MERCEDES-BENZ SLR 2007 R199 Owners Manual

90 Safety and Security
Performance enhancement system
The Airbrake switch is on the upper part of
the center console.
Airbrake modes
1Manual
2Automatic
3Test
4Airbrake switch
Switch on the ignition (page 40).
The system runs a self-test to ensure
correct operation of the Airbrake.Test mode
The test mode allows you to check that the
Airbrake is functioning correctly.
This mode can only be activated when the
vehicle is at standstill.
Slide Airbrake switch4 to
position3.
The Airbrake swivels upwards to an
angle of 60°.
Release the Airbrake switch.
The Airbrake returns to its initial
position.Manual mode
In this mode, the Airbrake is set to an angle
of 30° (Mercedes-Benz SLR McLaren
722 Edition: 35°). The driver downforce
mode enhances stability while reducing
agility.
Slide the Airbrake switch4 to
position1.
The Airbrake swivels upwards to an an-
gle of 30° (Mercedes-Benz SLR
McLaren 722 Edition: 35°) and stays in
this position.
iIn manual mode, the Airbrake automatic
function is activated during hard braking, see
“Automatic mode” (
page 91).
!Before deactivating manual mode, check
the Airbrake for any objects which may have be-
come lodged, e.g. branches or leaves, and
remove them.
Otherwise the Airbrake can no longer function
correctly.

91 Safety and Security
Performance enhancement system
Automatic mode
This mode should be used for normal driv-
ing conditions.
Slide the Airbrake switch4 to
position2.
With the ignition switched on, the
Airbrake swivels upwards to an angle
of 5° and then returns to its initial
position.
Mercedes-Benz SLR McLaren:
When the vehicle exceeds a speed of
60 mph (95 km/h), the Airbrake wing
swivels up to an angle of 10°.
Mercedes-Benz SLR McLaren
722 Edition:
When the vehicle exceeds a speed of
75 mph (120 km/h), the Airbrake wing
swivels up to an angle of 15°. Rapid braking
During hard braking at a speed of more
than 60 mph (95 km/h), the Airbrake auto-
matically swivels up to an angle of 60°.
This allows you to achieve the best possi-
ble braking performance in an emergency.
Warning!G
Hard braking activates the Airbrake which
may block the view through the interior rear
view mirror. In this case, monitor the traffic
behind you through the exterior rear view
mirrors.

92 Safety and Security
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
Remove the SmartKey from the starter
switch.
Deactivating
Switch on the ignition (page 40).
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

the hood

a storage compartment in the rear

the storage compartment under the
armrestThe alarm system will also be triggered
when

someone attempts to raise the vehicle

someone opens a door from the inside
if the vehicle was locked with the
SmartKey

someone opens the trunk with the
emergency release button
iIn 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).
iThe alarm will stay on, even if the activating
element (a door, for example) is immediately
closed.
If the alarm stays on for more than 30 seconds,
a call to the Response Center is initiated auto-
matically by the Tele Aid system (
page 214)
provided Tele Aid service was subscribed to and
properly activated, and that necessary cellular
service and GPS coverage are available.

93 Safety and Security
Anti-theft systems
Arming the alarm system
Lock the vehicle with the SmartKey.
The turn signal lamps flash three times
to indicate that the alarm system is
activated. The indicator lamp in the
central locking switch (
page 105) be-
gins to flash after arming the alarm
system.Disarming the alarm system
Unlock your vehicle with the SmartKey.
The turn signal lamps flash once to
indicate that the alarm system is
disarmed.Canceling the alarm
To cancel the alarm:
Press buttonŒ or‹ on the
SmartKey.
or
Insert the SmartKey in the starter
switch.
iIf the turn signal lamps do not flash three
times, one of the following elements may not be
properly closed:

a door

the trunk
Close the respective element and lock the
vehicle again.
iThe alarm system will rearm automatically
after approximately 40 seconds if neither a door
nor the trunk lid was opened.

94 Safety and Security
Anti-theft systems
Tow-away alarm
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.
Arming tow-away alarm
Lock your vehicle with the SmartKey.
The tow-away alarm is automatically
armed after about 30 seconds.Disarming tow-away alarm
To prevent triggering the tow-away alarm,
switch off the tow-away alarm feature
before towing the vehicle, or when parking
on a surface subject to movement, such as
a ferry or auto train.
The button is located on the lower part of
the center console.
1Tow-away alarm off button
2Indicator lamp
Switch off the ignition and remove the
SmartKey.
Press button 1.
Indicator lamp2 in button1 comes
on briefly.
Exit and lock your vehicle with the
SmartKey.
The tow-away alarm remains disarmed
until you lock your vehicle again.
Canceling the alarm
To cancel the alarm:
Press buttonŒ or‹ on the
SmartKey.
or
Insert the SmartKey in the starter
switch.
iThe tow-away protection alarm is triggered,
for example, if the vehicle is lifted on one side.
If the alarm stays on for more than 30 seconds,
a call to the Response Center is initiated auto-
matically by the Tele Aid system (
page 221)
provided Tele Aid service was subscribed to and
properly activated, and that necessary cellular
service and GPS coverage are available.
iWhen you unlock your vehicle, the tow-away
protection disarms automatically. The tow-away
alarm remains disarmed until you lock the
vehicle again.
iYou cannot disarm the tow-away alarm while
the ignition is switched on.

95

Controls in detail
Locking and unlocking
Lighting
Instrument cluster
Control system
Audio system
Automatic transmission
Good visibility
Automatic climate control
Power windows
Driving systems
Useful features

98 Controls in detail
In the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed on your vehi-
cle. If you are already familiar with the
basic functions of your vehicle, this section
will be of particular interest to you.
To quickly familiarize yourself with the ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are
given at the beginning of each segment.
Locking and unlocking
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key.
The SmartKey provides an extended oper-
ating range. To prevent theft, however, it is
advisable to only unlock the vehicle when
you are in close proximity to it.
The SmartKey centrally locks and unlocks:

the doors

the trunk

the fuel filler flap
SmartKey with remote control
1‹ Lock button
2Š Unlock button for trunk
3Mechanical key locking tab
4ŒUnlock button
5Battery check lamp
6Â Panic button

99 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
anti-theft alarm system is disarmed.
The vehicle will lock again automatically
and rearm the anti-theft alarm system
within approximately 40 seconds of
unlocking if:

neither door nor trunk is opened

the SmartKey is not inserted in the
starter switch

the central locking switch is not
activated
Warning!G
When leaving the vehicle, always remove the
SmartKey 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. It is possible
for children to open a locked door from the
inside, which could result in an accident
and/or serious injury.
!To prevent possible malfunction, avoid
exposing the SmartKey to high levels of
electromagnetic radiation.
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interfer-
ence, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iCanada 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.
iYou can also open and close the power win-
dows using the SmartKey, see “Summer opening
feature” (
page 201) and “Convenience clos-
ing feature” (
page 202).
When you unlock the vehicle, the
electro-hydraulic brake system is activated.