Keys, doors and windows23Key with foldaway key section
Press button to extend. To fold the
key, first press the button.
Radio remote controlDepending on the version, the radio
remote control enables a operation of
the following functions:
● central locking system 3 26
● anti-theft locking system 3 36
● anti-theft alarm system 3 36
● tailgate unlocking 3 26
● power windows 3 42
● mirrors folding 3 39
● vehicle locator lighting 3 132
● peripheral lighting 3 132
The remote control has a range of up
to several metres, but may also be
much less due to external influences. The hazard warning flashers confirm
operation.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Replacing battery in radio remote
control
Replace the battery as soon as the
range reduces.
24Keys, doors and windows
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
1. Remove the back cover from the remote control.
2. Extract the flat battery from its location.
3. Replace battery with a battery ofthe same type. Pay attention to
the installation position.
4. Clip the back cover in place.
Fault
If the central locking system cannot
be operated with the radio remote
control, the cause may be one of the
following:
● Fault in radio remote control.● Electronic key is out of reception range.
● The battery voltage is too low.
● Overload of the central locking system by operating at frequentintervals, the power supply is
interrupted for a short time.
● Interference from higher-power radio waves from other sources.
Manual unlocking 3 26.Electronic key system
Keys, doors and windows25Depending on the version, the
electronic key system enables a
keyless operation of the following functions:
● central locking system 3 26
● tailgate unlocking
● ignition switching on and starting the engine 3 148
● headlight activation
The electronic key simply needs to be
on the driver's person.
Additionally, the electronic key
includes the functionality of the radio
remote control 3 23.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Note
To save battery power, the keyless
functions are set to stand-by after 21 days of non-use. To reactivate the
functions, press a button on the
electronic key.Replacing battery in electronic
key
Replace the battery as soon as the
system no longer operates properly
or the range is reduced.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
1. Remove the cover.
2. Extract the flat battery from its location.
3. Replace battery with a battery of the same type. Pay attention to
the installation position.
4. Clip the cover in place.
Fault
If the central locking cannot be
operated or the engine cannot be
started, the cause may be one of the
following:
● Fault in electronic key.
● Electronic key is out of reception range.
● The battery voltage is too low. ● 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.
To rectify the cause of the fault,
change the position of the electronic
key.
Manual unlocking 3 26.
28Keys, doors and windowsPress with a finger or thumb on one
of the door handles (at the markings)
or press the tailgate button.
All doors, load compartment and fuel
filler flap will be locked.
If the vehicle is not closed properly,
the electronic key remains in the
vehicle or the ignition is not off,
locking will not be permitted.
Confirmation
Operation of central locking system is confirmed by the hazard warning
flashers.
Central locking button
Locks or unlocks all doors and the
load compartment from inside the
passenger compartment. If the
vehicle is equipped with electronic
key system, the fuel filler flap is locked or unlocked, too.
Press Q to lock. The LED in the button
illuminates.
Press Q again to unlock. The LED in
the button extinguishes.
Operation with the key in case of
a central locking system fault
In case of a fault, e.g. vehicle battery
or remote control / electronic key
battery is discharged, the driver's
door can be locked or unlocked with
the mechanical key.
Manual unlocking
Electronic key: press and hold the
latch to extract the integral key.Manually unlock the driver's door by
inserting and turning the key in the
lock cylinder.
The other doors can be opened by
pulling the interior handle.
By switching on the ignition, the anti- theft locking system is deactivated.
38Keys, doors and windowsNote
If the vehicle is unlocked and no door is opened, the vehicle is
automatically relocked after 30
seconds. In this case, the anti-theft
alarm will be reactivated, too.
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 anti-theft alarm system can be
deactivated by pressing c, by
pressing on one of the front door
handles at the markings with
electronic key system. The LED of the
U button will extinguish and the turn
lights flash for a short time.
A triggered alarm, which has not been interrupted by the driver, will be
indicated by the rapid flashing of the
LED of the U button. If the ignition is
switched on, the flashing stops
immediately
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must bedeactivated as follows: switch the
ignition on then off, then disconnect
the vehicle's battery within 15 s
If the battery has been reconnected
(e.g. after maintenance work), wait for 10 minutes to restart the engine.
Locking the vehicle without
activation of the anti-theft alarm
Lock the vehicle by inserting and
turning the integrated key of the
remote control or the electronic key
system in the lock cylinder of the
driver's door.
Malfunction of the remote control Unlock the vehicle by inserting and
turning the integrated key of the
remote control or the electronic key
system in the lock cylinder of the
driver's door.
Open the driver's door.
The horn of the anti-theft alarm will
sound.
Switch on ignition.
The horn will stop sounding and the
status LED extinguishes.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.
Note
Radio Frequency Identification
(RFID) tags may cause interference
with the key. Do not have it placed
near the key when starting the
vehicle.
Note
The immobiliser does not lock the
doors. Always lock the vehicle after
leaving it 3 26.
Switch on the anti-theft alarm
system 3 36.
Emergency operation of electronic
key 3 147.
44Keys, doors and windows
Press and hold c to open windows.
Press and hold e to close windows.
Release button to stop window
movement.
Overload
If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
Initialising the power windows
If the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery), a
warning message is displayed in the
Driver Information Centre.
Vehicle messages 3 117.
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 two seconds.
4. Push switch until the window is completely open and keep
pushing for additional two
seconds.
5. Repeat for each window.Rear windows
To partially open the rear windows, tilt the lever and push it fully to lock the
windows in the open position.
Heated rear window Operated by pressing e together
with heated exterior mirrors.
Heating works with the engine
running and is switched off
automatically after a short time.
Depending on climate control system, e is located at a different position.
148Driving and operating9Warning
If the vehicle battery is discharged,
the vehicle must not be towed,
tow-started or jump-started as the
steering wheel lock cannot be
disengaged.
Operation on vehicles with
electronic key system in case of
failure
If either the electronic key fails or the
battery of the electronic key is weak,
a message may be displayed in the
Driver Information Centre.
Hold the electronic key with buttons
outside at the marking on the steering column cover as shown in the
illustration.
Operate the clutch pedal (manual
transmission), the brake pedal and
press Start/Stop .
This option is intended for
emergencies only. Replace the
electronic key battery as soon as
possible 3 24.
For unlocking or locking the doors,
see fault in radio remote control unit
or electronic key system 3 26.Starting the engine
Vehicles with ignition switch
Turn key to position 1 to release the
steering wheel lock.
Manual transmission: operate clutch
and brake pedal.
Automatic transmission: operate
brake pedal and move selector lever
to P or N.
Do not operate accelerator pedal.
Diesel engines: wait until control
indicator ! extinguishes.