Page 145 of 347

Lighting143They will switch off automatically after
a delay. This function works only in
the dark. Theatre lighting is activated
if the driver's door is opened during
this time.
Path lighting
Headlights, tail lights and number
plate lights illuminate the surrounding area for an adjustable time after
leaving the vehicle.
ActivatingHalogen headlights
1. Switch off the ignition.
2. Open the driver's door.
3. Pull the turn signal lever.
4. Close the 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.LED headlights
Path lighting is activated, when the
ignition is switched off and the driver's door is opened.
This function can be activated or
deactivated in the vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Info-Display.
Info-Display 3 119.
Vehicle personalisation 3 124.
The settings can be saved for the key being used 3 25.
Battery discharge protection
Vehicle battery state of charge
function
The function guarantees longest
vehicle battery life via a generator
with controllable power output and
optimised power distribution.
To prevent discharge of the vehicle
battery when driving, the following
systems are reduced automatically in two stages and finally switched off:
● auxiliary heater
● heated rear and front window
● heated steering wheel
● heated mirrors
● heated seats
● fan
In the second stage, a message
which confirms the activation of the
vehicle battery discharge protection
will be displayed in the Driver
Information Centre.
Page 167 of 347

Climate control165Climate controlClimate control systems.............165
Air conditioning system ...........165
Electronic climate control system .................................... 168
Auxiliary heater ........................174
Air vents ..................................... 174
Adjustable air vents .................174
Fixed air vents ......................... 175
Maintenance .............................. 175
Air intake ................................. 175
Air conditioning regular operation ................................ 176
Service .................................... 176Climate control systems
Air conditioning system
Illustration shows functions which
may not be available for your
particular vehicle.
Controls for: ● Fan speed E
● Temperature TEMP
● Air distribution w, x and y
● Air conditioning A/C
● Demisting and defrosting á
● Air recirculation n
● External air 5
● Heated rear window and exterior
mirrors b
● Heated windscreen ,
● Heated seats ß
Some changes of settings are
indicated briefly in the Info-Display.
Activated functions are indicated by
the LED in the respective button.
Fan speed E
Adjust the air flow by turning Z to the
desired speed.clockwise:increaseanti-clockwise:decrease
Temperature TEMP
Adjust the temperature by turning
TEMP to the desired temperature.
red area:warmerblue area:colder
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Page 168 of 347

166Climate controlAir distribution w x y
Press:w:to windscreen and front door
windowsx:to head area and rear seats via
adjustable air ventsy:to front and rear foot well and
windscreen
Combinations are possible.
Air conditioning A/C
Press A/C to switch on cooling.
Activation is indicated by the LED in
the button. Cooling is only functional
when the engine is running and
climate control fan is switched on.
Press A/C again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) as soon as the
outside temperature is slightly above the freezing point. Therefore
condensation may form and drip from under the vehicle.
If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons.
Activated cooling may inhibit
Autostops. Stop-start system 3 182.Demisting and defrosting the
windows á
● Press á: fan automatically
switches to higher speed, the air
distribution is directed towards
the windscreen.
● Set temperature controller TEMP to warmest level.
● Switch on air conditioning A/C if
required.
● Switch on heated rear window b.
● Switch on heated windscreen , if available.
Page 170 of 347
168Climate controlMaximum cooling
Briefly open the windows so that hot
air can disperse quickly.
● Switch on air conditioning A/C.
● Press n for air recirculation
system on.
● Press x for air distribution.
● Set temperature control TEMP to
coldest level.
● Set fan speed E to highest level.
● Open all vents.
Version with heated
windscreen ,
If the vehicle is equipped with heated
windscreen, button 5 is replaced by
button ,.
Heated rear window and exterior mirrors b
3 42
Heated windscreen ,
3 43.
Heated seats q
3 54.
Electronic climate control
system
The dual zone climate control allows
different temperatures for driver side
and front passenger side.
In automatic mode, temperature, fan
speed and air distribution are
regulated automatically.
Illustration shows functions which
may not be available for your
particular vehicle.
Page 171 of 347

