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Keys, doors and windows29
Seek the assistance of a workshop in
the event of faults.
Deactivation
Unlocking the vehicle by pressing c
deactivates the anti-theft alarm system.
The system is not deactivated by
unlocking the driver's door with the
key or with the central locking button
in the passenger compartment.
Alarm When triggered, the alarm horn
sounds and the hazard warning lights
flash simultaneously. The number
and duration of alarm signals are
stipulated by legislation.
The alarm can be silenced by
pressing any button on the radio
remote control or by switching on the
ignition.
The anti-theft alarm system can be
deactivated only by pressing c or by
switching on the ignition.
A triggered alarm, which has not been interrupted by the driver, will be
indicated by the hazard warninglights. They will flash quickly three
times the next time the vehicle is
unlocked with the radio remote
control. Additionally a warning
message or a warning code is
displayed in the DIC after switching
on the ignition.
Vehicle messages 3 125.
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: switch the
ignition 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 has been removed from the ignition switch.If the 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 the
start attempt.
If the control indicator 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 27.
Control indicator d 3 117.
Page 32 of 337
30Keys, doors and windowsExterior mirrors
Convex shape
The convex exterior mirror contains
an aspherical area and reduces blind spots. The shape of the mirror makes
objects appear smaller, which will
affect the ability to estimate
distances.
Electric adjustment
Select the relevant exterior mirror by
turning the control to left (L) or right
(R) . Then swivel the control to adjust
the mirror.
In position 0 no mirror is selected.
Folding mirrors
For pedestrian safety, the exterior
mirrors will swing out of their normal
mounting position if they are struck
with sufficient force. Reposition the mirror by applying slight pressure tothe mirror housing.
Electric folding
Turn control to 0, then push the
control down. Both exterior mirrors
will fold.
Push the control down again - both
exterior mirrors return to their original position.
If an electrically folded mirror is
manually extended, pressing down
the control will only electrically extend
the other mirror.
Page 33 of 337
Keys, doors and windows31Heated mirrors
Operated by pressing Ü.
Heating works with the engine
running and is switched off
automatically after a short time.
Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.
Automatic anti-dazzle
Dazzle from following vehicles at
night is automatically reduced.
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32Keys, doors and windowsWindows
Windscreen
Heat-reflecting windscreen
The heat-reflecting windscreen has a
coating which reflects solar radiation. Also data signals, e.g. from tollstations, might be reflected.
The marked areas on the windscreen are not covered with the coating.
Devices for electronic data recording
and fee payment must be attached in
these areas. Otherwise data
recording malfunctions may occur.
Windscreen stickers
Do not attach stickers such as toll
road stickers or similar on the
windscreen in the area of the interior
mirror. Otherwise the detection zone
of the sensor and the view area of the camera in the mirror housing could be restricted.
Manual windows The door windows can be opened or
closed with the window cranks.
Power windows9 Warning
Take care when operating the
power windows. Risk of injury,
particularly to children.
If there are children on the rear seats, switch on the child safety
system for the power windows.
Keep a close watch on the
windows when closing them.
Ensure that nothing becomes
trapped in them as they move.
Switch on ignition to operate power
windows. Retained power off 3 160.
Operate the switch for the respective
window by pushing to open or pulling to close.
Pushing or pulling gently to the first
detent: window moves up or down as
long as the switch is operated.
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Keys, doors and windows33
Pushing or pulling firmly to the second
detent and then releasing: window
moves up or down automatically with
safety function enabled. To stop
movement, operate the switch once
more in the same direction.
Safety function
If the window glass encounters
resistance above the middle of the
window 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, switch on the
ignition, then pull the switch to the first
detent and hold. The window moves
up without safety function enabled.
To stop movement, release the
switch.Child safety system for rear
windows
Press z to deactivate rear door
power windows; the LED illuminates.
To activate, press z again.
Operating windows from outside
The windows can be operated
remotely from outside the vehicle.
Press and hold c to open windows.
Press and hold e to close windows.
Release button to stop window
movement.
If the windows are fully opened or
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.
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34Keys, doors and windows
Initialising the power windowsIf the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery), a
warning message or a warning code
is displayed in the Driver Information
Centre (DIC).
Vehicle messages 3 125.
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 2 seconds.
4. Repeat for each window.Heated rear window
Operated by pressing Ü.
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.
A ticket holder is located on the
backside of the sun visor.
Page 37 of 337

Keys, doors and windows35Roof
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.
Switch on ignition to operate the sunroof.
Open or close
Press p or r gently to the first
detent: sunroof is opened or closed
with safety function enabled as long
as the switch is operated.
Press p or r firmly to the second
detent and then release: the sunroof
is opened or closed automatically
with safety function enabled. To stop
movement, operate the switch once
more.
Raise or close
Press q or r : sunroof is raised or
closed automatically with safety
function enabled.
If the sunroof is raised, it can be
opened in one step by pressing p.
Sunblind
The sunblind is manually operated.
Close or open the sunblind by sliding. When the sunroof is open, the
sunblind is always open.
General hints Safety function
If the sunroof encounters resistance
during automatic closing, it is
immediately stopped and opened
again.
Override safety function
In the event of closing difficulties,
e.g. due to frost, hold the switch r
pressed to the second detent. The
sunroof closes with safety function
disabled. To stop movement, release the switch.
Closing sunroof from outside
The sunroof can be closed remotely
from outside the vehicle.
Page 38 of 337
36Keys, doors and windows
Press and hold 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 your workshop.
Glass panel
Panorama roof
Turn the handle and move the roof
cover to a suitable position.
The roof cover engages in position
after releasing the handle.
Notice
Close the sun visors before sliding
the roof lining.