warmblue=coldHeating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributions=to windscreen and front door
windowsM=to head area via adjustable air
ventsK=to foot well
All combinations are possible.
Fan speed
Adjust the air flow by switching the fan to the desired speed.
Page 156 of 329
154Climate control
Demisting and defrosting
■Press button V: fan automatically
switches to higher speed, the air distribution is directed towards the
windscreen.
■ Set temperature control to warmest
level.
■ Switch on heated rear window Ü.
■ Open side air vents as required and
direct them towards the door
windows.
Air conditioning system
In addition to the heating and
ventilation system, the air
conditioning system has controls for:
n=cooling4=air recirculation
Heated seats ß 3 47, Heated
steering wheel * 3 101.
Cooling n
Press button
n to switch on cooling.
Activation is indicated by the LED in
the button. Cooling is only functional
when the engine is running and
climate control fan is switched on.
Press button n again to switch off
cooling.
The air conditioning system cools and
dehumidifies (dries) as soon as the
outside temperature is slightly above
the freezing point. Therefore
condensation may form and drip from under the vehicle.
Page 157 of 329

Climate control155
If no cooling or drying is required,
switch the cooling system off to save
fuel. Activated cooling might inhibit
autostops.
Air recirculation system 4
Press button
4 to activate air
recirculation mode. Activation is
indicated by the LED in the button.
Press button 4 again to deactivate
recirculation mode.
9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air humidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the vehicle
occupants to feel drowsy.
In warm and very humid ambient air conditions, the windscreen might mist up from outside, when cold air is
directed to it. If windscreen mists up
from outside, activate windscreen
wiper and deactivate s.
Maximum cooling
Briefly open the windows so that hot
air can disperse quickly.
■ Switch on cooling n.
■ Air circulation system 4 on.
■ Press air distribution switch M.
■ Set temperature control to coldest level.
■ Set fan speed to highest level.
■ Open all vents.
Page 158 of 329

156Climate control
Demisting and defrosting the
windows V
■
Press button V: fan automatically
switches to higher speed, the air distribution is directed towards the
windscreen.
■ Switch cooling n on.
■ Set temperature control to warmest
level.
■ Switch on heated rear window Ü.
■ Open side air vents as required and
direct them towards the door
windows.
Notice
If the V button is pressed while the
engine is running, an Autostop will
be inhibited until the V button is
pressed again.
If the V button is pressed while the
engine is in an Autostop, the engine will restart automatically.
Stop-start system 3 165.
Electronic climate control
system
The dual zone climate control allows
different climatisation temperatures
for driver and front passenger side.
In Automatic mode temperature, fan
speed and air distribution are
regulated automatically.
Controls for:
■ Temperature on driver side■ Air distribution
■ Fan speed
■ Temperature on front passenger side
n=coolingAUTO=automatic mode4=manual air recirculationV=demisting and defrosting
Heated rear window Ü 3 35, Heated
seats ß 3 47, Heated steering wheel
* 3 101.
Page 159 of 329
Climate control157
Each change of settings is shown in
the Info-Display for a few seconds.
The electronic climate control system
is only fully operational when the
engine is running.
Automatic mode AUTO
Basic setting for maximum comfort:
■ Press AUTO button, the air
distribution and fan speed are
regulated automatically.
■ Open all air vents to allow optimised air distribution in
automatic mode.
■ Press n to switch on optimal
cooling and demisting. Activation is indicated by the LED in the button.
■ Set the preselected temperatures for driver and front passenger using
the left and right rotary knob.
Recommended temperature is
22 °C.
The fan speed regulation in automatic mode can be changed in the menu
Settings .
Vehicle personalisation 3 132.
Temperature preselection
Set temperatures to the desired
value.
Page 160 of 329

158Climate control
If the minimum temperature Lo is set,
the climate control system runs at
maximum cooling, if cooling n is
switched on.
If the maximum temperature Hi is set,
the climate control system runs at
maximum heating.
Notice
If n is switched on, reducing the set
cabin temperature can cause the
engine to restart from an Autostop or inhibit an Autostop.
Demisting and defrosting the
windows V■
Press button V. Activation is
indicated by the LED in the button.
■ Press cooling button n. Activation
is indicated by the LED in the button.
■ Temperature and air distribution are set automatically and the fan
runs at high speed.
■ Switch on heated rear window Ü.
■ To return to previous mode: press button V, to return to automatic
mode: press button AUTO.
Setting of automatic rear window
heating can be changed in the menu
Settings in the Info-Display. Vehicle
personalisation 3 132.
Notice
If the V button is pressed while the
engine is running, an Autostop will
be inhibited until the V button is
pressed again.
If the V button is pressed while the
engine is in an Autostop, the engine will restart automatically.
Stop-start system 3 165.Manual settings
Climate control system settings can
be changed by activating the buttons
and rotary knobs as follows.
Changing a setting will deactivate the automatic mode.
Fan speed Z
Press lower button to decrease or
upper button to increase fan speed as
shown in the illustration. The fan
speed is indicated by the number of
segments in the display.
Pressing the lower button longer: fan and cooling are switched off.