Page 17 of 283
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 40.
Heated exterior mirrors
Pressing b also activates the heated
exterior mirrors.
Heated exterior mirrors 3 37.
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 283
16In brief●switch on heated windscreen ,
● open side air vents as required and direct them towards the doorwindows
Heating and ventilation system
3 122.
Air conditioning system 3 123.
Heated windscreen 3 41.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 21 of 283

In brief19Stop-start system
If the vehicle is at a low speed or at astandstill and certain conditions are
fulfilled, an Autostop is activated.
An Autostop is indicated by control
indicator D.
Manual transmission: to restart the
engine, depress the clutch pedal
again. Control indicator D
extinguishes.
Automatic transmission: to restart the
engine, release the brake pedal.
Control indicator D extinguishes.
Stop-start system 3 138.
Parking9 Warning
● Do not park the vehicle on an
easily ignitable surface. The
high temperature of the
exhaust system could ignite the
surface.
● Always apply the parking brake.
● If the vehicle is on a level surface or uphill slope, engage
first gear or set the selector
lever to position P. On an uphill
slope, turn the front wheels
away from the kerb.
If the vehicle is on a downhill
slope, engage reverse gear or
set the selector lever to position
P . Turn the front wheels
towards the kerb.
● Close the windows.
● Switch off the engine.
● Remove the ignition key from the ignition switch or switch off
ignition on vehicles with power
button. Turn the steering wheel until the steering wheel lock is
felt to engage.
● Lock the vehicle with e on the
radio remote control.
Activate the anti-theft alarm
system 3 34.
● The engine cooling fans may run
after the engine has been
switched off 3 213.
Caution
After running at high engine
speeds or with high engine loads,
operate the engine briefly at a low load or run in neutral for
approx. 30 seconds before
switching off, in order to protect
the turbocharger.
Keys, locks 3 20.
Laying-up the vehicle for a long
period of time 3 212.
Page 124 of 283

122Climate controlClimate controlClimate control systems.............122
Heating and ventilation system 122
Air conditioning system ...........123
Electronic climate control system .................................... 126
Auxiliary heater ........................130
Parking heater ......................... 130
Air vents ..................................... 131
Adjustable air vents .................131
Fixed air vents ......................... 132
Glovebox cooler ......................132
Maintenance .............................. 132
Air intake ................................. 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 40.
Heated exterior mirrors b 3 37.
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.
clockwise:increaseanticlockwise:decrease
Page 125 of 283
Climate control123Demisting 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.
Heated rear window, windscreen and exterior mirrors b 3 40.
Heated seats ß 3 50.
Air conditioning system
Controls for:
● temperature £
● air distribution l, M and K
● fan speed Z
● demisting and defrosting à
● cooling A/C
● air recirculation 4
● heated rear window and exterior mirrors b
● heated windscreen ,
● heated seats ß
Heated rear window b3 40.
Heated exterior mirrors b3 37.
Heated windscreen , 3 41.
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 126 of 283

124Climate controlHeating 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.
clockwise:increaseanticlockwise:decreaseCooling 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 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 3 138.
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
Page 127 of 283

Climate control125humidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the vehicle
occupants to feel drowsy.
In warm and very humid ambient air conditions, the windscreen may mist
up from outside when cold air is
directed towards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate l.
Maximum cooling
Briefly open the windows so that hot
air can disperse quickly.
● Switch on cooling A/C.
● Press 4 for air recirculation
system on.
● Press M for air distribution.
● Set temperature control £ to
coldest level.
● Set fan speed Z to highest level.
● Open all vents.
Heated rear window, windscreen and exterior mirrors b 3 40.
Heated seats ß 3 50.
Demisting and defrosting the
windows● Press à: the air distribution is
directed towards the windscreen.
● Set temperature controller £ to
warmest level.
● Switch on cooling A/C, if
required.
● Set fan speed Z to highest level.
● Switch on heated rear window b.
● Switch on heated windscreen ,.
● Open side air vents as required and direct them towards the doorwindows.
Notice
If à is pressed while the engine is
running, an Autostop will be inhibited until à is pressed again.
If à is pressed while the engine is in
an Autostop, the engine will restart
automatically.
Stop-start system 3 138.
Page 128 of 283

126Climate controlElectronic climate controlsystem
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.
Controls for:
● temperature on driver side £
● MENU enters the Climate setting
menu in the Info Display
● fan speed Z
● automatic mode AUTO
● temperature on front passenger
side £
● cooling A/C
● manual air recirculation 4
● demisting and defrosting à
● heated rear window and exterior mirrors b
● heated windscreen ,
● heated seats ß
● ventilated seats A
Heated rear window Ü 3 40.
Heated exterior mirrors Ü 3 37.
Heated seats ß 3 50.
Ventilated seats A 3 50.
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.
Make sure the sun sensor used by the
electronic climate control system is
not covered 3 10.Climate control settings menu
Press MENU to manually set the
following climate control functions:
● air distribution l, M , K
● fan speed Z
● temperature for driver and passenger side
● dual zone temperature synchronisation MONO
● cooling A/C
● automatic mode AUTO