2008 MERCEDES-BENZ SL55AMG lock

114 Controls in detail
Locking and unlocking
Opening the trunk
You can open the trunk if the vehicle is sta-
tionary and the retractable hardtop is fully
opened or closed.
A minimum height clearance of
6.2 ft (1.88 m) is required to open the
trunk lid.!A side window will not work if it is blocked
with ice or if the battery needs charging. If you
cannot shut a door, do not force it or you could
damage the door or the side window.
Fix whatever is affecting the window before
trying to shut the door.
iIf you hear a warning signal, you have forgot-
ten to switch off the low beam headlamps or the
parking lamps before opening the driver’s door.
In addition, the message
Lights Are Still
On
appears in the multifunction display.
Switch off the low beam headlamps or the park-
ing lamps.
If the message
Switch off lights or
remove key.
appears in the multifunction
display, remove the SmartKey from the starter
switch or switch off the automatic headlamp
mode.
!Failure to switch off the exterior lamps when
leaving the vehicle may result in a discharged
battery.
iIf the vehicle has previously been locked
with the SmartKey or KEYLESS-GO*, opening a
door from the inside will trigger the anti-theft
alarm system.
To cancel the alarm, do one of the following:

Press buttonŒ or‹on the
SmartKey.

Insert the SmartKey in the starter switch.
Vehicles with KEYLESS-GO*:

Grasp an outside door handle.
The SmartKey with KEYLESS-GO* must be
within 3 ft (1 m) of the vehicle.

Press the KEYLESS-GO* start/stop button
(
page 41).
The SmartKey with KEYLESS-GO* must be
inside the vehicle.
Warning!G
Make sure the trunk is closed when the
engine is running and while driving.
Among other dangers, deadly carbon
monoxide (CO) gases may enter vehicle
interior resulting in unconsciousness and
death.
iIf the trunk lid does not open, the trunk lid is
still locked separately (
page 120).

115 Controls in detail
Locking and unlocking
Opening 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.
iTo facilitate trunk loading and unloading
when the hardtop is retracted, you can raise the
hardtop from its storage position in the trunk
using the load assist feature (
page 245). You
may also unhook the luggage cover.
Remember to re-secure the luggage cover after
loading/unloading the trunk. Otherwise you will
not be able to lower the retractable hardtop.
!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.

116 Controls in detail
Locking and unlocking
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.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 is trunk closed again.
Release switch1.
To interrupt the opening procedure:
Press or pull switch1.
Closing the trunk
!The trunk lid swings open upwards automat-
ically. Always make sure that there is sufficient
overhead clearance.
Warning!G
Make sure the trunk is closed when the
engine is running and while driving.
Among other dangers, deadly carbon
monoxide (CO) gases may enter vehicle
interior resulting in unconsciousness and
death.
iWhen the hardtop is retracted, it must be
completely lowered in the trunk before the trunk
can be closed (
page 204).
iDo not place the SmartKey in the open
trunk. You may lock yourself out.
iIf the vehicle was previously centrally
locked, the trunk will lock automatically after
closing it. All turn signal lamps flash three times
and an acoustic signal sounds three times to
confirm locking.

117 Controls in detail
Locking and unlocking
Closing the trunk from the 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
ensures that the lid is pulled closed
completely (
page 121).Closing the trunk from the inside
automatically*
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 and an acoustic signal sounds
three times. If you are carrying a second
SmartKey with KEYLESS-GO with you, you can
still lock the vehicle.
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
unattended in the vehicle, or with access to
an unlocked vehicle. A child’s unsupervised
access to a vehicle could result in 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. A child’s unsupervised access to a
vehicle could result in an accident and/or
serious personal injury.

118 Controls in detail
Locking and unlocking
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
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 the trunk from the outside
automatically*
iIf 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.
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.

119 Controls in detail
Locking and unlocking
In vehicles with trunk opening/closing
system* you can close the trunk sepa-
rately from the outside using the trunk
closing switch.
Vehicles without KEYLESS-GO*
Vehicles 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
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 trunk
opening/closing* switch can be operated.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child’s unsupervised access to a
vehicle could result in an accident and/or
serious personal injury.

120 Controls in detail
Locking and unlocking
Make sure you have the SmartKey with
KEYLESS-GO with you.
Press switch1 briefly.
With all doors and the trunk closed:

The locking knobs in the doors
move down.

The trunk starts to close automati-
cally.

All turn signal lamps flash three
times once the trunk has closed
completely.

An acoustic warning sounds three
times once the trunk has closed
completely.

The anti-theft alarm system is
armed.
Valet locking
The lock is located next to the handle
above the rear license plate recess.
1Neutral position
2LockedClose the trunk (page 116).
Pull the mechanical key out of the
SmartKey (
page 403).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position 2 and remove the mechanical
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 114).
iTo 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.
iYou can only cancel the separate trunk
locking mode by means of the mechanical key.

121 Controls in detail
Locking and unlocking
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 lid unlocks and opens
slightly.
Push up the trunk lid to fully open.Illumination of the emergency release
button:

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. An electrical power-assisted
mechanism draws the trunk lid closed
quietly and automatically once the trunk
lid has been latched. When the electrical
power-assisted mechanism has stopped,
the trunk can be re-opened.iThe emergency release button unlocks the
trunk while the vehicle is standing still or in
motion.
iThe emergency release button does not un-
lock the trunk if the vehicle battery is discharged
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 especially 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.