Page 110 of 245
108Instruments and controls
Selection is indicated by a 6 in front
of the menu item.
In systems with voice output, when
the language setting of the display is
changed the system will ask whether
the announcement language should
also be changed - see Infotainment
system manual.
Setting units of measure
Select menu item Units from the
Settings menu.
Select the desired unit.
Selections are indicated by a o in
front of the menu item.
Adjusting contrast
(Graphic-Info-Display)
Select menu item Contrast from the
Settings menu.
Confirm the required setting.
Setting display mode
Display brightness is dependent of
vehicle lighting. Additional settings
can be made as follows:
Select menu item Day / Night from the
Settings menu.
Automatic The colours are adapted to
the exterior lights.
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Instruments and controls109
Always day design black or coloured
text on light background.
Always night design white or coloured
text on dark background.
Selection is indicated by a o in front
of the menu item.
Ignition logic
See Infotainment system manual.Vehicle messages
Messages are given via the
instrument panel display or as
warning and signal buzzers. Check
control messages appear on the
Info-Display. Some appear in an
abbreviated form. Confirm warning
messages with the multifunction knob
3 102, 3 105.
Warning chimes
When starting the engine or
whilst driving ■ If the electronic key is not present or is not recognised.
■ If seat belt is not fastened.
■ If a door or the tailgate is not fully closed when starting off.
■ If a certain speed is exceeded with the parking brake applied.■ If the speed programmed at thefactory is exceeded.
■ If the vehicle has automated manual transmission and the
driver's door is opened when the
engine is running, a gear is
engaged and the foot brake is not
depressed.
When the vehicle is parked and the driver's door is opened ■ When the key is in the ignition switch.
■ With exterior lights on.
■ With Open&Start system and automatic transmission, if the
selector lever is not in P.
■ For automated manual transmission, if the parking brake is
not applied and no gear is engaged when the engine is switched off.
Page 113 of 245

Instruments and controls111Lighting
Important exterior lights, including
cables and fuses, are monitored. In
trailer mode, trailer lighting is also
monitored. Trailers with LED lighting
must have an adapter that enables
light monitoring as with conventional
bulbs.
The failed lighting will be indicated in
the information display or the
message InSP2 will appear in the
instrument panel display.
Anti-theft alarm system
System fault in anti-theft alarm
system. Have the cause of the fault
remedied by a workshop.
Tyre pressure
On vehicles with tyre pressure
monitoring system, if there is low tyre pressure, information which tyre to
check appears on the display.
Reduce speed and check tyre
pressure at the next opportunity. Tyre
pressure monitoring system 3 191.
Check tyre pressure 3 190, 3 225.
If there is a considerable loss of
pressure, a corresponding message
appears indicating the tyre.
Steer out of flow of traffic as quickly as possible without endangering
other vehicles. Stop and check the
tyres. Mount the spare wheel 3 196.
If run-flat tyres are fitted, maximum
speed is 80 km/h. Information 3 189.
Tyre pressure monitoring system
3 191.
Washer fluid level
Low washer fluid level. Top up
washer fluid 3 163.
Page 119 of 245
Lighting117LightingExterior lighting.......................... 117
Interior lighting ........................... 121
Lighting features ........................122Exterior lighting
Light switch
Turn light switch:
7=Off8=sidelights9=low beam
Control indicator 8 3 101.
If the ignition is switched off with the
low beam on, only the sidelights
remain illuminated.
Automatic light control
Light switch set to AUTO: When the
engine is running, the exterior lighting is switched on when external light
conditions are poor.
For reasons of safety, the light switch
should always remain in the AUTO
position.
Move light switch to 9 if visibility is
poor because of fog or mist.
Page 120 of 245
118LightingHigh beam
To switch from low to high beam,
push lever.
To switch to low beam, push lever
again or pull.
Headlight flash To activate the headlight flash, pull
lever.
Headlight range
adjustment
Manual headlight range
adjustment
To adapt headlight range to the
vehicle load to prevent dazzling:
Press knob to disengage and turn torequired position.
Vehicles without automatic level
control system
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
0=front seats occupied1=all seats occupied1=all seats occupied and load
compartment laden2=driver's seat occupied and load
compartment laden
Automatic headlight range
adjustment
Headlight range is automatically
adjusted based on vehicle load.
Headlights when driving
abroad
The asymmetrical headlight beam
extends visibility at the edge of the
road on the passenger side.
Page 121 of 245

Lighting119
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 adaptive forward
lighting
Adapting the aim of the headlight
beam:
1. Pull lever and hold.
2. Switch on ignition.
3. An acoustic signal sounds after approx. 3 seconds.
Control indicator B 3 101.
Daytime running lights
With the ignition on and the light
switch set to 7 or AUTO , the sidelights
are switched on. When the engine is
running, headlights illuminate.On vehicle without automatic light
control, 9 must be switched on when
it gets dark for illumination of the
instrument panel.
The daytime running lights switch off
when the ignition is switched off.
Adaptive forward lighting
Adaptive forward lighting with Bi-
Xenon headlights improves lighting in
curves and increases headlight
range.
Curve lightingThe light beam pivots based on
steering wheel position and speed.
Motorway lighting
At higher speeds and continuous
straight ahead travel, the beam
automatically raises slightly, thereby
increasing headlight range.
Control indicator B 3 101.
Hazard warning flashers
Operated with the ¨ button.
The hazard warning flashers activate
automatically if the airbags deploy.
Page 122 of 245
120LightingTurn and lane-change
signalsLever up=right turn signalLever down=left turn signal
The lever always springs back to its
original position.
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.
Move the lever to the resistance point
and hold for longer indication.
Switch the turn signal off manually by moving the lever slightly.
Front fog lights
The front fog lights can only be
switched on when both the ignition and headlights or sidelights are on.
Operated with the > button.
Rear fog lights
The rear fog light can only be
switched on when both the ignition
and headlights or sidelights (with front fog lights) are on.
Operated with the r button.
The vehicle rear fog light is
deactivated when towing.
Parking lights
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Lighting121
When parked, the parking light on oneside can be activated:
1. Set light switch to 7 or AUTO .
2. Ignition off.
3. Move turn signal lever all the way up (right parking light) or down
(left parking light).
Confirmed by a signal and the
corresponding turn signal control
indicator.
To switch it off, switch on the ignition
or move the turn signal lever in the
opposite direction.
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 covers 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 can be adjusted when the exterior lights are on: Press knob k to
disengage and then turn it and hold
until the desired brightness is
obtained.
Interior lights
During entry and exit of the vehicle,
the front and centre courtesy lights
automatically come on and then
switch off after a delay.
Front courtesy light
Operated with the c button.