2007 MERCEDES-BENZ SL550 Key function

103 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press button Œ.
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 door nor trunk is opened


the SmartKey is not inserted in the
starter switch


the central locking switch is not acti-
vated
Global locking

Press button ‹.
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.
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 ex-
posing the SmartKey to high levels of electro-
magnetic radiation.
i
USA only: This device complies with Part 15
of the FCC Rules. Operation is subject to the fol-
lowing 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.
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 open and close the power win-
dows (page 196) and the retractable hardtop
using the SmartKey (
page 201).

104 Controls in detailLocking and unlockingSelective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressingŒ only unlocks the driver’s
door, interior lockable storage compart-
ments and the fuel filler flap.
Press and hold buttons Πand
‹simultaneously for about
6 seconds until battery check lamp5
flashes twice.
The SmartKey will then function as fol-
lows:
Unlocking driver’s door and fuel filler
flap

Press button Πonce.
All turn signals flash once. The locking
knob in the driver’s door moves up.
The anti-theft alarm system is disarmed.Global unlocking

Press button Πtwice.
All turn signals flash once. The locking
knobs in the doors move up. The anti-theft
alarm system is disarmed.
Global locking

Press button ‹.
All turn signals flash three times. The lock-
ing knobs in the doors move down.
The anti-theft alarm system is armed.
Restoring to factory setting

Press and hold buttons Œ and ‹
simultaneously for about 6 seconds
until battery check lamp5
(page 102) flashes twice.
!
If you can no longer lock or unlock the vehi-
cle with the SmartKey, then the batteries in the
SmartKey are discharged, the SmartKey is mal-
functioning or the vehicle battery is drained.


Check the batteries in the SmartKey
(page 105) and replace them if necessary
(page 395).


Use the mechanical key to unlock the driv-
er’s door (
page 391) and the trunk
(
page 117).


Have the vehicle batteries and their connec-
tions checked (
page 414).


Use the mechanical key to lock or unlock the
doors (
page 393).
If the SmartKey is malfunctioning, contact an
authorized Mercedes-Benz Center.

105 Controls in detail
Locking and unlocking
Checking the batteries
Press button ‹or Œ.
Battery check lamp5 (
page 102)
comes on briefly to indicate that the
SmartKey batteries are in order.Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:

Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.

Report the loss of the SmartKey or the
mechanical key to your car insurance
company immediately.

If necessary, have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
SmartKey with KEYLESS-GO*
Vehicles equipped with KEYLESS-GO come
with two SmartKeys with KEYLESS-GO,
each with remote controls and a remov-
able mechanical key.
The locking tabs for the mechanical key
portion of the two SmartKeys with
KEYLESS-GO are a different color to help
distinguish each SmartKey with
KEYLESS-GO unit.
The function of the SmartKey overrules the
KEYLESS-GO function.
The KEYLESS-GO function is integrated
into the SmartKey. On these vehicles, the
validity of the SmartKey with KEYLESS-GO
is checked every time you grasp a door
handle.
i
If battery check lamp5 does not come on
briefly during check, then the SmartKey batter-
ies are discharged.


Replace the batteries (
page 395).
You can obtain the required batteries at any
authorized Mercedes-Benz Center.
i
If the batteries are checked within signal
range of the vehicle, pressing the‹orŒ
button will lock or unlock the vehicle according-
ly.

106 Controls in detailLocking and unlockingIf the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks

the doors


the trunk lid


the glove box


the storage compartment under the
armrest


the storage compartment in the rear


the fuel filler flap
SmartKey with KEYLESS-GO1‹Lock button
2Š Opening button for trunk
(
page 111)
3Mechanical key locking tab
4ŒUnlock button
5Battery check lamp
6Â Panic button (
page 86)
For information on using the SmartKey
buttons, see “SmartKey” (page 102).
Warning!
G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO 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.!
To prevent possible malfunction, avoid ex-
posing the SmartKey with KEYLESS-GO to high
levels of electromagnetic radiation.
i
USA only: This device complies with Part 15
of the FCC Rules. Operation is subject to the fol-
lowing 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.

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

109 Controls in detail
Locking and unlocking
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so that grasping an outside
door handle only unlocks the driver’s door,
interior lockable storage compartments
and the fuel filler flap.
Press and hold buttons Œ and ‹
simultaneously for about 6 seconds
until battery check lamp5
(page 106) flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:Unlocking the driver’s door and fuel fill-
er flap

Grasp the driver’s door handle.
All turn signals flash once. The locking
knob in the driver’s door moves up. The
anti-theft alarm system is disarmed.
Global unlocking

Grasp the door handle on the passen-
ger side.
All turn signals flash once. The locking
knobs in the doors move up. The
anti-theft alarm system is disarmed.
Global locking

Press lock button on an outside door
handle or the trunk lid.
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.Restoring to factory setting

Press and hold buttons Œ and ‹
simultaneously for about 6 seconds
until battery check lamp5
(page 106) flashes twice.
!
If you can no longer lock or unlock the vehi-
cle with the SmartKey with KEYLESS-GO, then
the batteries in the SmartKey are discharged,
the SmartKey with KEYLESS-GO is malfunction-
ing or the vehicle battery is drained.


Check the batteries in the SmartKey with
KEYLESS-GO (
page 105) and replace
them if necessary (page 395).


Use the mechanical key to unlock the driv-
er’s door (
page 391) and the trunk
(
page 117).


Have the vehicle batteries and their connec-
tions checked (
page 414).


Use the mechanical key to lock or unlock the
doors (
page 393).
If the SmartKey with KEYLESS-GO is malfunc-
tioning, contact an authorized Mercedes-Benz
Center.

128 Controls in detail LightingFor information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 55)
and “Turn signals” (
page 56).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.
MOff
Daytime running lamp mode
(
page 130)
UAutomatic headlamp mode
Daytime running lamp mode
(page 130)
CParking lamps (also tail lamps, li-
cense plate lamps, side marker
lamps, instrument panel lamps)Canada only: When the engine is
running, the low beam headlamps
are also switched on.
BLow beam headlamps (or high
beam headlamps when the combi-
nation switch is pushed forward)
and parking lamps
ˆStanding lamps, right (turn left one
stop)
‚Standing lamps, left (turn left two
stops)
CIndicator lamp for parking lamps
‡Indicator lamp for front fog lamps
†Indicator lamp for rear fog lamp
i
If you drive in countries where vehicles drive
on the other side of the road than the country in
which the vehicle is registered, you must have
the headlamps modified for symmetrical low
beams. Relevant information can be obtained at
any authorized Mercedes-Benz Center.
i
With the SmartKey removed from the starter
switch or the engine turned off with
KEYLESS-GO* and the driver’s door open, a
warning sounds if the parking lamps or the low
beam headlamps are switched on.
The message $
Turn off lamps
appears in
the multifunction display.