Page 17 of 263
In brief15Climate control
Heated rear windowHeating and ventilation system, air
conditioning system
The heating is operated by pressing
b .
Electronic climate control system
The heating is operated by pressing
b .
Heated rear window 3 41.
Heated exterior mirrors
Pressing b also activates the heated
exterior mirrors.
Heated exterior mirrors 3 39.
Demisting and defrosting the
windows
Heating and ventilation system, air conditioning system
● Press à: the air distribution is
directed towards the windscreen.
● Set temperature controller £ to
warmest level.
● Switch on air conditioning A/C, if
required.
● Set fan speed Z to highest level.
● Switch on heated rear window b.
Page 18 of 263
16In brief● Switch on heatedwindscreen ,.
● Open side air vents as required and direct them towards the doorwindows.
Heating and ventilation system
3 123.
Air conditioning system 3 124.
Heated windscreen 3 42.Electronic climate control system
● Press à. The LED in the button
illuminates to indicate activation.
● Temperature and air distribution are set automatically and the fan
runs at high speed.
● Switch on air conditioning by pressing A/C, if required.
● Switch on heated rear window b.
● Switch on heated windscreen ,.
● To return to previous mode, press à again. To return to
automatic mode, press AUTO.
Electronic climate control system
3 126.
Page 43 of 263

Keys, doors and windows41Child safety system for rear
windows
Press V to deactivate rear door
power windows; the LED illuminates.
To activate, press V again.
Operating windows from outside
The windows can be operated
remotely from outside the vehicle.
Press and hold e to close windows.
Release button to stop window
movement.
If the windows are fully closed, the
hazard warning lights will flash twice.
Overload
If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
Initialising the power windows If the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery), a
warning message is displayed in the
Driver Information Centre.
Vehicle messages 3 103.
Activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Pull switch until the window is closed and keep pulling for
additional two seconds.
4. Push switch until the window is completely open and keep
pushing for additional two
seconds.
5. Repeat for each window.Heated rear window
Operated by pressing b together with
heated exterior mirrors.
Heating works with the engine
running and is switched off
automatically after a short time.
Depending on climate control system, b is located at a different position.
Vehicles with heating and
ventilation system or air
conditioning system
Page 44 of 263
42Keys, doors and windowsVehicles with electronic climate
control system
Heated windscreen
Operated by pressing ,. LED in
button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Depending on climate control
system, , is located at a different
position.
Vehicles with electronic climate
control system
Vehicles with air conditioning
system
Sun visors
The sun visors can be folded down or swivelled to the side to prevent
dazzling.
If the sun visors have integral mirrors, the mirror covers should be closed
when driving.
A ticket holder is located on the
backside of the sun visor.
Roller blinds
To reduce sunlight at the second row seats, pull the blind upwards using
the grip and engage it at the top of the
door frame.
Page 106 of 263

104Instruments and controls● If a warning message appears inthe Driver Information Centre.
● If the electronic key is not in the passenger compartment.
● If the parking assist detects an object.
● If an unintended lane change occurs.
● If the diesel particle filter has reached the maximum filling
level.
When the vehicle is parked and/or the driver's door is opened
● With exterior lights on.
During an Autostop ● If the driver's door is opened.
● If any condition for an autostart is
not fulfilled.
Battery voltage
When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.When the vehicle is being driven, the
load reduction function temporarily
deactivates certain functions, such as the air conditioning, the heated rear
screen, heated steering wheel, etc.
The deactivated functions are
reactivated automatically as soon as
conditions permit.Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings in the Info-Display.
Depending on vehicle equipment and
country-specific regulations some of
the functions described below may
not be available.
Some functions are only displayed or
active when the engine is running.
Graphic-Info-Display
Press MENU to open the menu page.
Use four-way button to operate the
display:
Page 125 of 263

Climate control123Climate controlClimate control systems.............123
Heating and ventilation system 123
Air conditioning system ...........124
Electronic climate control system .................................... 126
Auxiliary heater ........................131
Air vents ..................................... 131
Adjustable air vents .................131
Fixed air vents ......................... 132
Glovebox cooler ......................132
Maintenance .............................. 132
Air intake ................................. 132
Pollen filter ............................... 132
Air conditioning regular operation ................................ 132
Service .................................... 132Climate control systems
Heating and ventilation system
Controls for: ● temperature £
● air distribution l, M and K
● fan speed Z
● demisting and defrosting à
● heated rear window and exterior mirrors b
● heated seats ß
Heated rear window b 3 41.
Exterior mirrors b3 39.
Heated seats ß 3 50.
Temperature
Adjust the temperature by turning
£ to the desired temperature.red area:warmerblue area:colder
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distribution
l:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed
Adjust the air flow by turning Z to the
desired speed.
to the right:increaseto the left:decrease
Page 126 of 263
124Climate controlDemisting and defrosting
● Press à: the air distribution is
directed towards the windscreen.
● Set temperature controller £ to
warmest level.
● Set fan speed Z to highest level.
● Switch on heated rear window b.
● Open side air vents as required and direct them towards the doorwindows.
Air conditioning system
Controls for:
● temperature £
● air distribution l, M and K
● fan speed Z
● demisting and defrosting à
● air conditioning A/C
● air recirculation 4
● heated rear window and exterior mirrors b
● heated windscreen ,
● heated seats ß
Heated rear window b3 41.
Heated exterior mirrors b3 39.
Heated windscreen , 3 42.
Heated seats ß 3 50.
Some setting changes are indicated
briefly in the Info-Display. Activated
functions are indicated by the LED in
the respective button.
Temperature
Adjust the temperature by turning
£ to the desired temperature.
red area:warmerblue area:colder
Page 127 of 263

Climate control125Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributionl:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed
Adjust the air flow by turning Z to the
desired speed.
to the right:increaseto the left:decreaseAir conditioning A/C
Press A/C to switch on cooling. The
LED in the button illuminates to
indicate activation. 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 3 139.
Air recirculation system
Press 4 to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press 4 again to deactivate air
recirculation mode.
9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air humidity increases, so the