Page 38 of 219

36Keys, doors and windows
During the first 10 seconds of anti-
theft alarm system activation:LED illu‐
minates=Test, ignition delay,LED
flashes
quickly=Door, load
compartment or bonnet open, or system fault.
After the first 10 seconds of anti-theft
alarm system activation:
LED flashes
slowly=System active,LED comes on for approx. 1 second=Switch off
function.
Seek the assistance of a workshop in
the event of faults.
Deactivation
Unlocking the vehicle deactivates the anti-theft alarm system.
Alarm When triggered, the alarm gives off
an acoustic signal (horn) and a visual
signal (hazard warning flashers). The number and duration of which are
stipulated by legislation.
The alarm siren can be silenced by
pressing a button of the radio remote control or by switching on the ignition.
The anti-theft alarm system can be
deactivated only by pressing button
p or by switching on the ignition.
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 checks whether the
vehicle is allowed to start with the key
being used. If the transponder in the
key is recognised, the engine can be
started.
The immobiliser is going to be
activated automatically after the key
has been removed from the ignition
switch or when the engine is switched
off by pressing the Start/Stop button.
Control indicator A 3 89.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 30,
3 34.
Page 39 of 219
Keys, doors and windows37Exterior 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
First select the relevant exterior mirrorthen swivel the control to adjust.
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.
Manual folding
The exterior mirrors can be folded in
by pressing gently on the outer edge
of the housing.
Electric folding
Press the n button and both exterior
mirrors will fold.
Press button n again - both exterior
mirrors return to their original position.
If an electrically folded mirror is
manually extended, pressing the n
button will only electrically extend the
other mirror.
Page 40 of 219
38Keys, doors and windowsHeated mirrors
Operated by pressing the Ü button.
Heating functions 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.
Page 41 of 219

Keys, doors and windows39Windows
Windscreen
Heat-reflecting windscreen The heat-reflecting windscreen has a
coating which reflects solar radiation.
Also data signals, e.g. from toll
stations, 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 winders.
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.
Power windows can be operated
■ with ignition on,
■ within 5 minutes of switching ignition off,
■ within 5 minutes of switching ignition key to position 1.
After switching off the ignition, the
standby feature ceases when the
driver's door is opened.
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40Keys, doors and windows
Operate the control to open or close
the window.
For vehicles with automatic feature
pull or press the switch again to stop
window movement.
Safety function
If the window glass encounters
resistance above the middle of the
window during automatic closing, it is immediately stopped and the window
opened again.
In the event of closing difficulties due
to frost or the like, operate the switch
several times to close the window in
stages.Child safety system for rear
windows
Switch z can be used to activate or
deactivate the switches in the rear
doors.
Operating windows from outside
The windows can be operated
remotely from outside the vehicle.
Radio remote control
Press q or p until all windows have
opened or closed.
Page 43 of 219

Keys, doors and windows41
Electronic key
To close, touch the sensor field in the
door handle until all windows are
completely closed.
The electronic key must be outside
the vehicle, within a range of approx. 1 metre.
Overload If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
Fault
If the windows cannot be opened or
closed automatically, activate the window electronics as follows:
1. Close doors.
2. Switch on ignition.
3. Close the window completely and
operate the button for a further
5 seconds.
4. Open the window completely and operate the button for a further
1 second.
5. Repeat for each window.
Heated rear windowOperated by pressing the Ü button.
Heating functions with the engine running and is switched off
automatically after a short time.
Depending on the engine type, the
heated rear window comes on
automatically when the diesel particle filter is being cleaned.
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.
Page 44 of 219
42Keys, doors and windowsRoof
Moonroof
Do not affix any stickers to the middle part of the roof. Do not cover the
vehicle using a tarpaulin.
Sunblind The sunblind is electrically operated.
Press button G to open and H to
close. Press and hold the button to
close completely.
Page 82 of 219
80Instruments and controls
Automatic wiping with rain sensor$=Automatic wiping with rain
sensor
The rain sensor detects the amount of water on the windscreen and
automatically regulates the frequency
of the windscreen wipers.
Keep the sensor free from dust, dirt
and ice.
Windscreen washer
Pull lever. Washer fluid is sprayed on the windscreen and the wiper wipes
for a few strokes.
If the lights are on, washer fluid is also
sprayed on the headlights. The
headlight washer system is
inoperative for 2 minutes.
Rear window wiper/washer
Push lever forwards. The rear window wiper wipes in interval mode. Switch
off by pushing lever forwards again.
If the lever is held forwards, washer
fluid is sprayed on the rear window.