Page 29 of 217

Keys, doors and windows27Radio 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 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
radio remote control while not in
range, which will require re-
synchronisation,
■ Overload of the central locking system by operating at frequent
intervals, the power supply is
interrupted for a short time,
■ Interference from higher-power radio waves from other sources.
Unlocking 3 31.
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 2032), 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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28Keys, doors and windows
Radio remote controlsynchronisation
After replacing the battery, unlock the
door with the key in the driver's door
lock. The radio remote control will be
synchronised when you switch on the
ignition.
Memorised settings Whenever the vehicle is locked 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 used next time 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 in the driver's possession.
Press the Start/Stop button. The
ignition is switched on. The
immobiliser and steering wheel lock
are deactivated.
To start the engine press and hold the
Start/Stop button whilst applying both
the brake and clutch pedals.
Automatic transmission: the engine
can only be started with the selector
lever 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.
Page 31 of 217
Keys, doors and windows29
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 91.
Notice
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 jump-started as the
steering wheel lock cannot be
disengaged.Radio remote control
The electronic key likewise 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 and remove the
cap by applying light pressure. Push
emergency key towards the outside
over the detent and remove.
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30Keys, doors and windows
The emergency key can only lock or
unlock the driver's door. Unlocking the entire vehicle 3 31. 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 31.
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 33 of 217
Keys, doors and windows31
To 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 2032), 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 27,
■ 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.
Notice
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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32Keys, doors and windows
Electronic key
Pull a door handle or press the buttonunder the tailgate moulding.
The electronic key must be outside the vehicle, within a range of approx.
1 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.
Electronic key
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 approx. 1 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.
Notice
The vehicle is not automatically
locked.
Central locking button
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Keys, doors and windows33
Press the m button: the doors are
locked or unlocked.
The LED in the button m illuminates
for approx. 2 minutes after locking
with the radio remote control.
If the doors are locked from the inside
whilst driving, the LED remains lit.
Fault in remote control or
electronic key
Unlocking
Turn key or emergency key 3 28 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 28 in
the driver's door lock as far as it will
go. The other doors can be opened by using the interior handle (not possibleif 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 35.Locking
Insert key or emergency key 3 28 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.
Page 36 of 217
34Keys, doors and windowsChild locks9Warning
Use the child locks whenever
children are occupying the rear
seats.
Using a key or suitable screwdriver,
turn button on rear door lock to the
horizontal position. The door cannot
be opened from inside.
Doors
Load compartment
Opening
Press the button underneath the
moulding.
9 Danger
Do not drive with the tailgate open
or ajar, e.g. when transporting
bulky objects, since toxic exhaust
gases, which cannot be seen or
smelled, could enter the vehicle.
This can cause unconsciousness
and even death.
Notice
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
tailgate moulding while closing as this will unlock the tailgate again.