2007 MERCEDES-BENZ SL55AMG start stop button

96 Safety and SecurityAnti-theft systemsImmobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
With the SmartKey
Remove the SmartKey from the starter
switch.
With KEYLESS-GO*

Press the start/stop button on the gear
selector lever once.
The engine is turned off.

Open the driver’s door.Deactivating
With the SmartKey

Turn the SmartKey in the starter switch
to position2 (
page 40).
With KEYLESS-GO*

Switch on the ignition (
page 41).
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens

a door


the trunk lid


the hood


a storage compartment in the rear


the glove box


the storage compartment under the
armrest
The alarm will stay on, even if the activat-
ing element (a door, for example) is imme-
diately closed.
i
Starting the engine will also deactivate the
immobilizer.
In case the engine cannot be started (yet the
vehicle’s battery is charged), the system is not
operational. Contact an authorized
Mercedes-Benz Center or call
1-800-FOR-MERCedes (in the USA), or
1-800-387-0100 (in Canada).

97 Safety and Security
Anti-theft systems
The alarm system will also be triggered
when

someone attempts to raise the vehicle


unlocking and opening the driver’s
door with the mechanical key


someone opens a door from the inside


someone opens the trunk lid with the
emergency release buttonArming the alarm system
The alarm system is armed after locking
the vehicle with the SmartKey or
KEYLESS-GO*. The turn signal lamps flash
three times to indicate that the alarm sys-
tem is activated. The indicator lamp in the
central locking switch (
page 31) begins
to flash after arming the alarm system.
Disarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the SmartKey or
KEYLESS-GO*. The turn signal lamps flash
once to indicate that the alarm system is
disarmed.Canceling the alarm
To cancel the alarm:
With the SmartKey

Insert the SmartKey in the starter
switch.
or

Press theŒor‹button on the
SmartKey.
With KEYLESS-GO*

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

Press the KEYLESS-GO start/stop but-
ton (
page 40).
The SmartKey with KEYLESS-GO must
be inside the vehicle.
i
If the alarm stays on for more than
30 seconds, a call to the Response Center is ini-
tiated automatically by the Tele Aid system
(
page 245) provided Tele Aid service was sub-
scribed to and properly activated, and that nec-
essary cellular service and GPS coverage are
available.
i
If the turn signal lamps do not flash three
times, a door or the trunk lid may not be properly
closed.
Close the respective element and lock the vehi-
cle again.
i
The alarm system will rearm automatically
again after approximately 40 seconds if no door
was opened.

99 Safety and Security
Anti-theft systems

Press button1.
The indicator lamp2 in the switch
comes on briefly.

Exit and lock your vehicle with the
SmartKey or (vehicles with
KEYLESS-GO*) with the lock button on
each door handle or trunk lid.
The tow-away alarm remains disarmed un-
til you lock the vehicle again.
Canceling the alarm
To cancel the alarm:
With the SmartKey

Insert the SmartKey in the starter
switch.
or

Press theŒor‹button on the
SmartKey.With KEYLESS-GO*

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

Press the KEYLESS-GO start/stop
button (
page 40).
The SmartKey with KEYLESS-GO must
be inside the vehicle.

107 Controls in detail
Locking and unlocking
Important notes on using KEYLESS-GO

You can also use the SmartKey with
KEYLESS-GO like a normal SmartKey
(page 102).


You can combine KEYLESS-GO func-
tions with normal SmartKey functions
(e.g. unlocking with KEYLESS-GO and
locking with the ‹button).


Always carry the SmartKey with
KEYLESS-GO with you.


Never store the SmartKey with
KEYLESS-GO together with:

Electronic items such as a cellular
phone or another SmartKey with
KEYLESS-GO


Metallic objects such as coins or
metal foil
Doing so could impair the function of
the KEYLESS-GO system.


To lock or unlock the vehicle, the
SmartKey with KEYLESS-GO must be
located outside the vehicle within ap-
proximately 3 ft (1 m) of a door or the
trunk.


In order to start the engine with the
SmartKey with KEYLESS-GO:

The SmartKey with KEYLESS-GO
must be located in the vehicle.


All doors must be closed.


The brake pedal must be firmly de-
pressed. Do not depress the accel-
erator.


