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16In briefClimate controlHeated rear window, heatedexterior mirrors
Heating is operated by pressing the
Ü button.
Heated rear window 3 41.
Demisting and defrosting the
windows, air conditioning
system
Press button V.
Set temperature control to warmest
level.
Switch on heated rear window Ü.
Air conditioning system 3 134.
Demisting and defrosting the
windows, automatic climate control
Press button V.
Temperature and air distribution are
set automatically and the fan runs at
high speed.
Switch on heated rear window Ü.
Dual automatic climate control
3 140
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38Keys, doors and windows
This function can be activated or
deactivated in the Vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 114.
Vehicle personalisation 3 118.
The settings are automatically stored
for the key being used 3 23.
Heated mirrors
Operated by pressing the Ü button.
The LED in the button indicates
activation.
Heating works with the engine
running and is switched off
automatically after a short time.
Automatic dimming Dazzling by following vehicles at nightis automatically reduced by dimming
both exterior mirrors.
Parking assist
For mirrors with position memory, the exterior mirror on the passenger side
is automatically aimed at the rear
tyres as a parking aid when reverse
gear is selected, except during trailer
operation.
Position memory 3 50.
Activation or deactivation of this
function can be changed in the menu Settings in the Info-Display. Vehicle
personalisation 3 118.Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.
Page 43 of 321

Keys, doors and windows41
Press button c again for
three seconds after unlocking: all
windows will be opened.
Press button e again for
three seconds after locking: all
windows will be closed.
Press any button to stop window
movement.
Folding mirrors 3 37.
Closing sunroof 3 42.
Confirmation
Complete opening or closing of the
windows is confirmed by the hazard
warning flashers.
Overload
If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
Initialising the power windowsIf 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 3 116.
Activate the window electronics for
each window as following:
1. Close doors.
2. Switch on ignition.
3. Pull switch to the second detent until the window starts to close
and hold pulled for additional
4 seconds.
4. Push switch to the second detent until the window starts to open
automatically.
5. Repeat for each window.Heated rear window
Operated by pressing the Ü button.
The LED in the button indicates
activation.
Heating works with the engine
running and is switched off
automatically after a short time.
Sun visors The sun visors can be folded down orswivelled to the side to prevent
dazzling.
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Seats, restraints53
Safety function
If the driver's seat encounters resistance during movement, the
recall may stop. After removing the
obstruction, press and hold the
appropriate power seat position
button for the memory item for
two seconds. Try recalling the
memory position again. If the recall
does not operate, consult a
workshop.
Overload
If the seat setting is electrically overloaded, the power supply is
automatically cut-off for a short time.
Note
After an accident in which airbags
have been deployed, the memorised
settings for each position button will
be deactivated.Armrest
Push button and fold armrest
upwards. Under the armrest there is
a storage compartment.
Auxiliary devices, see Infotainment
system manual.
Heating
Adjust heating to the desired setting
by pressing button ß for the
respective seat one or more times.
The control indicator in the button
indicates the setting.
Prolonged use of the highest setting
for people with sensitive skin is not
recommended.
Seat heating is operational when engine is running and during an
Autostop.
Stop-start system 3 153.
Page 85 of 321
Instruments and controls83Heated steering wheel
Activate heating by pressing *
button. Activation is indicated by the
LED in the button.
The recommended grip areas of the
steering wheel are heated quicker
and to a higher temperature than the
other areas.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 153.
Horn
Press j.
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104Instruments and controlsElectronic Stability Control
off
n illuminates yellow.
The system is deactivated.
Electronic Stability Control
and Traction Control system
b illuminates or flashes yellow.
Illuminates A fault in the system is present.
Continued driving is possible. Driving
stability, however, may deteriorate depending on road surface
conditions.
Have the cause of the fault remedied
by a workshop.
Flashes
The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.Electronic Stability Control 3 167,
Traction Control system 3 166.
Traction Control system off
k illuminates yellow.
The system is deactivated.
Preheating ! illuminates yellow.
Preheating is activated. Only
activates when outside temperature
is low.
Diesel particle filter
% illuminates or flashes yellow.
The diesel particle filter requires
cleaning.
Continue driving until %
extinguishes. If possible, do not allow engine speed to drop below
2000 rpm.Illuminates
The diesel particle filter is full. Start
cleaning process as soon as
possible.
Flashes
The maximum filling level of the filter
is reached. Start cleaning process
immediately to avoid damage to the
engine.
Diesel particle filter 3 156, Stop-start
system 3 153.
Tyre pressure monitoring system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
Flashes Fault in system or tyre without
pressure sensor mounted (e.g. spare
wheel). After 60-90 seconds the
control indicator illuminates
continuously. Consult a workshop.
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118Instruments and controls
During an Autostop■ If the driver's door is opened.
Battery voltage When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.
1. Switch off any electrical consumers which are not required
for a safe ride, e.g. seat heating,
heated rear window or other main consumers.
2. Charge the vehicle battery by driving continuously for a while or
by using a charging device.
The warning message will disappear
after the engine has been started
twice without a voltage drop.
If the vehicle battery cannot be
recharged, have the cause of the fault remedied by a workshop.Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings in the Colour-Info-Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 23.
Depending on vehicle equipment and
country-specific regulations some of
the functions described below might
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings Following the changing of personal
settings is described via the buttons
below the display. This is valid for
4.2'' as well as 8'' Colour-Info-Display.
Additionally the 8'' display is operable
as a touchscreen and with the
touchpad between the front seats. See description Colour-Info-Display
3 114 and the Infotainment system
manual.
With active display, press button ;.
Turn button MENU to select Settings
display icon.
Press button MENU to confirm.
The following settings can be
selected by turning and pressing the
multifunction knob:
■ Time and Date
■ Sport Mode
■ Language (Language)
■ Valet Mode
■ Radio
■ Vehicle
■ Bluetooth
Page 136 of 321
134Climate controlClimate controlClimate control systems ............. 134
Air vents ..................................... 145
Maintenance .............................. 146Climate control systems
Air conditioning system
Controller and buttons for the
following functions:
■ Temperature TEMP
■ Air distribution l M K
■ Fan speed Z
■ Cooling A/C
■ Air recirculation 4
■ Demisting and defrosting V
Heated rear window Ü 3 41.
Heated seats ß 3 53.
Ventilated seats
A 3 54.
Heated steering wheel * 3 83.
Temperature TEMP
Turn controller:
red=warmblue=cold
Heating will not be fully effective until
the engine has reached normal
operating temperature.