
Useful information
..............................82
Key ....................................................... 82
Doors .................................................... 88
Boot/luggage compartment ..............91
Side windows ...................................... 95
Sliding sunroof .................................... 99 81Opening and closing

Key functions
:
& To loc kthe vehicle
; F To unlock the boot lid/tailgate
= % To unlock the vehicle
X To unlock centrally: press the%but-
ton.
If you do not open the vehicle within
approximately 40 seconds of unlocking:
R the vehicle is locked again.
R the anti-theft system is primed again.
X To lock centrally: press the&button.
The key centrally locks/unlocks:
R the doors
R the boot lid/tailgate
R the fuel filler flap
When unlocking, the turn signals flash once.
When locking, they flash three times.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (Y page 262).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 260). KEYLESS-GO
General notes Bear in mind that the engine can be started
by any of the vehicle occupants if there is a
KEYLESS-GO key in the vehicle. Locking and unlocking centrally You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry
the key with you. When you touch the surface
of the sensors on the vehicle's outside door
handles, KEYLESS-GO establishes a radio
connection between the vehicle and the key.
When the engine is started and whilst you are
driving, KEYLESS-GO also checks whether a
valid key is in the vehicle by periodically
establishing radio contact.
You can combine the KEYLESS-GO functions
with those of a conventional key, e.g. using
KEYLESS-GO to unlock and pressing the
&
button to lock.
When locking or unlocking with KEYLESS-GO,
the distance between the key and the corre-
sponding door handle must not be greater
than 1 m. X
To unlock the vehicle: touch the inner
surface of the door handle.
X To lock the vehicle: touch sensor sur-
face :.
X Convenience closing feature: touch
recessed sensor surface ;for an exten-
ded period.
X To unlock the boot lid/tailgate: pull the
handle on the boot lid/tailgate.
Further information on the convenience clos-
ing feature (Y page 97). Key
83Opening and closing Z

Changing the settings of the locking
system
You can change the settings of the locking
system. This means that only the driver's door
and the fuel fille rflap are unlocked when the
vehicle is unlocked. This is useful if you fre-
quently travel on your own.
X To change the setting: press and hold
down the %and& buttons on the
key simultaneously for approximately six
seconds until the battery chec klamp
flashes twice ( Ypage 85).
i If the setting of the locking system is
changed within the signal range of the vehi-
cle, pressing the &or% button:
R locks or
R unlocks the vehicle
The key now functions as follows:
X To unlock the driver's door: press the
% button once.
X To unlock centrally: press the%but-
ton twice.
X To lock centrally: press the&button.
The KEYLESS-GO function is changed as fol-
lows:
X To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X To unlock centrally: touch the inner sur-
face of the door handle on the front-
passenger door or the rear door.
X To lock centrally: touch the outer sensor
surface on one of the door handles.
X To restore the factory settings: press
and hold down the %and& buttons
simultaneously for approximately six sec-
onds until the battery check lamp flashes
twice (Y page 85). Emergency key element
General notes If the vehicle can no longer be locked or
unlocked with the key, use the emergency
key element.
If you use the emergenc
ykey element to
unlock and open the driver's door or the boot
lid/tailgate, the anti-thef talarm system will
be triggered (Y page 78).
There are several ways to tur noff the alarm:
X To turn the alarm off with the key: press
the % or& button on the key.
or
X Insert the key into the ignition lock.
or
X To deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The key must be in the vehicle.
or
X Lock or unlock the vehicle using KEYLESS-
GO. The key must be outside the vehicle.
If you unlock the vehicle using the emergency
key element, the fuel filler flap will not be
unlocked automatically.
X To unlock the fuel filler flap: insert the
key into the ignition lock.
Removing the emergency key element :
Release catch
; Emergency key element 84
KeyOpening and closing