If you have started the engine with the
KEYLESS-GO start/stop button
(page 40), you can only turn it off
again with this button, even if you have
put the SmartKey in the starter switch
in the meantime.
i
Canada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
i
You can also close the power windows
(
page 196) and the retractable hardtop using
the SmartKey with KEYLESS-GO (
page 201).
i
When you unlock the vehicle, the
electro-hydraulic brake system is activated.

108 Controls in detailLocking and unlocking

This does not apply if, after starting, the
selector lever is still in positionP and
the SmartKey is then inserted in the
starter switch. The SmartKey will then
have priority over the KEYLESS-GO
function and the vehicle’s electrical
system will operate according to the
position of the SmartKey in the starter
switch, even stopping the engine.


If the SmartKey with KEYLESS-GO is
positioned farther away from the vehi-
cle, the system may no longer recog-
nize the SmartKey with KEYLESS-GO.
The vehicle then cannot be locked or
the engine started via the KEYLESS-GO
system.


If the SmartKey with KEYLESS-GO is re-
moved from the vehicle while the en-
gine is running (e.g. if passenger exits
the vehicle with the SmartKey with
KEYLESS-GO), the message
Key not
detected!
will appear in the multifunc-
tion display while driving off.Find the SmartKey or change its
present location immediately (e.g.
place it on the front passenger seat or
insert it in shirt pocket).


Remember that the engine can be
started by anyone with a SmartKey
with KEYLESS-GO that is left inside the
vehicle. If you leave the SmartKey with
KEYLESS-GO behind when exiting and
locking the vehicle, the message
Key
recognized in vehicle!
will appear in
the multifunction display.
Factory setting
Global unlocking

Grasp an outside door handle.
All turn signals flash once. The locking
knobs in the doors move up. The
anti-theft alarm system is disarmed.The vehicle will lock again automatically
and reactivate the alarm system within ap-
proximately 40 seconds of unlocking if
neither a door nor the trunk is opened.
Global locking

Press lock button on an outside door
handle (
page 64) or the trunk lid
(
page 110).
With the trunk and all doors closed, all
turn signals flash three times. The lock-
ing knobs in the doors move down.
The anti-theft alarm system is armed.
i
If the vehicle has been parked for more than
72 hours, you must pull an outside door handle
in order to activate the KEYLESS-GO function.
i
The vehicle could inadvertently unlock if the
SmartKey with KEYLESS-GO is within 3 ft (1 m)
of the vehicle and


an outside door handle is splashed with
water
or


you attempt to clean an outside door handle

111 Controls in detail
Locking and unlocking
Opening the doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Locking knob
2Inside door handle
Pull on inside door handle2 in direc-
tion of arrow.
If the door was locked, locking knob1
will move up.
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.
i
If you open a door, the side windows on that
side of the vehicle will lower slightly. The win-
dows close again when you close the door.
i
If 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 40).
The SmartKey with KEYLESS-GO must be in-
side the vehicle.
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
If the trunk lid does not open, the trunk lid is
still locked separately (
page 117).
i
To facilitate trunk loading and unloading
when the hardtop is retracted, you can raise the
hardtop from its storage position in the trunk us-
ing the load assist feature (
page 241). 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.

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.

129 Controls in detail
Lighting
Manual headlamp mode
The low beam headlamps and parking
lamps can be switched on or off with the
exterior lamp switch (
page 55).
Automatic headlamp mode
The following lamps switch on and off au-
tomatically depending on the brightness of
the ambient light:


Low beam headlamps


Tail lamps


Parking lamps


License plate lamps


Side marker lamps

Turn the exterior lamp switch to posi-
tion U.
With the SmartKey in starter switch
position1 or the KEYLESS-GO
start/stop button pressed once, only
the parking lamps and side marker
lamps will switch on and off automati-
cally.
When the engine is running, the low
beam headlamps, the tail and parking
lamps, the license plate lamps, and the
side marker lamps will switch on and
off automatically.
Warning!
G
If the exterior lamp switch is set toU,

the headlamps may switch off unexpect-
edly when the system senses bright am-
bient light, for example light from
oncoming traffic.


the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others, acti-
vate headlamps by turning exterior lamp
switch to B when driving or when traffic
and / or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from position U to B with the
vehicle at a standstill in a safe location.
Switching from U to B will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle’s lights at all
times.