Page 101 of 299
Instruments and controls99
Adjustable sensitivity of the rain
sensor
Turn the adjuster wheel to adjust the
sensitivity:
low
sensi‐
tivity=turn adjuster wheel
downwardshigh
sensi‐
tivity=turn adjuster wheel
upwards
Keep the sensor free from dust, dirt
and ice.
Windscreen and headlight
washer
Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
If the headlights are on, washer fluid is also sprayed onto the headlights,
provided that the lever is pulled
sufficiently long. Afterwards the
headlight washer system is
inoperable for 5 wash cycles or until
engine or headlights have been
switched off and on again.
Page 140 of 299
138LightingLightingExterior lighting.......................... 138
Interior lighting ........................... 147
Lighting features ........................148Exterior lighting
Light switch
Turn light switch:
7=lights off8=sidelights9=headlights
Control indicator 8 3 116.
Light switch with Automatic light
control
Turn light switch:
AUTO=automatic light control:
Headlights are 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
Page 141 of 299

Lighting139
In the Driver Information Centre with
Uplevel-Display or Uplevel-Combi-
Display, the current status of the
automatic light control is displayed.
When switching on the ignition,
automatic light control is active.
When headlights are on, 8 lights up.
Control indicator 8 3 116.
Tail lights
Tail lights are illuminated together with headlights 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 3 141.
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 3 141.High beam
To switch from low to high beam,
push lever.
To switch to low beam, push lever
again or pull.
High beam assist This feature allows high beam as
main driving light by night and when
vehicle speed is faster than 40 km/h.
Page 143 of 299

Lighting141
Dynamic automatic headlight
levelling 3 141.
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 The headlights do not have to be
adjusted.Vehicles with Xenon headlight
system
1. Key in ignition switch.
2. Pull turn signal lever and hold (headlight flash).
3. Switch on ignition.
4. After approx. 5 seconds the control indicator f starts flashing
and an acoustic signal sounds.
Control indicator f 3 116.
Every time the ignition is switched on,
f flashes as a reminder for approx. 4
seconds.
For deactivation operate the same
procedure as described above. f will
not flash when function is
deactivated.
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 the
lighting conditions and information
given by the rain sensor system.
Automatic light control 3 139.
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.
Page 145 of 299

Lighting143
Control indicator f 3 116.
Reversing function If the headlights are on and reverse
gear is engaged, both corner lights
are switched on. They remain
illuminated for 20 seconds after
disengaging reverse gear or until
driving faster than 17 km/h in a
forward gear.
High beam assist This feature allows high beam as
main driving light by night and when
vehicle speed is faster than 40 km/h.
It switches to low beam when: ■ the camera in the windscreen detects the lights of oncoming or
preceding vehicles
■ the vehicle speed is slower than 20 km/h
■ it is foggy or snowy
■ driving in urban areas
If there are no restrictions detected,
the system switches back to high
beam.Activation
The high beam assist is activated by
pushing the indicator lever twice with
a speed above 40 km/h.
The green control indicator l
illuminates continuously when the
assist is activated, the blue one 7
illuminates when high beam is on.
Control indicator l 3 116.
Deactivation
Push indicator lever once. It is also
deactivated when front fog lights are
switched on.
If a headlight flash is activated when
the high beam is on, the high beam
assist will be deactivated.
If a headlight flash is activated when
the high beam is off, the high beam
assist will stay activated.
High beam assist is always active
after the ignition is switched on.
Intelligent light ranging with automatic high beam activation Intelligent light ranging uses the
properties of Bi-Xenon headlights to
extend the light range of the low
beams by up to 400 metres and
additionally activates automatic high beam without dazzling or disturbingoncoming or preceding traffic.
High beam is deactivated and the low
beam light range will be reduced to
avoid dazzling when the following
restrictions are detected by the front
camera in the windscreen:
■ a preceding vehicle is recognised,
■ an oncoming vehicle is recognised,
■ urban areas are entered,
■ it is foggy or snowy.
Page 148 of 299

146Lighting
Light switch in position AUTO:
switching on front fog lights will switch headlights on automatically.
Rear fog lights
Operated with the r button.
Light switch in position AUTO:
switching on rear fog light will switch
headlights on automatically.
Light switch in position 8: rear fog
light can only be switched on with
front fog lights.
The vehicle rear fog light is
deactivated when towing.
Parking lights
When the vehicle is parked, the
parking lights on one side can be
activated:
1. Switch off ignition.
2. Move turn signal lever all the way up (right parking lights) or down
(left parking lights).
Confirmed by a signal and the
corresponding turn signal control
indicator.
Reversing lights
The reversing light comes on when
the ignition is on and reverse gear is
selected.
Misted light covers The inside of the light housing may
mist up briefly in poor, wet and cold weather conditions, in heavy rain or
after washing. The mist disappears
quickly by itself; to help switch on the
headlights.
Page 150 of 299

148LightingReading lights
Operated with s and t buttons in
front and rear courtesy lights.
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, reversing lights,
number plate lights, instrument panel
light, interior lights, light pipes in
doors and FlexConsole 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 key is turned to
position 1 3 160.
Activation or deactivation of this
function can be changed in the menu
Settings in the Info-Display. Vehicle
personalisation 3 130.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
■ Light pipes in doors and FlexConsole
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)
■ Light pipes in doors and FlexConsole
■ Puddle lights
They will switch off automatically after
a delay and will be activated again if
the driver's door is opened.
Page 151 of 299
Lighting149
Headlights, tail lights, reversing lights
and number plate lights illuminate the surrounding area for an adjustabletime 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 3 130.
The settings can be saved for the key being used 3 23.
Battery discharge
protection
To prevent discharge of the vehicle
battery when the ignition is switched
off, some interior lights are switched
off automatically after some time.