Page 37 of 321
Keys, doors and windows35
AlarmWhen triggered, the alarm sounds via a separate battery-backed power
sounder, and the hazard warning
lights flash simultaneously. The
number and duration of alarm signals
are stipulated by legislation.
The anti-theft alarm system can be
deactivated only by pressing the
button c or by pressing the switch on
the door handle (electronic key
system) or switching on the ignition.
A triggered alarm, which has not been interrupted by the driver, will be
indicated by the hazard warning
lights. They will flash quickly three
times when the vehicle is unlocked
next time with the radio remote
control. Additionally a warning
message is displayed in the Driver
Information Centre after switching on
the ignition.
Vehicle messages 3 119.
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: switch theignition on then off, then disconnect
the vehicle's battery within
15 seconds.
Immobiliser The system is part of the ignition
switch and checks whether the
vehicle is allowed to be started with
the key being used.
The immobiliser is activated
automatically after the key is removed
from the ignition switch.
If control indicator d flashes when the
ignition is on, there is a fault in the
system; the engine cannot be started. Switch off the ignition and repeat start
attempt.
If control indicator d continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
Notice
The immobiliser does not lock the
doors. You should always lock the
vehicle after leaving it and switch on the anti-theft alarm system 3 22,
3 33.Control indicator d 3 108.
Page 39 of 321
Keys, doors and windows37
Folding mirrors with remote
control This function is only available if the
vehicle is equipped with electrical
seat memory.
Press button e
again after locking for
one second to fold in mirrors.
Press button c again after unlocking
for one second to fold out mirrors.
Pressing for three seconds activates
window operation. Power windows
3 39. Sunroof 3 41.
If the mirrors were folded in using the
control in the driver's door, they are
not folded out by pressing button c.
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 3 117.
Vehicle personalisation 3 121.
The settings are automatically stored
for the key being used 3 22.
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 49.
Activation or deactivation of this
function can be changed in the menu Settings in the Info-Display. Vehicle
personalisation 3 121.
Page 42 of 321
40Keys, doors and windows
Child safety system for rearwindows
Press switch z to deactivate rear
door power windows; the LED
illuminates. To activate, press z
again.
Comfort operating with the
remote control The windows can be operated
remotely from outside the vehicle.
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 36.
Closing sunroof 3 41.
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 3 119.
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.
Page 43 of 321
Keys, doors and windows41Heated 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.
If the sun visors have integral mirrors, the mirror covers should be closed
when driving.
Roller blinds To reduce sunlight at the rear seats,pull the blind upwards using the grip
and engage it at the top of the door
frame.Roof
Sunroof9 Warning
Take care when operating the
sunroof. Risk of injury, particularly to children.
Keep a close watch on the
movable parts when operating
them. Ensure that nothing
becomes trapped in them as they
move.
Operable with ignition in position
Accessory power mode or Ignition on
power mode 3 152, 3 152.
Retained power off 3 154.
Page 45 of 321
Keys, doors and windows43
Close or open the sunblind by
pressing switch H or G.
General hints Safety function
If the sunroof or sunblind encounters
resistance during automatic closing, it is immediately stopped and opened
again.
Override safety function
In the event of closing difficulties due to frost or the like, hold switch r
pressed to the second detent. The
sunroof closes without safety function
enabled. To stop movement, release
the switch.
Comfort closing with the remote
control
The sunroof can be closed remotely
from outside the vehicle.
Press and hold button e to close the
sunroof.
Release the button to stop the
movement.
Initialising after a power failure
After a power failure, it may only be possible to operate the sunroof to a
limited extent. Have the system
initialised by a workshop.
Page 53 of 321
Seats, restraints51
Storing memory positions by buttons
1 and 2
■ Adjust driver's seat and then adjust
exterior mirrors to desired
positions.
■ Press and hold button MEM and
button 1 at the same time until a
beep sounds.
■ Repeat the steps for a second driver using button 2.
Recall of memory positions
Press and hold button 1 or 2 until the
stored seat and exterior mirror
positions have been reached.
Releasing the button during seat
movement cancels the recall.
Storing positions by remote control
Actual driver's seat and exterior
mirror positions are automatically
stored by the radio remote control key
each time the ignition is switched off.
These stored positions are
independent of the memory positions
stored by the buttons 1 or 2, see
above.
The stored positions are
automatically recalled by unlocking
and opening the driver's door with the
memorised radio remote control key.
If the door is already open, press
button c on remote control to activate
the recall.
To stop recall movement, press one
of the memory-, power mirror- or
power seat controls.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 3 117.
Vehicle personalisation 3 121.
Easy exit function
For a convenient exit out of the
vehicle, the power driver seat moves
rearwards when vehicle is stationary.
To activate, switch off ignition,
remove key from the ignition switch
and open the driver's door. If the door
is already open, switch off ignition to
activate the recall.
To stop recall movement, press one
of the memory- or power seat
controls.
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 3 117.
Vehicle personalisation 3 121.
Page 54 of 321
52Seats, restraints
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.
Notice
After an accident in which airbags
have been deployed, the memorised settings for each position button willbe 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 3 156.
Page 88 of 321
86Instruments and controlsHeated 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 3 156.
Horn
Press j.
