2004 MERCEDES-BENZ SL500 mechanical key

85 Safety and Security
Anti-theft systems
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.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
if the vehicle was locked from the out-
side with the SmartKey


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 25)
begins to flash after arming the alarm sys-
tem.
iIf the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem (
page 225) provided Tele Aid
service was subscribed to and properly
activated, and that necessary cellular
service and GPS coverage are avail-
able.
iIf 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 vehicle again.

90 Controls in detailLocking and unlocking
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 giv-
en 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 locking
tabs for the mechanical key portion of the
two SmartKeys are a different color to help
distinguish each SmartKey unit.
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 lid


the glove box


the storage compartment under the
armrest


the storage compartment in the rear


the fuel filler flap
SmartKey with remote control1‹Lock button
2Š Unlock button for the trunk lid
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button (
page 74)

92 Controls in detailLocking and unlockingRestoring to factory setting
Press and hold buttons Œ and ‹
simultaneously for about six seconds
until battery check lamp5
(page 90) flashes twice.
Unlocking the trunk lid
You can unlock the trunk separately.
A minimum height clearance of
6.2 ft (1.88 m) is required to open the
trunk lid.

Press and hold button Š until trunk
unlocks.Checking the batteries

Press button ‹ or Œ.
Battery check lamp5 (
page 90)
comes on briefly to indicate that the
SmartKey batteries are in order.
!If you can no longer lock or unlock the
vehicle with the SmartKey, then the
batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.

Check the batteries in the
SmartKey (
page 92) and replace
them if necessary (
page 328).


Use the mechanical key to unlock
the doors (
page 325).


Have the vehicle batteries and their
connections checked
(page 358).


Use the mechanical key to lock or
unlock the doors (
page 327) .
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Center.
iIf the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed. The turn signals will
flash three times to confirm locking.
!If battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.

Replace the batteries (
page 328).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing
the‹ orŒ button will lock or
unlock the vehicle accordingly.

93 Controls in detail
Locking and unlocking
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 removable mechanical key. The lock-
ing tabs for the mechanical key portion of
the two SmartKeys are a different color to
help distinguish each SmartKey unit.
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.
If 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 Unlock button for the trunk lid
3Mechanical key locking tab
4ŒUnlock button
5Battery check lamp
6Â Panic button (
page 74)
For information on using the SmartKey
buttons, see “SmartKey” (page 90).

96 Controls in detailLocking and unlockingFactory setting
Global unlocking
Grasp the door handle.
The vehicle will lock again automatically
within approximately 40 seconds of un-
locking if neither door nor trunk is opened.
Global locking

Press lock button at door handle
(page 55) or trunk (
page 98).Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so that grasping a door han-
dle only unlocks the driver’s door, interior
lockable storage compartments and the
fuel filler flap.

Press and hold buttons Œ and ‹
simultaneously for about six seconds
until battery check lamp5
(page 90) flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:
Unlocking the driver’s door

Grasp the driver’s door handle.
Global unlocking

Grasp the door handle on the passen-
ger side.
Global locking

Press lock button at door handle or
trunk lid.Restoring to factory setting

Press and hold buttons Œ and ‹
simultaneously for about six seconds
until battery check lamp5
(page 93) flashes twice.
iThe vehicle could inadvertently unlock
if the SmartKey with KEYLESS-GO is
within 3 ft (1 m) of the vehicle and

the door handle is splashed with
water
or


you attempt to clean the door
handle
!If you can no longer lock or unlock the
vehicle with the SmartKey with
KEYLESS-GO, then the battery in the
SmartKey is discharged, the SmartKey
with KEYLESS-GO is malfunctioning or
the vehicle battery is drained.

Check the battery in the SmartKey
with KEYLESS-GO (
page 92) and
replace it if necessary
(
page 328).


Use the mechanical key to unlock
the doors (
page 325).

97 Controls in detail
Locking and unlocking
Unlocking the trunk lid
The handle is located above the rear li-
cense plate recess.
1Handle
Pull on handle 1.
The vehicle unlocks the trunk lid only.
or

Press and hold button Š on the
SmartKey until the trunk unlocks.


Have the vehicle batteries and their
connections checked
(page 358).


Use the mechanical key to lock or
unlock the doors (
page 327).
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Center.
iIf the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed (
page 102). The
turn signals will flash three times to
confirm locking.
To prevent a possible inadvertent lock-
out, the trunk lid will open automatical-
ly if a SmartKey with KEYLESS-GO is
recognized inside the trunk.

98 Controls in detailLocking and unlockingLocking the vehicle
1Trunk lock button
Press trunk lock button 1 or the lock
button on the door handle (
page 55).Checking the battery

Press button ‹ or Œ.
Battery check lamp5 (
page 93)
comes on briefly to indicate that the
SmartKey batteries are in order.Loss of SmartKey with KEYLESS-GO
If you lose your SmartKey with
KEYLESS-GO, you should do the following:

Have the SmartKey with KEYLESS-GO
deactivated by an authorized Mer-
cedes-Benz Center.

Report the loss of the SmartKey with
KEYLESS-GO or the mechanical key to
your car insurance company immedi-
ately.

Have the mechanical lock replaced if
necessary.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
!If battery check lamp5 (
page 93)
does not come on briefly during check,
then the SmartKey battery is dis-
charged.


Replace the battery (
page 328).
You can obtain the required battery at
any authorized Mercedes-Benz Center.

103 Controls in detail
Locking and unlocking
Illumination of the emergency release but-
ton:

The button will flash for 30 minutes af-
ter opening the trunk.


The button will flash for 60 minutes af-
ter closing the trunk.
Separately locking the trunk
iThe emergency release button does
not open the trunk lid if the vehicle bat-
tery is discharged or disconnected.
iIf the emergency release button is
pressed and the vehicle was centrally
locked, the exterior lamps will flash and
the alarm will sound as the trunk lid
opens.
To cancel the alarm, do one of the fol-
lowing:
With the SmartKey

Insert the SmartKey in the starter
switch.


Press buttonŒ or‹ on the
SmartKey.
With KEYLESS-GO*


Grasp the outside door handle.


Press the KEYLESS-GO* start/stop
button.
iYour vehicle may be equipped with a
function permitting the separate lock-
ing and unlocking of the trunk using the
mechanical key. If present, this feature
can permit you to deny any unautho-
rized person access to the trunk by
locking the trunk separately and leav-
ing the SmartKey less the mechanical
key with the vehicle.
To verify the presence of this feature,
use the mechanical key to lock the
trunk an then attempt to open the
trunk by pulling on the trunk lid handle
after the vehicle has been centrally un-
locked with the SmartKey.