Page 29 of 228

Keys, doors and windows
29
Radio remote control
synchronisation
After replacing the battery, unlock the
door with the key in the lock. The radio
remote control will be synchronised
when you switch on the ignition.
Memorised settings
When locking the vehicle the last
settings are automatically saved
specifically for the used key:
■ Electronic climate control,
■ Info-Display,
■ Infotainment system,
■ Instrument panel illumination.
The saved settings are automatically
remembered when that key is used
for unlocking. Open&Start system
Makes operation of the following
possible without the use of the
mechanical key
■
Central locking system,
■ Anti-theft locking system,
■ Anti-theft alarm system,
■ Power windows,
■ Ignition and starter.
The electronic key simply needs to be
on the driver's person. Press the Start/Stop button. The
ignition
is switched on. The electronic
immobiliser and steering wheel lock
are deactivated.
To start the engine depress the brake
and clutch pedals then press and hold
the Start/Stop button.
With automatic transmission, only
start with the vehicle in P or N.
The engine and the ignition are
switched off by pressing the Start/
Stop button again. The vehicle must
be stationary. The immobiliser is
activated at the same time.
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96
Instruments and controls
Setting units of measure Select the required unit of
measurement
with the arrow buttons. Graphic-Info-Display,
Colour-Info-Display
Display of time, outside temperature,
date or infotainment system (when it
is on) and electronic climate control
system.
The Color-Info-Display
displays the
information in colour.
The type of information and how it is
displayed depend on the equipment
of the vehicle and the settings made. Selecting functions
Functions and settings of the
infotainment system and electronic
climate control system are accessed
via the display.
Selections are made via the menus
and buttons, the multifunction control
of the infotainment system or the left
adjuster wheel of the steering wheel.
Selecting with the infotainment
system buttons
Page 118 of 228
118
Climate control
Climate control
Climate control systems ............. 118
Air vents ..................................... 124
Maintenance .............................. 125 Climate control systems
Heating and ventilation
system
Controls for:
■ Air distribution
■ Temperature
■ Fan speed
Heated rear window Ü 3 42.
Air distribution
L =
to head area and foot well
M = to head area l
= to windscreen and front door
windows
J = to windscreen, front door
windows and foot well
K = to foot well
Intermediate settings are possible.
Temperature
red = warm
blue = cold
Heating will not be fully effective until
engine has reached its operating
temperature.
Fan speed
Adjust
the air flow by switching the fan
to the desired speed.
Demisting and defrosting the
windows
■ Set air distribution control to l.
■ Set temperature control to warmest level.
■ Set fan speed to highest level.
■ Switch on heated rear window Ü.
Page 120 of 228

120
Climate control
■ 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.
Automatic climate control
system Controls for:
■
Air distribution
■ Temperature
■ Fan speed n
= Cooling
4 = Air recirculation
V = Demisting and defrosting
Heated rear window Ü 3 42.
The preselected temperature is
automatically regulated. In the
automatic mode the fan speed
automatically regulates the air flow.
Automatic mode
Basic setting for maximum comfort: ■
Set fan control to A.
■ Set the air distribution control to the desired setting.
■ Preset temperature to the desired level.
■ Cooling n on.
■ Open all of the air vents.
Air distribution
L =
to head area and foot well
M = to head area
l = to windscreen and front door
windows
J = to windscreen, front door
windows and foot well
K = to foot well Intermediate settings are possible.
Temperature preselection
Set the temperature control to the
required position. Intermediate
settings are possible.
For reasons of comfort, change
temperature
only in small increments.
At the end positions, there is no
temperature regulation. The air
conditioning system works with
maximum cooling or heating.
Heating will not be fully effective until
engine has reached its operating
temperature.
Fan speed
In the automatic mode A the fan
speed automatically regulates the air
flow. If required the air flow can be
manually adjusted.
Cooling n
Operated with the n button and is
functional only when the engine and
fan are running.
Page 122 of 228

122
Climate control
Heated rear window Ü 3 42.
The preselected temperature is
automatically regulated. In the
automatic
mode the fan speed and air
distribution automatically regulate the
air flow.
The system can be manually adapted
by use of air distribution and air flow
controls. Data is shown on the Info-Display.
Setting modifications are briefly
shown in the Info-Display
,
superimposing over the currently
displayed menu. The electronic climate control system
is only fully operational when the
engine is running.
Do not cover the sensor on the
instrument panel for correct
operation.
Automatic mode
Basic setting for maximum comfort:
■
Press AUTO button.
■ Open all air vents.
■ Air conditioning on.
■ Set desired temperature.
Temperature preselection
Temperatures can be set to the
disired value.
For reasons of comfort, change
temperature only in small increments.
If the minimum temperature is set,
Lo appears in the display and the
electronic climate control system runs
at maximum cooling.
If the maximum temperature is set,
Hi appears in the display and the
electronic climate control system runs
at maximum heating. Fan speed
The selected fan speed is indicated
with
x
and the number in the display.
If the fan is switched off the air
conditioning is also deactivated.
To return to automatic mode: Press
AUTO button.
Demisting and defrosting the
windows
Press the V button. V appears in
the display.
Temperature and air distribution are
set automatically and the fan runs at
a high speed.
To return to automatic mode: press
button V or AUTO.
Switch on heated rear window Ü.
Manual settings in climate menu
Climate control system settings can
be changed via the centre control, the
buttons and the menus shown on the
display.
To view the menu, press the centre
control. The Climate menu appears in
the display.
Page 123 of 228

Climate control
123
Individual menu items are marked by
turning the centre control and
selected by pressing it.
To
exit a menu, turn the centre control
until Return or Main appear and
select.
Air distribution
Turn the centre control. The Air
distribut. menu is activated, showing
the possible air distribution settings:
Top = to windscreen and front door windows.
Centre = to vehicle occupants.
Bottom = to foot well.
The Air distribut. menu can also be
called up via the Climate menu.
Return to automatic air distribution:
Deactivate corresponding setting or
press button AUTO. Cooling
In the Climate menu, select menu
item AC and activate or deactivate
cooling.
The air condition system cools and
dehumidifies (dries) when outside
temperature
is above a specific level.
Therefore condensation may form
and drip from under the vehicle.
If no cooling or drying is required,
switch the cooling system off to save
fuel, Eco appears in the display. Fan regulation in automatic
mode
Fan
regulation in automatic mode can
be adapted.
Select menu item Automatic blower
from the Climate menu and select the
desired fan regulation.
Automatic air recirculation The automatic air recirculation
system has an air quality sensor
which can switch automatically to
recirculation.