Automatic locking feature
X
To deactivate: press and hold button :
for about five seconds until a tone sounds.
X To activate: press and hold button ;for
about five seconds until a tone sounds.
i If you press one of th etwo buttons and
do not hear a tone, the relevant setting has
already been selected.
The vehicle is locked automatically when the
ignitio nis switched on and the wheels are
turning.
You could therefore be locked out if:
R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is being tested on a dynamom-
eter.
You can also switch the automatic locking
function on and off using the on-board com-
puter (Y page 261). Unlocking the driver's door (emer-
gencyk
ey element)
If the vehicle can no longer be unlocked with
the key, use the emergency key element.
X Take the emergency key element out of the
key (Y page 84).
X Inser tthe emergency key element into the
lock of the driver's door as far as it will go. 1
To unlock
X Turn the emergency key element anti-
clockwise to position 1.
The door is unlocked.
i On right-hand-drive vehicles, turn the
emergency key element clockwise.
X Turn the emergency key element back and
remove it.
X Insert the emergency key element into the
key.
If you use the emergency key element to
unlock and open the driver's door, the anti-
theft alarm system will be triggered
(Y page 78). Locking the vehicle (emergency key
element)
If the vehicle can no longer be locked with the
key, use the emergency key element.
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the boot lid/tailgate.
X Press the locking button (Y page 89).
X Check whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs manually, if necessary (Y page 89).
X Close the driver's door.
X Take the emergency key element out of the
key (Y page 84).
X Insert the emergency key element into the
lock of the driver's door as far as it will go. 90
DoorsOpening and closing

1
Locking
X Turn the emergency key element clockwise
as far as it will go to position 1.
i On right-hand-drive vehicles, turn the
emergency key element anti-clockwise.
X Turn the emergency key element back and
remove it.
X Make sure that the doors and the boot lid/
tailgate are locked.
X Insert the emergency key element into the
key. Boot/luggage compartment
Important safety notes
G
WARNING
Exhaust fumes could enter the vehicle interior
if the engine is running and the boot lid/tail-
gate is open. This could poiso nyou. There-
fore, you should make sure that the boot lid/
tailgate is always closed when the engine is
running.
! The boot lid/tailgate swings upwards and
to the rear when opened. Therefore, make
sure that there is sufficient clearance
above and behind the boot lid/tailgate.
i Opening dimensions of the boot lid/tail-
gate (Y page 444).
Do not leave the key in the boot/luggage
compartment. You could otherwise lock your-
self out. Saloon without the boot lid remote clos-
ing feature: the boot lid can be:
R opened and closed manually from outside
R opened automatically from outside
R opened automatically from inside
R unlocked with the emergenc ykey element
Saloon with the boot lid remote closing
feature: the boot lid can be:
R opened and closed manually from outside
R opened and closed automatically from out-
side
R opened and closed automatically from
inside
R unlocked with the emergency key element
On the Estate, you can:
R open and close the tailgate manually from
outside
R open the tailgate manually from inside
(Estate with a folding bench seat)
R open and close the tailgate automatically
from outside
R open and close the tailgate automatically
from inside
R limit the opening angle of the tailgate
R unlock the tailgate using the emergency
key element Opening/closing from the outside
To open Example: Saloon, handle Boot/luggage compartment
91Opening and closing Z

X
Press the %button on the key.
X Saloon: pull handle :.
X Raise the boot lid.
Estate: if you pull handle :and keep it in
this position, you can open the tailgate man-
ually .Ifyou release the handle, the tailgate
opens automatically.
To close G
WARNING
Make sure that nobody can become trapped
as you close the tailgate. Example: Saloon, recess
X
Pull the boot lid/tailgate down using
recess :.
X Estate: let the tailgate drop and engage in
the lock.
X If necessary, lock the vehicle with
the & button on the key (Y page 83) or
with KEYLESS-GO (Y page 83).
i If a KEYLESS-GO key is detected in the
boot/luggage compartment, the boot lid/
tailgate will not lock.
Saloon: the boot lid then opens again. Opening/closing automatically from
the outside
Important safety notes G
WARNING
Only for the United Kingdom: if the vehicle
has been locked with the key or with KEY-
LESS-GO, the double lock function is activa-
ted as standard. It is then not possible to open
the doors from inside the vehicle.
Therefore, do not leave any people behind in
the vehicle, particularly children, elderly peo-
ple or people requiring special assistance. As
a result, they may not be able to free them-
selves in the event of an emergency. They
could be seriously or even fatally injured by
prolonged exposure to extremely high or low
temperatures, for example. In this case, res-
cuing people from outside the vehicle is diffi-
cult.
Deactivate the interior motion sensor before
you lock the vehicle. The doors can then be
opened from the inside after the vehicle has
been locked from the outside. G
WARNING
Monitor the boot lid/tailgate opening and
closing procedures to make sure that nobody
can become trapped. To stop the opening or
closing procedure, press the closing button
on the boot lid/tailgate again or pull the han-
dle on the outside of the boot lid/tailgate.
! The boot lid/tailgate swings upwards and
to the rear when opened. Therefore, make
sure that there is sufficient clearance
above and behind the boot lid/tailgate.
i Opening dimensions of the boot lid/tail-
gate (Y page 444).
To open You can open the boot lid/tailgate automati-
cally with the key or the handle in the boot
lid/tailgate. 92
Boot/luggage compartmentOpening and closing

