ignition MERCEDES-BENZ SLS AMG COUPE 2012 User Guide

mode message appears in the multifunction
display.XTo deactivate SPORT handling mode:
briefly press button :.
The M warning lamp in the instrument
cluster goes out. ESP ®
is activated.
EBD (electronic brake force
distribution)
Observe the "Important safety notes" section
( Y page 56).
EBD monitors and controls the brake
pressure on the rear wheels to improve
driving stability while braking.
GWARNING
If the EBD malfunctions, the brake system will
still function with full brake boost. However,
the rear wheels could lock up during
emergency braking situations, for example.
You could lose control of the vehicle and
cause an accident.
Adapt your driving style to the changed
driving characteristics.
ADAPTIVE BRAKE
Observe the "Important safety notes" section
( Y page 54).
ADAPTIVE BRAKE enhances braking safety
and offers increased braking comfort. In
addition to the braking function, ADAPTIVE
BRAKE also features the hill start assist
function ( Y page 117). For further
information, see Driving tips ( Y page 133).
Anti-theft systems
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
SmartKey that is left inside the vehicle.XTo activate with KEYLESS-GO: switch the
engine off and open the driver's door.XTo activate with the SmartKey: remove
the SmartKey from the ignition lock.XTo deactivate: switch on the ignition.
i
The immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be
started when the starter battery is fully
charged, the immobilizer may be faulty.
Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in
USA) or 1-800-387-0100 (in Canada).
ATA (anti-theft alarm system)
A visual and audible alarm is triggered if the
alarm system is armed and you open:
R a door
R the trunk lid
R the hood
R Roadster: the glove box
R Roadster: a compartment in the center
console
R the vehicle with the mechanical key
The alarm is not switched off, even if you
close the open door that has triggered it, for
example.
Anti-theft systems59SafetyZ

iIf the alarm stays on for more than
30 seconds, the mbrace 2
system initiates
a call to the Customer Assistance Center
automatically. The emergency call system
initiates the call provided that:
R you have subscribed to the mbrace
service
R the mbrace service has been activated
properly
R the required mobile phone, power supply
and GPS are available.XTo arm: lock the vehicle with the
SmartKey.
The turn signal lamps flash three times and
an acoustic warning sounds three times to
indicate that the vehicle is locked. Indicator
lamp : flashes to indicate that the alarm
system is armed.
i If the turn signal lamps do not flash three
times and the acoustic warning does not
sound three times, a door or the trunk lid
may not be properly closed.
It may be necessary to close the affected
door or the trunk lid.
XTo deactivate: unlock the vehicle with the
SmartKey.
The turn signal lamps flash once and an
acoustic warning sounds once to indicate
that the anti-theft alarm system is switched
off.i Unless you open a door or the trunk lid
within 40 seconds of unlocking the vehicle:
R the vehicle will be locked again
R the anti-theft alarm system will be re-
armed.XTo stop the alarm: press the Start/Stop
button in the center console. The SmartKey
must be inside the vehicle.
or
XPress the % or & button on the
SmartKey.
or
XInsert the SmartKey into the ignition lock.
The alarm is switched off.
Tow-away alarm
An audible and visual alarm is triggered if your
vehicle's angle of inclination is altered while
the tow-away alarm is armed. This occurs if
the vehicle is jacked up on one side, for
example.
i If the alarm stays on for more than 30
seconds, the mbrace 3
system initiates a
call to the Customer Assistance Center
automatically. The emergency call system
initiates the call provided that:
R you have subscribed to the mbrace
service
R the mbrace service has been activated
properly
R the required mobile phone, power supply
and GPS are available.
XTo arm: lock the vehicle with the
SmartKey.
The tow-away alarm is armed after
approximately 30 seconds.XTo deactivate: unlock the vehicle with the
SmartKey.
The tow-away alarm is deactivated
automatically.2 TELEAID in Canada.
3 TELEAID in Canada.60Anti-theft systemsSafety

To prevent a false alarm, deactivate the tow-
away alarm manually if your vehicle:
R is being transported
R is being loaded onto a ferry or car
transporter, for example
R is parked on a movable surface, e.g. in a
split-level garageXTo deactivate: use the Start/Stop button
to set SmartKey position 0.
or
XRemove the SmartKey from the ignition
lock.XPress button :.
Indicator lamp ; lights up briefly.XLock the vehicle with the SmartKey.
The tow-away alarm is deactivated.
The tow-away alarm remains deactivated
until the vehicle is unlocked and locked
again.Anti-theft systems61SafetyZ

