
Climate control
Activating/deactivating rear win-
dow heating ................................... 117
Activating/deactivating the auxil-
iary heating/ventilatio n................. 120
Convenience opening/closing (air
recirculation) ................................. 118
Demisting the windows .................. 117
Important safety information .........110
Indicator lamp ................................ 114
Problems with "cooling with air
dehumidification" ........................... 114
Problems with the rear window
heating .......................................... 117
Setting the climate mode (AIR
FLOW) ............................................ 114
Switching the ZONE function on/
off .................................................. 116
Clock( on-board computer) ...............206
Cockpit ................................................. 24
Collapsible spare wheel see Emergency spare wheel
Combination switch ............................99
Constant headlamp mode see Daytime driving lights
Consumption statistics (on-board
computer) .......................................... 198
Convenience box ............................... 252
Convenience closing feature ..............79
Convenience opening/closing Air-recirculation mode ...................118
Convenience opening feature ............79
Coolan t(engine)
Checkin gthe level ......................... 268
Display message ............................ 224
Notes ............................................. 322
Temperature (on-board computer) .212
Temperature gauge ........................ 194
Warning lamp ................................. 244
Cooling
see Climate control
Cornering light function (display
message) ............................................ 221
Crash-responsive emergency light-
ing ....................................................... 104Cruise control
Cruise control leve r....................... 152
Display message ............................ 231
Cup holder ......................................... 255
Centre console .............................. 255
Rea rcompartmen t......................... 255
Current fuel consumption (on-
board computer) ............................... 198 D
Dashboard see Cockpit
Data, technical .................................. 316
Date (on-board computer) ................206
Daytime driving lights Display message ............................ 223
Switching on/off (on-board com-
puter) ............................................. 207
Delaye dswitch-off
Exterio rlighting (on-board com-
puter )............................................. 208
Interior lighting (on-board com-
puter) ............................................. 209
Diesel particle filter ..........................149
Digital speedometer .........................198
Dipped-beam headlamps Display message ............................ 221
Setting for driving on the right/
left (on-board computer) ................207
DIREC TSELECT lever
see Automatic transmission
Display (cleaning instructions) ........274
Display messages ASSYST PLUS service interval dis-
play................................................ 269
Brakes ........................................... 219
Calling up (on-board computer) .....215
Clearing (on-board computer) ........215
Driving systems ............................. 226
Engine ............................................ 224
Key ................................................ 236
KEYLESS-GO .................................. 236
Lamp s............................................ 221
Safety systems .............................. 215
Tyres .............................................. 232
Vehicle .......................................... .234 Index
7

X
Turn the key to position 2in the ignition
lock.
X Press the Ãbutton.
X Press the ñbutton repeatedly until the
desired climate mode appears in the dis-
play. Setting the temperature
THERMATIC 2-zone automatic climate
control Different temperatures can be set for the
driver's and front-passenger sides.
X Turn the key to position 2in the ignition
lock.
X To increase/reduce: turn controls:or
B clockwise or anti-clockwise
(Y page 111).
Only change the temperature setting in
small increments. Start at 22 †.
THERMOTRONIC luxury 3-zone auto-
matic climate control Climate zones of THERMOTRONIC luxury 3-zone
automatic climate control
You can select different temperature settings
for the driver's and front-passenger sides as
well as for the rear compartment.
X Turn the key to position 2in the ignition
lock.
X To increase/reduce the temperature in
the front compartment: turn controls:or
B clockwise or anti-clockwise
(Y page 112).
Only change the temperature setting in
small increments. Start at 22 †.
X To increase/reduce the temperature in
the rear compartment using the front
control panel: press theábutton.
The indicator lamp in the ábutton goes
out.
X Turn control :clockwise or anti-clockwise
(Y page 112).
Only change the temperature setting in
small increments. Start at 22 †.
The temperature setting on the driver's
side is adopted for the rear compartment
and the front-passenger side.
X To increase/reduce the temperature in
the rear compartment using the rear
control panel: press therors
button on the rear control panel.
Only change the temperature setting in
small increments. Start at 22 †.
i If you leave the vehicle parked for longer
than 30 minutes, the temperature setting
for the rear compartment then switches
back to 22 †. Setting the air distribution
P Directs the airflow through the centre
and side air vents
O Directs the airflow through the foot-
well air vents
S Directs the airflow through the centre
and side air vents as well as the foot-
well air vents
¯ Directs the airflow through the demis-
ter vents
b Directs the airflow through the centre
and side air vents as well as the demis-
ter vents Operating the climate control system
115Climate control Z