X
Press and hold the Fbutton on the key
until the boot lid/tailgate opens.
or
X If the boot lid/tailgate is unlocked, pull the
handle of the boot lid/tailgate and let it go
again immediately (Y page 91).
To close Example: Saloon, closing button and locking but-
ton
:
Closing button
; Locking button
Saloon: on vehicles with the boot lid remote
closing feature, you can close the boot lid
automatically. Vehicles with the boot lid
remote closing feature and KEYLESS-GO, you
can simultaneously close and lock the boot
lid.
Estate: on vehicles with KEYLESS-GO, you
can simultaneously close and lock the tail-
gate.
X To close: press closing button :on the
boot lid/tailgate.
X To close and lock simultaneously:
Press closing button ;on the boot lid/
tailgate.
i If you leave a KEYLESS-GO key in the
boot/luggage compartment, the boot lid/
tailgate will not lock. Opening/closing automatically from
the inside
Important safety notes G
WARNING
Monito rthe boot lid/tailgate closing proce-
dure to make sure that nobody can become
trapped. Release the boot lid/tailgate remote
operating switch to stop the closing proce-
dure.
i Opening dimensions of the boot lid/tail-
gate (Y page 444).
Opening and closing X
To open: pull remote operating switch for
boot lid/tailgate :until the boot lid/tail-
gate opens.
X To close (Saloon): press remote operating
switch for boot lid :until the boot lid is
closed.
X To close (Estate): turn the key to position
1 or 2in the ignition lock.
X Press remote operating switch for tail-
gate :until the tailgate is closed.
You can open and close the boot lid/tailgate
from the driver's seat when the vehicle is sta-
tionary and unlocked. Boot/luggage compartment
93Opening and closing Z

Limiting the opening angle of the tail-
gate (Estate)
Important safety notes !
Make sure there is sufficient clearance to
open the tailgate fully when setting the
opening angle. The tailgate could otherwise
be damaged. Ideally, set the opening angle
outside.
To activate You can limit the opening angle of the tail-
gate. This is possible in th
etop half of its
opening range, up to approximately 20 cm
before the stop.
X To open the tailgate: pull the handle on
the tailgate.
X To stop the opening procedure at the
desired position: press the closing button
(Y page 92) in the tailgate or pull the handle
on the outside of the tailgate again.
X To store the position: press and hold the
closing button in the tailgate until you hear
a short tone.
The opening angle limiter is activated. The
tailgate then stops in the stored position
when opened.
To deactivate X
Press and hold the closing button
(Y page 92) in the tailgate until you hear
two short tones. Opening the tailgate from inside the
vehicle (Estate with
afolding bench
seat)
General notes i
Boo tlid/tailgate opening dimensions
(Y page 444). Opening
Inside of tailgate
X
To unlock the tailgate: slide locking
catch ;to the right.
X To open: pull the top of handle :.
X Lift the tailgate upwards.
X To lock the tailgate: slide locking
catch ;to the left. Unlocking the boot (Saloon)
! The boot lid swings upwards when
opened. Therefore, make sure that there is
sufficien tclearance above the boot lid.
If the boot cannot be unlocked with the key
or KEYLESS-GO, use the emergency key ele-
ment.
If you use the emergency key elemen tto
unlock and open the boot lid, the anti-theft
alarm system will be triggered ( Ypage 78).
X Take the emergency key elemen tout of the
key (Y page 84).
X Inser tthe emergency key element into the
boot lid lock as far as the stop. 94
Boot/luggage compartmentOpening and closing