When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer ( Y page 158).
You can also set an audible signal to confirm
that the vehicle has been locked or unlocked.
The audible signal can be activated and
deactivated using the on-board computer
( Y page 159).XTo unlock centrally: press the %
button.
If you do not open the vehicle within
approximately 40 seconds of unlocking:
R the vehicle is locked again.
R the anti-theft alarm system is armed again.
XTo lock centrally: press the & button.
Changing the settings of the locking
system
You can change the setting of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
XTo change the setting: press and hold
down the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
( Y page 66) flashes twice.
The SmartKey now functions as follows:
XTo unlock the driver's door: press the
% button once.XTo unlock centrally: press the %
button twice.XTo lock centrally: press the & button.
Restoring the factory settings
XPress the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice.Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey, use the
mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered ( Y page 59).
There are several ways to turn off the alarm:
XPress the % or & button on the
SmartKey.
or
XInsert the SmartKey into the ignition lock.XTo unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key
XPush release catch : in the direction of
the arrow and at the same time, remove
mechanical key ; from the SmartKey.
SmartKey battery
Important safety notes
It is advisable to have batteries replaced at a
qualified specialist workshop, e.g. at an
authorized Mercedes-Benz Center.
GWARNING
Batteries contain toxic substances.
SmartKey65Opening/closingZ

Problems with the SmartKeyProblemPossible causes/consequences and M SolutionsYou cannot lock or
unlock the vehicle
using the SmartKey.The SmartKey battery is discharged or nearly discharged.XPoint the tip of the SmartKey at the driver's door handle from
close range and try to unlock or lock the vehicle again.
If this does not work:
XUnlock the vehicle using the mechanical key ( Y page 65).XCheck the SmartKey battery and replace it if necessary
( Y page 66).The SmartKey is faulty.XLock or unlock the vehicle using the mechanical key
( Y page 65).XHave the SmartKey checked at a qualified specialist workshop.You have lost a
SmartKey.XHave the SmartKey canceled at an authorized Mercedes-Benz
Center.XReport the loss immediately to the vehicle insurers.XIf necessary, have the locks changed as well.You have lost the
mechanical key.XReport the loss immediately to the vehicle insurers.XIf necessary, have the locks changed as well.The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle.A door is open. Therefore, the SmartKey cannot be detected as
easily.XClose the door and try to start the vehicle again.There is interference from a powerful source of radio waves.XStart your vehicle with the SmartKey in the ignition lock.SmartKey67Opening/closingZ

ProblemPossible causes/consequences and M SolutionsThe engine cannot be
started using the
SmartKey.The on-board voltage is too low.XSwitch off non-essential consumers, such as seat heating or
interior lighting, and try to start the engine again.XRemove the SmartKey and reinsert it into the ignition lock.XStart the engine within 30 seconds of inserting the SmartKey
into the ignition lock.XRepeat if necessary.
If this does not work:
XCheck the starter battery and charge it if necessary
( Y page 240).
or
XJump-start the vehicle ( Y page 243).
or
XConsult a qualified specialist workshop.The SmartKey cannot
be turned in the ignition
lock.The SmartKey has been in position 0 for a considerable time.XRemove the SmartKey and reinsert it into the ignition lock.XCheck the starter battery and charge it if necessary
( Y page 240).XStart the engine.The on-board voltage is too low.XSwitch off nonessential consumers, such as seat heating or
interior lighting, and try to turn the SmartKey again.
If this does not work:
XCheck the starter battery and charge it if necessary
( Y page 240).
or
XJump-start the vehicle ( Y page 243).
or
XConsult a qualified specialist workshop.68SmartKeyOpening/closing

Doors
Important safety notes
GWARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system, and do not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts.
GWARNING
Do not carry heavy or hard objects in the
passenger compartment or trunk unless they
are firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident
Unlocking and opening the doors
from the outside
Coupe
! The doors swing upwards and out when
opened. Therefore, make sure that there is
sufficient clearance above the vehicle.
XPoint the SmartKey towards door
handle :.XPress the % button on the SmartKey.
Door handle : moves out.XLift the door by door handle : and swing
it up as far as it will go.
Closing the door
XPull the door downwards by the outer edge
or the interior door handle. Swing the door
down gently and allow it to engage in the
lower position.XLock the vehicle with the SmartKey if
necessary ( Y page 64).
Roadster
XPoint the SmartKey towards the door
handle.XPress the % button on the SmartKey.
The door is unlocked and can be opened.XPull the door handle.Doors69Opening/closingZ

