Page 113 of 473

112 Controls in detailLocking and unlockingOpening the trunk from the outside
1Trunk lid handle
Vehicles without trunk opening/closing
system*
Press button Š on the SmartKey or
SmartKey with KEYLESS-GO*.
or
Pull on handle1.
In vehicles without KEYLESS-GO*: The
vehicle must be unlocked.
Lift the trunk lid.Vehicles with trunk opening/closing
system*
Press and hold button Š on the
SmartKey or SmartKey with
KEYLESS-GO* until trunk unlocks and
begins to open.
or
Pull on handle1.
Vehicles without KEYLESS-GO*: The
vehicle must be unlocked.Opening the trunk from the inside
Vehicles without trunk opening/closing
system*
1Remote trunk opening switch
2Indicator lamp
Pull switch1 until the trunk begins to
open.
The trunk lid unlocks. Indicator
lamp2 comes on and remains lit until
the trunk is closed again.
Lift the trunk lid.
!
The trunk lid swings open upwards automat-
ically. Always make sure that there is sufficient
overhead clearance.
!
To stop the opening procedure, press
buttonŠ on the SmartKey or SmartKey with
KEYLESS-GO* or pull the trunk lid handle.
Page 114 of 473

113 Controls in detail
Locking and unlocking
Vehicles with trunk opening/closing
system*
1Remote trunk opening/closing* switch
2Indicator lamp
Pull and hold switch1 until the trunk
unlocks and begins to open.
Indicator lamp2 comes on and re-
mains lit until the trunk closed.
Release switch1.
To interrupt the opening procedure:
Press or pull switch1.
Closing the trunk Closing trunk from outside manually
1Handle
Lower trunk lid by pulling firmly on
handle1.
Close trunk lid with hands placed flat
on trunk lid.
The power closing assist automatically en-
sures that the lid is pulled closed com-
pletely (
page 118).
!
The trunk lid swings open upwards automat-
ically. Always make sure that there is sufficient
overhead clearance.
Warning!
G
Only drive with the trunk closed as, among
other dangers such as blocked visibility, ex-
haust fumes may enter the vehicle interior.i
When the hardtop is retracted, it must be
completely lowered in the trunk before the trunk
can be closed (
page 199).
i
Do not place the SmartKey in the open
trunk. You may lock yourself out.
i
If the vehicle was previously centrally
locked, the trunk will lock automatically after
closing it. All turn signal lamps flash three times
to confirm locking.
Vehicles with KEYLESS-GO*: To prevent a possi-
ble inadvertent lockout, the trunk will open auto-
matically if a SmartKey with KEYLESS-GO is
recognized inside the vehicle or in the trunk.
The vehicle is only locked when the turn signals
flash three times. If you are carrying a second
SmartKey with KEYLESS-GO with you, you can
still lock the vehicle.
Page 115 of 473

114 Controls in detailLocking and unlocking
Closing trunk from inside
automatically*
In vehicles with trunk opening/closing
system* you can close the trunk from
the inside using the remote trunk
opening/ closing* switch.
1Remote trunk opening/closing* switch
(vehicles with trunk opening/closing
system*)
2Indicator lamp
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
lid opening when closing the trunk. Be espe-
cially careful when small children are
around.
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
Warning!
G
Maintain sight of trunk area while operating
door mounted switch. Monitor the closing
procedure carefully to make sure no one is
in danger of being injured.
To interrupt the closing procedure, release
the door mounted remote trunk open-
ing/closing* switch again.
Even with the SmartKey or SmartKey with
KEYLESS-GO* removed from the starter
switch or the SmartKey with KEYLESS-GO*
removed from the vehicle, the remote trunk
opening/closing* switch can be operated.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal injury.
i
If the trunk lid comes into contact with an
object while closing (e.g. luggage that has been
piled too high) in the upper motion sequence, the
closing procedure is stopped and the trunk re-
opens slightly.
Page 116 of 473