X
Press the Ãbutton.
The indicator lamp in the ¬button goes
out. Airflow and air distribution are set to
automatic mode.
or
X Turn controls :orB clockwise or anti-
clockwise (Y page 111), (Y page 112).
or
X Press the KorI button. Demisting the windows
Windows misted up on the inside X
Activate the ¿cooling with air dehu-
midification function.
X Activate automatic mode Ã.
X If the windows continue to mist up, activate
the demisting function (Y page 116).
i You should only select this setting until
the windscreen is clear again.
Windows misted up on the outside X
Activate the windscreen wipers.
X Press the _button repeatedly until the
P orO symbol appears in the dis-
play.
i You should only select this setting until
the windscreen is clear again. Rear window heating
Activating/deactivating G
Risk of accident
Clear all windows of ice or snow before setting
off. Otherwise, impaired visibility could
endanger you and others.
The rear window heating has ahigh current
draw. You should therefore switch it off as
soon as the window is clear, as it only
switches off automatically after several
minutes. If the battery voltage is too low, the rear win-
dow heating may switch off.
X Turn the key to position 2in the ignition
lock.
X Press the ¤button.
The indicator lamp in the ¤button lights
up or goes out.
Problems with the rea rwindow heating The rear window heating has switched off
prematurely or cannot be activated.
X
Switch off any consumers that are not
required, e.g. reading lamps or interior
lighting.
When the battery is sufficiently charged,
the rear window heating is activated again
automatically. Activating/deactivating air-recircula-
tion mode
You can deactivate the flow of fresh air if
unpleasan todours are entering the vehicle
from outside. The air already inside the vehi-
cle will then be recirculated.
The operation of the air-recirculation mode is
the same for all contro lpanels. G
Ris
kofa ccident
Only switch ove rto air-recirculation mode
briefly at low outside temperatures. Other-
wise, the windows could mist up, thus impair-
ing visibility and endangering yourself and
others. This may prevent you from observing
the traffic conditions, thereby causing an
accident.
X Turn the key to position 2in the ignition
lock.
X To switch on: press thegbutton.
The indicator lamp in the gbutton lights
up. Operating the climate control system
117Climate control Z

Setting the centre air vents
:
Centre air vent, left
; Centre air vent, right
= Centre vent thumbwheel, right
? Centre vent thumbwheel, left
X To open/close: turn thumbwheels =
and ?up or down. Setting the side air vents
X
To open/close: turn thumbwheel =up or
down.
i Side window demister vent :is never
completely shut, even if side air vent ;is
shut. Setting the air vents in the glove com-
partment
When automatic climate control is activated,
the glove compartmen tcan be ventilated, for
instance to cool its contents .The level of air- flow depends on the airflow and air distribu-
tion settings.
!
Close the air vent when heating the vehi-
cle.
At high outside temperatures, open the air
vent and activate the "cooling with air dehu-
midification" function. Otherwise, temper-
ature-sensitive items stored in the glove
compartmentc ould be damaged. :
Air vent thumbwheel
; Air vent
X To open/close: turn thumbwheel :
clockwise or anti-clockwise. Setting the rear-compartment air
vents
Setting the centre vents in the rear com-
partment :
Rear-compartment air vent thumbwheel
; Rear-compartment air vent, right 124
Adjusting the air ventsClimate control

X
Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Inst. cluster submenu.
X Press the abutton to confirm.
X Press the :or9 button to select the
Display unit Speed-/odometer func-
tion.
You will see the selected setting: km or
miles .
X Press the abutton to save the setting.
Selecting the permanent display function
i Vehicles for the United Kingdom: this
function is not available.
The Permanent display function allows you
to choose whether the status area in the mul-
tifunction display always shows the outside
temperature or the speed in mph.
X Press the =or; button on the steer-
ing wheel to select the Sett. menu.
X Press the :or9 button to select the
Inst. cluster submenu.
X Press the abutton to confirm.
X Press :or9 to select the Perma‐ nent display function.
You will see the selected setting Outsidetemperature or
Dig. speedom [mph] .
X Press the abutton to save the setting.
Time/date This submenu is only available on vehicles
with Audio 20.
In the
Time/date submenu, you can set the
time and date.
The set time is also used for the analogue
clock in the centre console.
Your vehicle could have the following audio
equipment:
A: Audio 20
B: Audio 50 APS
C: COMAND APS X
Refer to the separate operating instruc-
tions to find out which audio system is fit-
ted in your vehicle.
Depending on the audio system, the time and
date are received from GPS satellites and
cannot be set using the on-board computer
(see the following table). A B C
Setting using the on-board com-
puter X
Automatic GPS satellite recep-
tion X X
Setting the time zone once; see
the separate operating instruc-
tions X X
X
Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Time/Date submenu.
X Press the abutton to confirm.
X Press the :or9 button to select
Time: or
Date: .
The curren ttime or date set is displayed.
X Press ato change the setting.
X Press the =or; button to selec tthe
display you want to change: hour, minute,
day, month, year.
X Press the :or9 button to set the
selected display.
X Press the abutton to store the entry.
Lights Setting brightness for display/switches
X
Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Light submenu.
X Press the abutton to confirm. 206
Menus and submenusOn-board computer and displays