Page 127 of 321

Lighting125LightingExterior lighting.......................... 125
Interior lighting ........................... 133
Lighting features ........................134Exterior lighting
Light switch Light switch with Automatic light control
Turn light switch:
AUTO=automatic light control:
exterior lighting is switched
on and off automatically
depending on external
lighting conditions.m=activation or deactivation of
the automatic light control.
Switch turns back to AUTO.8=sidelights9=headlights
The current status of the automatic
light control is displayed in the Driver
Information Centre.
When switching on the ignition,
automatic light control is active.
Control indicator 8 3 108.
Tail lights
Tail lights are illuminated together
with low/high beam and sidelights.
Additional lights in the tailgate frame,
Sports Tourer/Country Tourer
Additional tail light assemblies,
consisting of tail lights and hazard
warning flasher lights, are located in the tailgate frame. They are
illuminated when the tailgate is open. Additional tail lights are only intendedas position lights when the tailgate isopen and are not to be used when
driving.
Page 130 of 321

128Lighting
Dynamic automatic headlight
levelling 3 128.
Headlights when driving
abroad The asymmetrical headlight beam
extends visibility at the edge of the
road at the passenger side.
However, when driving in countries
where traffic drives on the opposite
side of the road, adjust the headlights to prevent dazzling of oncoming
traffic.
Vehicles with halogen headlight
system
Have the headlights adjusted by a
workshop.
Vehicles with Xenon headlight
system and Adaptive forward
lighting system Headlights can be set to right hand or
left hand drive traffic mode 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 3 117.
Vehicle personalisation 3 121.
Every time the ignition is switched on, control indicator f flashes for approx.
4 seconds as a reminder that right
hand drive traffic mode is selected.
Change back to left hand drive traffic
mode in the vehicle personalisation
menu as described above. f will not
flash when left hand drive traffic mode
is selected.
Control indicator f 3 109.
Daytime running lights
Daytime running light increases
visibility of the vehicle during daylight.
They are switched on automatically
when ignition is on.
If the vehicle is equipped with
automatic light control function, the
system switches between daytime running light and low/high beam
automatically depending on thelighting conditions and information
given by the rain sensor system.
Automatic light control 3 126.
Adaptive forward lighting
The Adaptive forward lighting
functions are only available with Bi-
Xenon headlights. Light range, light
distribution and intensity of light are
variably triggered depending on the
light conditions, weather and road
type.
With the light switch in position
AUTO all lighting functions are
available.
The following functions are available
also with light switch in position 9:
■ Dynamic curve lighting
■ Corner lighting
■ Reversing function
■ Dynamic automatic headlight levelling
Page 133 of 321

Lighting131
Fault in Adaptive forward
lighting system 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.
Hazard warning flashers
Operated with the ¨ button.
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.
With a trailer 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 with the > button.
Page 135 of 321

Lighting133Interior lighting
Instrument panel
illumination control
Brightness of the following lights can
be adjusted when the exterior lights
are on:
■ Instrument panel illumination
■ Info-Display
■ Dome light
■ 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 off.press u=on.press v=off.
Rear courtesy lights
Illuminate in conjunction with the front courtesy light depending on rocker
switch position.
Reading lights
Operated with s and t buttons in
front and rear courtesy lights.
Page 136 of 321
134Lighting
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 3 117.
Page 137 of 321

Lighting135
Vehicle personalisation 3 121.
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
■ 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 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.
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 3 117.
Vehicle personalisation 3 121.
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 138 of 321
136Lighting
■ 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 142 of 321

140Climate control
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 52.
Ventilated front seats A 3 53.
Heated steering wheel * 3 86.
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.