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24Keys, doors and windows
Activating
Press button p on the radio remote
control twice within 3 seconds.
Alternatively, turn key in driver's door
towards rear of vehicle again within
3 seconds after locking.
Anti-theft alarm system
The anti-theft alarm system is
combined with the central locking
system.
It monitors:
■ Doors, tailgate, bonnet
■ Passenger compartment including adjoining load compartment
■ Vehicle inclination, e.g. if it is raised
■ Siren power supply
■ Ignition
Activation
Ensure the doors, tailgate, fuel filler
flap, bonnet, windows and sunroof
are closed.
Press button p on radio remote
control or manually lock the driver's
door.
The system is activated: ■ Automatically, 30 seconds after locking the vehicle (initialisation of
the system)
■ Directly by pressing p on the radio
remote control once more after
locking
If the hazard warning lights do not flash once upon activation or the
control indicator flashes rapidly, this
may indicate that a door, the tailgate
or the bonnet is not fully closed.
Notice
Changes to the vehicle interior such
as the use of seat covers, and open
windows or sunroof, could impair the function of passenger compartment
monitoring.
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26Keys, doors and windows
If the alarm has been triggered, the
hazard warning lights will not flash
upon deactivation.
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 alarm can be silenced by
pressing any button of the radio
remote control or manually unlocking
the driver's door with the ignition key.
The anti-theft alarm system is
deactivated at the same time.
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.
Control indicator d illuminates in the
instrument cluster when the ignition is switched on, then extinguishes. If d
remains illuminated when the ignition
is on, there is a fault in the system; the
engine cannot be started. Switch off
the ignition and remove key, wait
approx. 2 seconds and then repeat
the start attempt.
If the control indicator remains
illuminated, 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 20,
3 24.
Control indicator d 3 89.
Page 29 of 217

Keys, doors and windows27Exterior 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 switch to left (L) or right
(R) . Then swivel the control to adjust
the mirror.
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
Press lightly on the outside of the
mirror housing to fold in the exterior
mirrors.
Electric folding
With ignition switch in positions ACC
or ON , press button n and both
exterior mirrors will fold in.
Press button n again - both exterior
mirrors return to their original position.
If an electrically folded mirror is
manually extended, pressing button
n will only electrically extend the
other mirror. Pressing button n again
folds both mirrors back in.
Fold mirrors back to the driving
position before driving the vehicle.
Page 30 of 217
28Keys, doors and windowsHeated mirrors
Operated by pressing the RÜ button.
LED illuminates in the button.
Heating works with the key in ignition
switch positions ACC or ON and is
switched off automatically after a
short time.
To avoid discharging the battery, operate only with the engine running. Do not operate when you are juststarting the vehicle, or if there is a
build up of snow or ice on the exterior
mirrors.
Do not use sharp instruments or
abrasive cleaners on the exterior
mirrors and avoid scratching or
damaging the heating elements.
Automatic dimming
Exterior mirror on the driver's side
dims to reduce glare automatically in
conjunction with the automatic anti-
dazzle interior mirror 3 29.
Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.
Page 31 of 217

Keys, doors and windows29Automatic anti-dazzle
Press button on mirror housing to turn
function on; button illuminates and
dazzle from following vehicles at night
is automatically reduced. Press
button again to turn function off.
There are two light sensors in the
mirror housing. To avoid interference
and loss of function, do not cover the
sensors or hang anything on the mirror.
Windows
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 of the windscreen
behind the interior mirror 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 could be restricted.
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 10 minutes of switching ignition off.
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30Keys, doors and windows
After switching off the ignition,
window operation is disabled when
the driver's door is opened.
Operate the switch for the respective
window by pushing to open or pulling to close.
For incremental operation: Push or
pull switch briefly.
For automatic opening or closing:
Push or pull switch for longer.
Window moves up or down
automatically with safety function
enabled. To stop movement, operate
the switch once more in the same
direction.
Additional switches are located in the
front passenger's door and the rear
doors. The rear windows do not open fully.
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, pull the relevant
window switch several times until the
window is closed. The window moves
up with the safety function disabled.Child safety system for rear
windows
Press switch z to deactivate rear
door power windows. To reactivate,
press z again.
With the child safety system on, rear
door windows can only be operated
via the switches in the driver's door.
Overload If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
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Keys, doors and windows31Heated rear window
Operated by pressing the RÜ button.
LED illuminates in the button.
Heating works with the key in ignition
switch positions ACC or ON and is
switched off automatically after a
short time.
To avoid discharging the battery, operate only with the engine running. Do not operate when you are juststarting the vehicle, or if there is a
build up of snow or ice on the rear
window.
Do not use sharp instruments or abrasive cleaners on the rear window
and avoid scratching or damaging the
heating elements.
Sun visors
The sun visors can be folded down or swivelled to the side to prevent
dazzling.
Sun visors have vanity mirrors and a
ticket holder on the rear. When the
vanity mirror covers are opened, the
sun visor light illuminates.
The mirror covers should be closed
when driving.
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.
Slide/tilt sunroof
Page 34 of 217
32Keys, doors and windows
For incremental operation, briefly
press the switch in the required
direction. For automatic opening or
closing, press and hold the switch.
Open
Press switch rearwards; it will open automatically unless the switch is
pressed again in another direction, or released.
Notice
If the top of the roof is wet, tilt
sunroof, allow water to run off and
then open sunroof.
Close
Press and hold switch forwards.
Release switch when sunroof
reaches desired position.
Tilt
Press and hold switch upwards.
Release switch when sunroof
reaches desired position.
To return sunroof to its original
position, pull and hold switch
downwards. Release switch when
sunroof reaches desired position.General hints
Function standby
The sunroof can be operated:
■ with ignition on,
■ within 10 minutes of switching ignition off,
After switching off the ignition,
sunroof operation is disabled when
driver's door is opened.