Page 137 of 331
Lighting135
On vehicles with panoramaroof, rear
interior lights are located near the rear
handles.
Switch on reading lights by pressing
< on the cover.
Sunvisor lights
Illuminates when the cover is opened.Lighting features
Centre console lighting Spotlight incorporated in the interior
lighting comes on when headlights are switched on.
Entry lighting
Welcome lighting
Headlights, tail lights, number plate
lights, instrument panel light, interior
lights and puddle lights are switched
on for a short time by unlocking the
vehicle with the radio remote control.
This function works only in the dark
and facilitates locating the vehicle.
The lighting switches off immediately
when the ignition is switched on.
Starting off 3 16.
This function can be activated or
deactivated in the Vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 118.
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136Lighting
Vehicle personalisation 3 122.
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
Exit lighting The following lights switch on if the
key is removed from the ignition
switch:
■ interior lights
■ instrument panel light
■ puddle lights
They will switch off automatically after
a delay. This function works only in
the dark. Theatre lighting is activated
if the driver's door is opened during
this time.
Headlights, tail lights and number
plate lights illuminate the surrounding area for an adjustable time after
leaving the vehicle.
Switching on 1. Switch off the ignition.
2. Remove the ignition key.
3. Open the driver's door.
4. Pull the turn signal lever.
5. Close the 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.
This function can be activated or
deactivated in the Vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 118.
Vehicle personalisation 3 122.
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.
To prevent discharge of the vehicle
battery when driving, the following
systems are reduced automatically in two stages and finally switched off:
Page 139 of 331
Lighting137
■ 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 140 of 331
138Climate controlClimate controlClimate control systems ............. 138
Air vents ..................................... 149
Maintenance .............................. 150Climate control systems
Air conditioning system
Controller and buttons for the
following functions:
■ temperature TEMP
■ air distribution l M K
■ fan speed Z
■ cooling A/C
■ air recirculation 4
■ demisting and defrosting V
Heated rear window Ü 3 41.
Heated seats ß 3 53.
Ventilated seats
A 3 53.
Heated steering wheel * 3 87.
Temperature TEMP
Turn controller:
red=warmblue=cold
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Page 141 of 331
Climate control139
Air distribution l M K
Press:
l=to windscreen and front door
windowsM=to head area via adjustable air
ventsK=to foot well
Combinations are possible.
Setting is indicated by the LED in the
button.
Fan speed Z
Adjust the air flow by turning the
controller Z to the desired speed. J
means fan off.
Cooling A/C
Press A/C 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 A/C again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) cabin air as
required. Therefore condensation
may form and is drained under the
vehicle.
Page 142 of 331

140Climate control
If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons. Activated cooling
might inhibit Autostops.
Stop-start system 3 157.
Demisting and defrosting the
windows V
■
Press V: fan automatically
switches to higher speed, the air
distribution is directed towards the
windscreen.
■ Set temperature controller TEMP to
warmest level.
■ Switch on heated rear window Ü.
■ Open side air vents as required and
direct them towards the door
windows.
Notice
If V is pressed while the engine is
running, an Autostop will be inhibited
until V is pressed again.
If V is pressed while the engine is
in an Autostop, the engine will restart
automatically.
Stop-start system 3 157.
Maximum cooling
Briefly open the windows so that hot
air can disperse quickly.
■ Switch on cooling A/C.
■ Press M for air distribution.
■ Set temperature controller TEMP to
coldest level.
■ Set fan speed controller Z to
highest level.
■ Open all vents.Air recirculation system 4
Press 4 to activate air recirculation
mode. Activation is indicated by the
LED in the button.
Select air recirculation to assist in
cooling the interior or in blocking
outside odors or exhaust. When
recirculation is selected, a partial
ventilation to refresh the interior air
will occur every 10 minutes.
Press 4 again to deactivate
recirculation mode.
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 l.
Air distribution to l: Air recirculation
is deactivated.
Automatic climate control
system
In Automatic mode, temperature, fan
speed and air distribution are
regulated automatically.
Page 143 of 331

Climate control141
Controller and buttons for the
following functions:
■ temperature TEMP
■ air distribution l M K
■ fan speed Z
■ automatic mode AUTO
■ cooling A/C
■ air recirculation 4
■ demisting and defrosting V
■ system ON/OFF X
Heated rear window Ü 3 41.
Heated front seats ß 3 53.
Ventilated front seats A 3 53.
Heated steering wheel * 3 87.
Indication
Settings of temperature and fan
speed are indicated in the climate
display.
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.
Climate control system settings are
saved in the key used to lock the vehicle.
Automatic mode AUTO
Basic setting for maximum comfort:
■ Press AUTO, the air distribution
and fan speed are regulated
automatically. Activation is
indicated by the LED in the button.
■ Press A/C to switch on optimal
cooling and demisting. Activation is indicated by the LED in the button.
■ Set temperature by turning controller TEMP. Suggested
comfort setting is 22 °C.
■ Open all air vents to allow optimised air distribution in
automatic mode.
Page 144 of 331

142Climate control
Setting of fan speed regulation in
automatic mode can be changed in
the vehicle personalisation menu in
the Colour-Info-Display.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 118.
Vehicle personalisation 3 122.
Temperature preselection
TEMP
Set temperature by turning controller
TEMP to the desired value.
Selected temperature is indicated in
the climate display.
If the minimum temperature Lo is set,
the climate control system runs at maximum cooling, if cooling A/C is
switched on.
If the maximum temperature Hi is set,
the climate control system runs at
maximum heating.
Notice
If AC 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 V. 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 V . To return to automatic mode:
press AUTO .
Setting of automatic rear window
heating can be changed in the vehicle
personalisation menu in the Colour-
Info-Display.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 118.
Vehicle personalisation 3 122.
Notice
If V is pressed while the engine is
running, an Autostop will be inhibited
until V is pressed again.
If V is pressed while the engine is
in an Autostop, the engine will restart
automatically.
Stop-start system 3 157.