XTo lock: press button ;.
If both doors are closed, the vehicle locks.XTo unlock: press button :.
You can open a door from inside the vehicle
even if it has been locked. Only open the door
when the traffic situation permits.
If the vehicle has been locked with the central
locking button:
R and the SmartKey is set to its factory
setting, the entire vehicle is unlocked if a
door is opened from the inside
R and the SmartKey is set to an individual
setting, only the door that is opened from
inside the vehicle is unlocked.
Automatic locking mechanism
(Roadster)
You can only open a door from the inside if it
is unlocked.
The vehicle locks the doors automatically if
you drive faster than 15 km/h.
The doors are automatically unlocked after a
journey if you switch off the engine.
The vehicle locks automatically when the
ignition is switched on and the wheels of the
vehicle are moving at a speed of more than
9 mph (15 km/h) . There is therefore a risk of
being locked out when the vehicle is being
pushed, towed or tested on a dynamometer.
XTo deactivate: press and hold button :
for about five seconds until a tone sounds.XTo activate: press and hold button ; for
about five seconds until a tone sounds.
i If you press one of the two buttons and
do not hear a tone, the relevant setting has
already been selected.
You can also switch the automatic locking
function on and off using the on-board
computer ( Y page 159).
Unlocking the driver's door
(mechanical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered ( Y page 59).
XTake the mechanical key out of the
SmartKey ( Y page 65).XInsert the mechanical key into the lock of
the driver's door as far as it will go.Doors71Opening/closingZ

XTake the mechanical key out of the
SmartKey ( Y page 65).XInsert the mechanical key into the lock of
the driver's door as far as it will go.XTurn the mechanical key clockwise as far
as it will go to position 1.XTurn the mechanical key back and remove
it.XMake sure that the doors and the trunk lid
are locked.XInsert the mechanical key into the
SmartKey.
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not armed.
Trunk
Important safety notes
GWARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system, and do not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts.
GWARNING
Make sure the trunk lid is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases may enter the vehicle interior resulting
in unconsciousness and death.
! The temperature in the trunk may be high.
For this reason, do not store any
temperature-sensitive objects in the trunk.
Trunk73Opening/closingZ

GWARNING
Closing the side windows with increased force
or without the anti-entrapment feature could
lead to serious or even fatal injury. Make sure
that nobody can become trapped when
closing the side windows.
If a side window is obstructed during closing
and reopens again slightly:
XImmediately after the window blocks, pull
the corresponding switch again until the
side window has closed.
The side window is closed with increased
force.
If a side window is obstructed again during
closing and reopens again slightly:
XImmediately after the window blocks, pull
the corresponding switch again until the
side window has closed.
The side window is closed without the anti-
entrapment feature.GWARNING
Pulling and holding the switch to close the
door window immediately after it had been
blocked two times will cause the door window
to close without the anti-entrapment feature
for as long as you hold the switch.
Soft top (Roadster)
Important safety notes
GWARNING
Only drive with the soft top fully open or
closed.
If the soft top does not open or close fully, the
soft-top hydraulics are depressurized and the
soft top is lowered:
R after about seven minutes if the ignition is
switched on
R immediately if the ignition is switched off
A warning tone sounds shortly beforehand.
The Top lowering message appears in the
multifunction display..
Lock the soft top again before driving on.
Otherwise the unlocked soft top could open
during the journey and cause you to lose
control of your vehicle. You and/or other
persons could be injured as a result.
You can open or close the soft top:
R if the vehicle is stationary or
R if the speed does not exceed 30 mph
(50 km/h)
If there is a strong head wind, it may not be
possible to close the soft top fully. In this
case, reduce speed or stop in order to close
the soft top fully.
For safety reasons, Mercedes-Benz
recommends that you only open or close the
soft top when the vehicle is stationary.
! Never sit on the soft top when it is closed
or store heavy objects on it. You will
otherwise damage the soft top of the
vehicle.
! When opening and closing the soft top,
make sure that:
R there is sufficient clearance above it, as
the soft top swings upwards.
R there are no objects on the soft top or
the soft-top covers to the side.
R the fabric is not dirty, wet or frozen
R the outside temperature is above -10 †.
You could otherwise damage the soft top
as well as other parts of the vehicle.
i Make sure that the soft top is dry and
clean before closing it. Otherwise, water or
dirt could enter the vehicle interior or trunk.
Opening and closing with the soft top
switch
Important safety notes
GWARNING
Make sure nobody can be trapped or injured
by moving parts, such as the soft-top linkage
78Soft top (Roadster)Opening/closing