Page 106 of 261

104Instruments and controls
No.Vehicle message27Right front turn signal failure28Right rear turn signal failure29Check trailer brake light30Check trailer reversing light31Check left trailer turn signal32Check right trailer turn signal33Check trailer rear fog light34Check trailer rear light35Replace battery in radio remote
control48Clean side blind spot alert
system49Lane departure warning
unavailable53Tighten gas cap54Water in diesel fuel filter55Diesel particle filter is full
3 136No.Vehicle message56Tyre pressure imbalance on
front axle57Tyre pressure imbalance on
rear axle58Tyres without TPMS sensors
detected59Open and then close driver
window60Open and then close front
passenger window65Theft attempted66Service theft alarm system67Service steering wheel lock68Service power steering75Service air conditioning76Service side blind spot alert
system79Top up engine oil81Service transmissionNo.Vehicle message82Change engine oil soon84Engine power reduced89Service vehicle soon94Shift to park before exiting95Service airbag128Bonnet open134Park assist fault, clean bumper136Service parking assist145Check washer fluid level174Low vehicle battery258Park assist off
Vehicle messages on Uplevel-
Display The vehicle messages are displayedas text. Follow the instructions given
in the messages.
Page 114 of 261

112LightingHeadlight range
adjustment
Manual headlight range
adjustment
To adapt headlight range to the
vehicle load to prevent dazzling: turn
thumb wheel ? to required position.
0=front seats occupied1=all seats occupied2=all seats occupied and load
compartment laden3=driver's seat occupied and load
compartment ladenHeadlights 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.
There are two adjuster elements on
each headlight housing.
Turn both adjuster elements on each
headlight housing 1
/2 turn with a
size six hexagon key anticlockwise to set to right hand traffic mode.
Therefore insert the key in the
guidance as shown in the illustration.
Alternatively, a Phillips head
screwdriver size three can be used for
setting.
To reset to left hand traffic mode, turn adjuster elements 1
/2 turn clockwise.
Daytime running lights Daytime running light increases
visibility of the vehicle during daylight.
They are switched on automatically
when ignition is on.
Versions with automatic light control The system switches between
daytime running light and headlights automatically, depending on the
lighting conditions and information
given by the rain sensor system.
Automatic light control 3 111.
Page 116 of 261
114Lighting
Corner lighting
On tight bends or when turning off,
depending on the steering angle or
the indicator light signal, an additional left or right reflector is switched on
which illuminates the road in the
direction of travel. It is activated up to
a speed of 25 mph.
Reversing function If the low beam is on and reverse gear is engaged, both corner lights are
switched on. They remain illuminated
for 20 seconds after disengaging
reverse gear.
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.
Page 118 of 261
116LightingReversing lightsThe 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.Interior lighting
Instrument panel
illumination control
Brightness of the following lights can
be adjusted when the exterior lights
are on:
■ instrument panel illumination
■ dome light
■ ambient light
■ Info-Display
■ illuminated switches and operation elements
Turn thumb wheel A and hold until
the desired brightness is obtained.
On vehicles with automatic light
control, the brightness can only be
adjusted when the exterior lights are
on and the light sensor detects night
conditions.
Interior lights Front courtesy light
Page 119 of 261

Lighting117
Operate rocker switch:centre
position
w=automatic switching on
when opening a door.
Turns off after a delaypress I=permanently onpress 0=permanently off
Front courtesy light with reading
lights
When opening a door, the courtesy
light automatically switches on and
then off after a delay.
Pressing c switches courtesy light
on or off manually.
Switching on ignition will turn off
courtesy light.
When exterior lighting has been on
previously, courtesy light will turn on
when ignition is switched off.
Notice
In the event of an accident with
airbag deployment, the courtesy lights are turned on automatically.
Rear courtesy lights
Left and right lamps are separately
switchable.
Operate rocker switches:centre
position=automatic switching on
when opening a door.
Turns off after a delaypress I=permanently onpress 0=permanently off
Dome light
Spotlight incorporated in the inside
mirror housing comes on when
headlights are switched on.
Dome light illuminates gear shifting
console indirectly.
Ambient light The ambient light consists of indirect
red lights in the doors, in the
instrument panel below the heating and ventilation unit and in the
passenger foot well. It can be dimmed
with the thumb wheel A together with
the instrument panel illumination
3 116.
Ambient light comes on automatically when switching off ignition and
extinguishes after opening a door.
Page 122 of 261
120Climate controlClimate controlClimate control systems ............. 120
Air vents ..................................... 128
Maintenance .............................. 129Climate control systems
Heating and ventilation
system
Controls for: ■ temperature
■ fan speed
■ air distribution
Heated rear window Ü 3 31.
Heated windscreen 3 31.
Heated seats ß 3 39.
ß 3 39.
Heated steering wheel * 3 76.
Temperaturered=warmblue=cold
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Fan speed Adjust the air flow by switching the fan
to the desired speed.
Air distribution
M=to head areaL=to head area and foot wellK=to foot wellJ=to windscreen, front door
windows and foot welll=to windscreen and front door
windows
Intermediate settings are possible.
Page 123 of 261

Climate control121
Demisting and defrosting the
windows
■ Set temperature control to warmest
level.
■ Set fan speed to highest speed.
■ Set air distribution control to l.
■ Switch on heated rear window Ü.
■ Open side air vents as required and
direct them towards door windows.
■ For simultaneous warming of the foot well, set air distribution control
to J.
Air conditioning system
Controls for:
■ temperature
■ fan speed
■ air distribution
n=cooling4=air recirculationÜ=heated rear window 3 31
Heated windscreen 3 31.
Heated seats ß 3 39.
Heated steering wheel * 3 76.
Temperaturered=warmblue=cold
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Fan speed Adjust the air flow by switching the fan
to the desired speed.
Air distribution
M=to head areaL=to head area and foot wellK=to foot wellJ=to windscreen, front door
windows and foot welll=to windscreen and front door
windows (air conditioning is
activated in the background to
help preventing windows from
fogging)
Intermediate settings are possible.
Page 126 of 261
124Climate control
Controls for:■ fan speed
■ temperature
■ air distributionn=coolingAUTO=automatic mode4=manual air recirculationV=demisting and defrostingÜ=heated rear window 3 31
Heated windscreen 3 31.
Heated seats ß 3 39.
Heated steering wheel * 3 76.
In Automatic mode, temperature, fan speed and air distribution are
regulated automatically.
Climate control settings are shown on the Info-Display. Setting
modifications are briefly popped-up,
superimposed over the currently
displayed menu.
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. Activation is
indicated by illumination of the LED
in the button.
■ Open all air vents to allow optimised air distribution in
Automatic mode.