Page 139 of 337

Lighting137
In the Driver Information Centre (DIC)with Uplevel-Combi-Display, the
current status of the automatic light
control is displayed.
When switching on the ignition,
automatic light control is active.
When low beam is on, 8 illuminates.
Control indicator 8 3 117.
Tail lights
Tail lights are illuminated together with low/high beam and sidelights.
Automatic light controlWhen the automatic light control
function is switched on and the
engine is running, the system
switches between daytime running
light and headlights automatically
depending on the lighting conditions
and information given by the rain
sensor system.
Daytime running light 3 139.
Automatic headlight activation
During poor lighting conditions the
headlights are switched on.
Furthermore the headlights are
switched on if the windscreen wipers
have been activated for several
wipes.
Tunnel detection When a tunnel is entered the
headlights are switched on
immediately.
Adaptive forward lighting 3 139.High beam
To switch from low to high beam,
push lever.
To switch to low beam, push lever
again or pull.
High beam assist Description for version with halogen
headlights. High beam assist with
adaptive forward lighting 3 139.
This feature allows high beam to
function as the main driving light at
night and when vehicle speed is
faster than 25 mph.
Page 145 of 337

Lighting143
Fault in adaptive forward lightingsystem
When the system detects a failure in
the Adaptive forward lighting system,
the system moves to a preset position to avoid dazzling of oncoming traffic.
If this is not possible the affected
headlight will be automatically
switched off. In any case one
headlight will stay on. A warning is
displayed in the Driver Information
Centre (DIC).
Hazard warning flashers
Operated by pressing ¨.
In the event of an accident with airbag
deployment the hazard warning
flashers are activated automatically.
Turn and lane-change
signalslever up=right turn signallever down=left turn signal
If the lever is moved past the
resistance point, the turn signal is
switched on constantly. When the
steering wheel moves back, the turn
signal is automatically deactivated.
For three flashes, e.g. when changing
lanes, press the lever until resistance
is felt and then release.
When a trailer is connected, turn
signal flashes six times when
pressing the lever until resistance is
felt and then releasing.
Move the lever to the resistance point
and hold for longer indication.
Switch the turn signal off manually by moving the lever to its original
position.
Front fog lights
Operated by pressing >.
Page 147 of 337

Lighting145Interior lighting
Instrument panel
illumination control
Brightness of the following lights can
be adjusted when the exterior lights
are on:
■ instrument panel illumination
■ Info-Display
■ illuminated switches and operation elements
Turn thumb wheel A and hold until
the desired brightness is obtained.
On vehicles with light sensor, the
brightness can only be adjusted when
the exterior lights are on and the light sensor detects night conditions.
Interior lights
During entry and exit of the vehicle,
the front and rear courtesy lights
automatically switch on and then off
after a delay.
Notice
In the event of an accident with
airbag deployment the courtesy
lights are turned on automatically.
Front courtesy lightOperate rocker switch:w=automatic switching on
and offpress u=onpress v=off
Courtesy light on version with
panorama roof
Left and right lamps are separately
switchable.
Operate rocker switches:
centre posi‐
tion=automatic switching
on and offpress I=onpress 0=off
Page 149 of 337

Lighting147
Activation or deactivation of this
function can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 131.
The settings can be saved for the key being used 3 22.
The following lights will additionally switch on when the driver's door is
opened:
■ all switches
■ Driver Information Centre (DIC)
■ 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 lightsThey will switch off automatically after
a delay and will be activated again if
the driver's door is opened.
Headlights, tail 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 Settings menu in the Info-Display.
Vehicle personalisation 3 131.
The settings can be saved for the key being used 3 22.
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 150 of 337
148Lighting
■ 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 (DIC).
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 337
Climate control153
Heated rear window Ü 3 34, Heated
seats ß 3 45, Heated steering wheel
* 3 100.
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, 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 illumination of 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 Settings menu.
Vehicle personalisation 3 131.
Temperature preselection
Set temperatures to the desired
value.
Page 156 of 337

154Climate 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 V. Activation is indicated by
illumination of 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
Settings menu in the Info-Display.
Vehicle personalisation 3 131.
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 s button is pressed with the fan
switched on and the engine running,
an Autostop will be inhibited until the
s button is pressed again or until the
fan is switched off.
If the V button is pressed while the
engine is in an Autostop, the engine will restart automatically.
If the s button is pressed with the fan
switched on while the engine is in an
Autostop, the engine will restart
automatically.
Stop-start system 3 162.
Page 157 of 337
Climate control155
Manual settingsClimate 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 for longer:
fan and cooling are switched off.
Pressing the upper button for longer:
the fan runs at maximum speed.
To return to Automatic mode: Press
AUTO .
Air distribution s, M , K
Press appropriate button for desired
adjustment. Activation is indicated by illumination of the LED in the button.
s=to windscreen and front door
windows (air conditioning is
activated in the background to
help preventing windows from
fogging)M=to head area via adjustable air ventsK=to foot well
All combinations are possible.
Return to Automatic air distribution:
press AUTO .
Cooling n