Page 94 of 217

92Instruments and controls
Select using the left adjuster wheel onthe steering wheel
Turn the adjuster wheel to call up the
required function.
Press the adjuster wheel to open the
BC menu, to select marked items and
confirm commands. In the BC menu
press to operate the stop watch or
restart measurement and calculation.
System settings
Press the Settings button of the
Infotainment system. Menu item
Audio then opens.
Call up System with the left arrow
button and select with the OK button.
The first function of the System menu
is highlighted. Some of the functions
appear on the display in an
abbreviated form.
The functions are displayed in the
following order:
■ Time synchronisation
■ Time, setting hours
■ Time, setting minutes
■ Date, setting day
■ Date, setting month
■ Date, setting year
■ Ignition logic
■ Language selection
■ Setting units of measure
Automatic time synchronisation
The RDS (Radio Data System) signal of most VHF transmitters
automatically sets the time, identified
by } in the display.
Page 100 of 217

98Instruments and controls
Adjusting contrast
(Graphic-Info-Display)
Select menu item Contrast from the
Settings menu. The menu is
displayed. Confirm the required
setting.
Setting display mode
The display can be adjusted to suit
the lighting conditions:
Select menu item Day / Night from the
Settings menu. The options are
displayed.
Automatic ; adapted based on vehicle
lighting.
Always day design ; black or coloured
text on a light background.
Always night design ; white or
coloured text on a dark background.
Selections are indicated by a o in
front of the menu item.
Ignition logic
See Infotainment system instruction
manual.Vehicle messages
Warning chimes
When starting the engine or whilst driving
Only one warning chime will sound at a time.
The warning chime regarding
unfastened seat belts has priority
over any other warning chime.
■ If seat belt is not fastened.
■ When operating the turn and lane- change signals.
■ When the vehicle is being driven and the electrical parking brake is
applied 3 136.
■ When releasing the electrical parking brake without applying the
foot brake 3 89.
■ If there is a fault in the braking system 3 84.
■ If the parking assist detects an object 3 141.
Page 101 of 217
Instruments and controls99
■ During automatic self-cleaning ofthe diesel particle filter 3 127.
■ In vehicles equipped with engine overspeed warning; when vehicle
speed exceeds 75 mph 3 90.
When the vehicle is parked and/ or the driver's door is opened ■ When the key is in the ignition switch.
■ With exterior lights on.
Tyre pressure
Check controlIn vehicles with tyre pressure
monitoring system, if low tyre
pressures are detected, relevant
information appears on the
information display.
Reduce speed and check tyre
pressure at the next opportunity.
Tyre pressure monitoring system
3 176.
Check tyre pressures 3 176, 3 207.
If there is a considerable loss of
pressure, a corresponding message
appears indicating the relevant tyre.
Steer out of the flow of traffic as
quickly as possible without
endangering other vehicles. Stop and
check the tyres. Mount the spare
wheel 3 182, 3 185.
Tyre pressure monitoring system 3 176.
Page 107 of 217
Lighting105LightingExterior lighting.......................... 105
Interior lighting ........................... 110
Lighting features ........................112Exterior lighting
Light switch
Turn light switch:
AUTO=Automatic light control:
Headlights are switched
on and off automatically
depending on external
lighting conditions.7=Off (or deactivation of
automatic light control).8=Sidelights9=Headlights
Control indicator C 3 89.
Tail lights
Tail lights illuminate together with low
beam/high beam and sidelights.
Automatic light control
When the automatic light control
function is switched on and the
engine is running, low beam switches on automatically depending on
outside light conditions.
For reasons of safety, the light switch
should always remain in the AUTO
position.
Page 108 of 217
106Lighting
To ensure automatic light control
functions properly, do not cover the
light sensor on top of the instrument
panel.
Driving abroad 3 107.
Wiper activated lighting
With light switch in the AUTO
position, when the windscreen wiper
is operated for 8 cycles or more the
exterior lights illuminate
automatically.
High beamTo switch from low to high beam,
push lever.
To switch to low beam, pull lever back
again.
Control indicator C 3 89.
Headlight flash To activate the headlight flash, pull
lever.Headlight range
adjustment
Manual headlight range
adjustment ?
With low beam switched on, adapt
headlight range to suit vehicle load.
Correct adjustment of the headlight
range reduces dazzle for other road
users.
Page 109 of 217

Lighting107
Vehicles without automatic level
control system
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 laden
Vehicles with automatic level control
system
Turn thumb wheel to required
position:
0=front seats occupied1=all seats occupied1=all seats occupied and load
compartment laden2=driver's seat occupied and load
compartment laden
Automatic level control 3 139.
Automatic headlight range
adjustment On vehicles with Xenon headlights,
the headlight range is adjusted
automatically based on vehicle load.
If control indicator q illuminates in the
instrument cluster while driving, a
fault has occurred. Have the cause of
the fault remedied immediately by a
workshop.
Control indicator q 3 89.
Headlights when driving
abroad
The asymmetrical headlight beam
extends visibility at the edge of the
road on the passenger side.
However, when driving in countries
where traffic drives on the opposite
side of the road, have the headlights adjusted to prevent dazzling of
oncoming traffic. Seek the assistance
of a workshop.
Daytime running lights
Daytime running lights increase
visibility of the vehicle during daylight.
They are switched on automatically
when ignition is on.
Automatic light control 3 105.Hazard warning flashers
Operated with the ¨ button.
In the event of an accident with airbag
deployment the hazard warning
flashers are activated automatically.
Page 110 of 217

108LightingTurn 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 is turned
back, the turn signal is automatically
deactivated. This will not happen
when making a minor steering
manoeuvre such as lane changing.
For three flashes, e.g. when changing
lanes, press the lever until resistance is felt and then release. Move the
lever to the resistance point and hold
for longer indication.
The volume of the turn signal audible
warning is dependent upon vehicle
speed.
Switch the turn signal off manually by moving the lever to its original
position.
Control indicators O 3 83.
Front fog lightsOperated with the > button. Control
indicator > illuminates in the
instrument cluster when the front fog
lights are switched on.
The front fog lights can only be
switched on when both the ignition
and low beam/high beam or sidelights are on.
Light switch in position AUTO:
switching on front fog lights will switch
on low beam and sidelights
automatically.
Follow the regulations of the country
in which you are driving when using
front fog lights.
Page 111 of 217

Lighting109Rear fog lights
Operated with the r button.
Control indicator r illuminates in the
instrument cluster when the rear fog light is switched on.
The rear fog light can only be
switched on when the ignition is on
and the light switch is in position 9,
or the front fog lights are on and the
light switch is in position 8.
Light switch in position AUTO:
switching on rear fog light will switch
on low beam and sidelights
automatically.
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. Set light switch to 7 or AUTO .
2. Switch off ignition.
3. Move turn signal lever all the way up (right parking lights) or down
(left parking lights).
Confirmed by a signal tone and the
corresponding turn signal control
indicator.
To deactivate, switch on the ignition or move the turn signal lever in the
opposite direction.
Reversing lights The reversing lights come on when
the ignition is on and reverse gear is
selected.
Centre high-mounted brake light
Illuminates when the brakes are
applied, acting as a third stop light, to supplement the brake lights.
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.