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28
Keys, doors and windows
Radio remote control Used to operate:
■ Central locking system,
■ Anti-theft locking system,
■ Anti-theft alarm system,
■ Power windows.
The radio remote control has a range
of approx. 5 metres. This range can
be affected by outside influences.
The hazard warning flashers confirm
operation.
Handle with care, protect it from
moisture and high temperatures and
avoid unnecessary operation. Fault
If the central locking system cannot
be operated with the radio remote
control,
it may be due to the following:
■ Range exceeded,
■ Battery voltage too low,
■ Frequent, repeated operation of the remote control while not in range,
which will require re-
synchronisation,
■ Overloading the central locking by operating at frequent intervals, the
power supply is interrupted for
a short time,
■ Interference from higher-power radio waves from other sources.
Opening the vehicle 3 32.
Radio remote control battery
replacement
Replace the battery as soon as the
range reduces.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point. Key with foldaway key section
Extend the key and open the unit.
Replace the battery (battery type CR
20 32), paying attention to the
installation position. Close the unit
and synchronise.
Key with fixed key section
Have the battery replaced by
a workshop.
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Keys, doors and windows
29
Radio remote control
synchronisation
After replacing the battery, unlock the
door with the key in the lock. The radio
remote control will be synchronised
when you switch on the ignition.
Memorised settings
When locking the vehicle the last
settings are automatically saved
specifically for the used key:
■ Electronic climate control,
■ Info-Display,
■ Infotainment system,
■ Instrument panel illumination.
The saved settings are automatically
remembered when that key is used
for unlocking. Open&Start system
Makes operation of the following
possible without the use of the
mechanical key
■
Central locking system,
■ Anti-theft locking system,
■ Anti-theft alarm system,
■ Power windows,
■ Ignition and starter.
The electronic key simply needs to be
on the driver's person. Press the Start/Stop button. The
ignition
is switched on. The electronic
immobiliser and steering wheel lock
are deactivated.
To start the engine depress the brake
and clutch pedals then press and hold
the Start/Stop button.
With automatic transmission, only
start with the vehicle in P or N.
The engine and the ignition are
switched off by pressing the Start/
Stop button again. The vehicle must
be stationary. The immobiliser is
activated at the same time.
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30
Keys, doors and windows
If the ignition has been switched off
and the vehicle is stationary, the
steering wheel lock activates
automatically when the driver’s door
is opened or closed.
Control indicator 0 3 92.
Note
Do not put the electronic key in the
load compartment or in front of the
Info-Display.
The
sensor fields in the door handles
must be kept clean to ensure
unrestricted functionality.
If the battery is discharged, the
vehicle must not be towed, tow-
started or bump-started as the
steering column lock cannot be
disengaged. Radio remote control
The electronic key also has a radio
remote control feature. Emergency operation
If the radio remote control also fails,
the driver's door can be locked or
unlocked with the emergency key
contained
in the electronic key: press
locking mechanism on underside and
remove cap by applying gentle
pressure to the cap. Push emergency
key towards the outside over the
detent and remove.
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Keys, doors and windows
31The emergency key can only lock or
unlock the driver's door. Unlocking
the entire vehicle
3 32. On vehicles
with anti-theft alarm system, the
alarm may be triggered when the
vehicle is unlocked. Deactivate the
alarm by switching on the ignition. Hold the electronic key at the marked
position and press the
Start/Stop
button.
To switch off the engine, press the
Start/Stop button for at least
2 seconds.
Lock the driver's door with the
emergency key. Locking the entire
vehicle 3 32.
This option is intended for
emergencies only. Seek the
assistance of a workshop. Replacing battery in electronic
key
Replace the battery as soon as the
system no longer operates properly
or
the range is reduced. The need for
battery replacement is indicated by
InSP3 in the service display or by
a check control message in the
Info-Display 3 100.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Page 32 of 228
32
Keys, doors and windowsTo replace the battery, press the
locking mechanism and remove the
cap by applying light pressure. Press
the cap on the other side outward.
Replace the battery (battery type CR
20
32), noting the installation position.
Engage caps.
Radio remote control
synchronisation
The radio remote control
synchronises itself automatically
during every starting procedure. Fault
If the central locking cannot be
operated or the engine cannot be
started, the cause may be one of the
following:
■
Fault in remote control 3 28,
■ electronic key out of reception range.
To rectify the cause of the fault,
change the position of the electronic
key.
Central locking system
Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the entire vehicle and opens
the door.
Note
In the event of an accident of
a certain severity, the vehicle
unlocks automatically. Unlocking
Radio remote control
Press button q.
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Keys, doors and windows
33
Open&Start system Pull a door handle or press the button
under the tailgate moulding.
The electronic key must be outside
the vehicle, within a range of
approximately one metre.
Locking
Close doors, load compartment and
fuel
filler flap. If the driver's door is not
closed properly, the central locking
system will not work. Radio remote control
Press button p.
Open&Start system Touch the sensor field in the door
handle of one of the front doors.
The electronic key must be outside
the vehicle, within a range of
approximately one metre. The other
electronic key must not be inside the
vehicle.
2 seconds must pass before the
vehicle can be unlocked. Within this
time, it is possible to check that the
vehicle is locked.
Note
The Open&Start system does not
lock the vehicle automatically.
Central locking button
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34
Keys, doors and windows
Press the m button: the doors are
locked or unlocked.
The LED in the button m illuminates
for
around 2 minutes after locking with
the remote control.
If the doors are locked from the inside
whilst driving, the LED remains lit.
If the key is in the ignition, locking is
only possible if all doors are closed.
Fault in remote control or
Open&Start system
Unlocking Turn key or emergency key
3 29 in
the driver's door lock as far as it will
go. The entire vehicle is unlocked
when the driver’s door is opened.
Locking
Close the driver's door, open the
passenger
door, press central locking
button m. The vehicle is locked.
Close the passenger door.
Fault in central locking system
Unlocking
Turn key or emergency key 3 29 in
the driver's door lock as far as it will
go. The other doors can be opened by
using the interior handle (not possible
if the anti-theft locking system is
active). The load compartment and
fuel filler flap remain locked. To
deactivate the anti-theft locking
system, switch on the ignition 3 36. Locking
Insert key or emergency key
3 29
into
opening above lock on inside of door
and operate lock by pressing until it
clicks. Then close the door. The
procedure must be carried out for
each door. The driver's door can also
be locked from the outside with the
key. The fuel filler flap and tailgate
cannot be locked.
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Keys, doors and windows
35
Child locks 9
Warning Use the child locks whenever
children are occupying the rear
seats.
Using a key or suitable screwdriver,
turn
button on rear door lock from the
vertical position: door cannot be
opened from inside. Doors
Load compartment
Opening
Press the button underneath the
moulding.
9
Warning Do not drive with the tailgate open
or ajar, e.g. when transporting
bulky objects, since toxic exhaust
gas could enter the vehicle. Note
The installation of certain heavy
accessories onto the tailgate may
affect its ability to remain open.
Closing Use the interior handle.
Do not press the button under the
moulding while closing as this will
unlock it again.