Climate control169Controls for:● Control dial for temperature on driver side
● Control dial for temperature on passenger side
● CLIMATE enters the Climate
setting menu in the Info-Display
● Fan speed increase ( and
decrease )
● Climate control ON/OFF or â
● Automatic mode AUTO
● Manual air recirculation n
● Demisting and defrosting à
● Heated rear window and exterior mirrors b
● Heated windscreen ,
● Heated seats q
● Ventilated seats r
Activated functions are indicated by
the LED in the respective control.
The electronic climate control system
is only fully operational when the
engine is running.Climate setting menu CLIMATE
Settings for
● Air distribution w, x , y
● Fan speed E
● Temperature for driver and passenger side 23°/25°
● Dual zone temperature synchronisation SYNC
● Air conditioning ON/OFF
can be triggered manually in the
Climate setting menu. Press
CLIMATE to enter the menu and
follow the touch buttons.
Climate setting menu can also be
displayed by touching button g in the
Info-Display 3 119.
Changes of settings via the controls
are indicated as pop up in the
Info-Display.
Automatic mode AUTO
Basic settings for automatic control
with maximum comfort:
● Press AUTO, the air distribution
and fan speed are regulated
automatically.
● Open all air vents to allow optimised air distribution in
automatic mode.
Page 172 of 347

170Climate control● Cooling must be activated in theclimate setting menu for optimalcooling and demisting. Press
Climate to enter the menu and
follow the touch button to switch on air conditioning A/C.
● Set the preselected temperatures separately for
driver and front passenger using
the left and right control dials.
Recommended temperature is
22 °C. Temperature is indicated
briefly in displays beside the
control dials and in the climate
setting menu.
● Air recirculation mode n should
be deactivated. When
deactivated the LED in the button is not illuminated.
Manual settings Climate control system settings can
be changed by activating the
following functions as described
below.Fan speed ( )
Press upper button ( to increase or
lower button ) to decrease fan speed.
The fan speed is indicated as pop-up in the Info Display. Fan speed can
also be changed by touch buttons in
the climate setting display. Press
Climate to enter the menu.
Pressing the lower button ) for longer:
fan and cooling are switched off.
To return to automatic mode press
AUTO .
Air distribution w, x , y
Press Climate to enter the menu.
Touch:
w:to windscreen and front door
windowsx:to head area and rear seats via
adjustable air ventsy:to front and rear foot well and
windscreen
To return to automatic air distribution
press AUTO .
Page 176 of 347
174Climate controlBasic settingsFollowing settings can be changed in
the Personalisation menu in the
Info-Display:
● fan speed regulation in automatic
mode.
● settings of automatic rear window
heating.
● settings of automatic windscreen
dehumidification
● settings of automatic seat heating
Vehicle personalisation 3 124.
Heated rear window and exterior
mirrors b
3 42
Heated windscreen ,
3 43.
Heated seats q
3 54.
Ventilated seats r
3 54Auxiliary heater
Air heater Quickheat is an electric auxiliary airheater which automatically warms up
the passenger compartment more
quickly.Air vents
Adjustable air vents At least one air vent must be open
while cooling is on.
Illustration shows centre air vents in
instrument panel.
Page 319 of 347
Technical data317Vehicle dimensionsGrand SportSports Tourer, Country TourerLength min.-max. [mm]4897-49104986-500411)Width with folded exterior mirrors [mm]19411941Width with unfolded exterior mirrors [mm]20932093Height (without antenna) [mm]1425-1485 12)1450-1550 12)Vehicle height - Rear compartment open [mm]21282065-2088 11)Length of load compartment floor [mm]11331178Length of load compartment with folded rear seats [mm]19372005Load compartment width [mm]10301030Load compartment height [mm]497384Wheelbase [mm]28292829Turning circle diameter [m]11.7511.7511)
Minimum length for standard version, maximum length for Country Tourer version.
12) Depending on body- and equipment variants.