115 Controls in detail
Locking and unlocking
Press and hold switch1 until the
trunk is closed.
Indicator lamp2 in the switch goes
out when the trunk is closed.
To interrupt the closing procedure:
Release switch1.Closing trunk from outside
automatically*
In vehicles with trunk opening/closing sys-
tem* you can close the trunk separately
from the outside using the trunk closing
switch.
Warning!
G
Monitor the closing procedure carefully to
make sure no one is in danger of being in-
jured. To prevent possible personal injury,
always keep hands and fingers away from
the trunk lid opening when closing the trunk.
Be especially careful when small children
are around. To stop the closing procedure,
do one of the following:
Press button Š on the SmartKey or
SmartKey with KEYLESS-GO*.
Press the trunk opening/closing*
switch (on the driver’s door).
Press trunk closing switch.
Press the KEYLESS-GO locking/closing
switch*.
Pull the trunk lid handle.
Even with the SmartKey removed from the
starter switch, the trunk opening/closing*
switch can be operated. Therefore, do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may
cause an accident and/or serious personal
injury.
Page 117 of 473
116 Controls in detailLocking and unlockingVehicles without KEYLESS-GO*1Trunk closing switchVehicles with KEYLESS-GO*1Trunk closing switch
Press trunk closing switch1 briefly.
The trunk closes.
Closing trunk and locking vehicle from
outside (vehicles with KEYLESS-GO*)
In vehicles with trunk opening/closing sys-
tem* and KEYLESS-GO*, you can close the
trunk and lock the vehicle simultaneously
from the outside using the KEYLESS-GO
locking/closing switch.
1KEYLESS-GO locking/closing switch
Make sure you have the SmartKey with
KEYLESS-GO with you.
Press switch1 briefly.
With the doors closed, the locking
knobs in the doors move down and the
trunk starts to close automatically.
All turn signal lamps flash three times
to confirm locking once the trunk has
closed completely. The anti-theft alarm
system is activated.
Page 118 of 473

117 Controls in detail
Locking and unlocking
Valet locking
The lock is located next to the handle
above the rear license plate recess.
1Neutral position
2Locked
Close the trunk (
page 113).
Pull the mechanical key out of the
SmartKey (
page 391).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position2 and remove the mechani-
cal key in that position to lock the
trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key counterclock-
wise to neutral position1 and remove
the mechanical key in that position to
unlock the trunk.
You can now open the trunk
(page 111).
Trunk lid emergency release
With the emergency release button, the
trunk can be opened from inside the trunk.
The emergency release button is located
on the left side of the trunk.
1Emergency release button
Briefly press emergency release
button1.
The trunk opens.
i
To deny any unauthorized person access to
the trunk, e.g. when you valet park the vehicle,
lock it separately with the mechanical key. Leave
only the SmartKey or SmartKey with
KEYLESS-GO* less its mechanical key with the
vehicle.
i
You can only cancel the separate trunk lock-
ing mode by means of the mechanical key.
Page 119 of 473

118 Controls in detailLocking and unlockingIllumination of the emergency release but-
ton:
The button flashes for 30 minutes after
opening the trunk.
The button flashes for 60 minutes after
closing the trunk.
Power closing assist for trunk lid
It is not necessary to slam the trunk lid
closed. A electrical power-assisted mecha-
nism draws trunk lid closed quietly and au-
tomatically once trunk lid has been
latched. When the pneumatic power-as-
sisted mechanism has stopped, trunk can
be re-opened.Power closing assist for trunk lid
Press the trunk lid gently into its lock.
The trunk closes automatically.
i
The emergency release button unlocks and
opens the trunk while the vehicle is standing still
or in motion.
i
The emergency release button does not
open the trunk lid if the vehicle battery is dis-
charged or disconnected.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
lid opening when closing the trunk. Be espe-
cially careful when small children are
around.
In case of danger, pull the inside or outside
door handle, or press the trunk lid lock.
To prevent personal injury, never actuate
the closing assist mechanism by tampering
with the door or trunk lid latch.
Warning!
G
Only drive with the trunk closed as, among
other dangers such as blocked visibility, ex-
haust fumes may enter the vehicle interior.
Page 120 of 473

119 Controls in detail
Locking and unlocking
Automatic central locking
The doors and the trunk lid lock automati-
cally when the vehicle is set into motion.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
You can deactivate the automatic locking
using the control system (
page 162).
Locking and unlocking from the inside
You can lock or unlock the vehicle from in-
side using the central locking switches.
This can be useful, for example, if you want
to unlock the passenger door from the in-
side or want to lock the vehicle before
starting to drive.
The central locking switch does not lock or
unlock the fuel filler flap.The switches are located above and be-
tween the center air vents of the air condi-
tioning.
Central locking switches1Locking
2Unlocking
i
The doors unlock automatically after an ac-
cident if the force of the impact exceeds a preset
threshold.
The vehicle locks automatically when the ignition
is switched on and the wheels are turning at ve-
hicle speeds of approximately 9 mph (15 km/h)
or more. You could therefore lock yourself out
when the vehicle
is pushed
is on a test stand
Warning!
G
When leaving the vehicle, always remove the
SmartKey or the SmartKey with
KEYLESS-GO* from the starter switch, take
it with you, and lock the vehicle. Do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may
cause an accident and/or serious personal
injury.
Warning!
G
You can open a locked door from inside at
any time. Open door only when conditions
are safe to do so.