MERCEDES-BENZ CLK320 CABRIOLET 2005 A209 Owners Manual

90 Safety and SecurityAnti-theft systemsArming the alarm system
The indicator lamp is in the switch for the
tow-away alarm in the center console.
1Indicator lamp

Lock the vehicle with the SmartKey or
KEYLESS-GO*.
The turn signal lamps flash three times
to indicate that the alarm system is
activated. Indicator lamp1 begins to
flash after approximately 30 seconds
after arming the alarm system.Disarming the alarm system

Unlock the vehicle with the SmartKey
or KEYLESS-GO*.
The turn signal lamps flash once to
indicate that the alarm system is disarmed.
iIf the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system (
page 277) provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available.
iIf the turn signal lamps do not flash
three times, one of the following
elements may not be properly closed:

a door


the trunk lid


the hood
Close the respective element and lock
the vehicle again.
iThe alarm system will rearm automati-
cally after approximately 40 seconds if
no door or the trunk lid was opened.

91 Safety and Security
Anti-theft systems
Canceling the alarm
To cancel the alarm:
With the SmartKey
Press the Œ or ‹ button on the
SmartKey.
or

Insert the SmartKey in the starter
switch.
With KEYLESS-GO*

Pull the outside door handle.
or

Press the KEYLESS-GO start/stop
button.
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 the vehicle with the SmartKey or
KEYLESS-GO*.
The tow-away alarm is automatically
armed after about 30 seconds.
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 automatically by the
Tele Aid system (
page 277) provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available.
iWhen you unlock the vehicle, the
tow-away protection disarms
automatically. The tow-away alarm
remains disarmed until you lock the
vehicle again.

92 Safety and SecurityAnti-theft systemsDisarming 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 switch is located on the center
console.
1Tow-away alarm off switch
2Indicator lamp
Switch off the ignition and remove the
SmartKey.

Press switch1.
Indicator lamp2 in switch1 comes
on briefly.

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

Press the Œ or ‹ button on the
SmartKey.
or

Insert the SmartKey in the starter
switch.
With KEYLESS-GO*

Pull the outside door handle.
or

Press the KEYLESS-GO start/stop
button.
iYou cannot disarm the tow-away alarm
while the ignition is switched on.

93 Controls in detail
Locking and unlocking
Seats
Memory function
Lighting
Instrument cluster
Control system
Automatic transmission
Good visibility
Climate control (CLK 320)
Automatic climate control (CLK 500/CLK 55 AMG)
Audio system
Power windows
Soft top
Driving systems
Loading
Useful features

94 Controls in detailIn 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
For more information on locking and
unlocking, see “Getting started”
(page 32) and (
page 55).
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 glove box


the trunk lid


the fuel filler flap
SmartKey with remote control1‹ Lock button
2Š Opening button for trunk lid
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button (
page 83)

95 Controls in detail
Locking and unlocking
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
interference, and
(2) this device must accept any inter-
ference received, including interfer-
ence 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 interfer-
ence, and
(2) this device must accept any inter-
ference received, including interfer-
ence 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 soft
top (
page 251) and the power win-
dows (page 242) using the
SmartKey.

96 Controls in detailLocking and unlockingFactory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
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
activatedGlobal locking

Press button‹.
With the hood, trunk and both doors
closed, all turn signal lamps flash three
times. The locking knobs in the doors
move down. The anti-theft alarm sys-
tem is armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressingŒ only unlocks the driver’s
door and the fuel filler flap.

Press and hold buttonsŒ and‹
simultaneously for about five seconds
until battery check lamp5 flashes
twice.
The SmartKey will then function as follows:Unlocking driver’s door and fuel filler
flap

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

Press buttonΠtwice.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is
disarmed.

97 Controls in detail
Locking and unlocking
Global locking
Press button‹.
With the hood, trunk and both doors
closed, all turn signal lamps flash three
times. The locking knobs in the doors
move down. The anti-theft alarm sys-
tem is armed.
Restoring to factory setting

Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp5 flashes
twice.Checking the batteries

Press button‹ orŒ.
Battery check lamp5 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 97) and replace
them if necessary (
page 412).


Use the mechanical key to unlock
the driver’s door (
page 397) and
the trunk (
page 398).


Have the vehicle battery and the
battery connections checked
(page 427).


Use the mechanical key to lock the
driver’s door (
page 398).
If the SmartKey is malfunctioning,
contact an authorized Mercedes-Benz
Center.
iIf battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 412).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within
signal range of the vehicle, pressing
the‹ orŒ button will lock or
unlock the vehicle accordingly.

98 Controls in detailLocking and unlockingUnlocking and opening the trunk lid
You can unlock and open the trunk lid
separately.
A minimum height clearance of 5.41 ft
(1.65 m) is required to open the trunk lid.
Press and hold button Š until the
trunk lid unlocks and begins to open.
The trunk lid can also be opened from its
inside in an emergency, see “Trunk lid
emergency release” (
page 109).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 immediately to your
car insurance company.

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 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 KEYLESS-GO function is integrated
into the SmartKey. On these vehicles, the
validity of the SmartKey with KEYLESS-GO
is checked every time you pull a door
handle.
If the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks

the doors


the glove box


the trunk lid


the fuel filler flap
!The trunk lid swings open upwards au-
tomatically. Always make sure there is
sufficient overhead clearance.iIf the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed (
page 107). The
turn signals will flash three times to
confirm locking.

99 Controls in detail
Locking and unlocking
SmartKey with KEYLESS-GO1‹ Lock button
2Š Opening button for trunk lid
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button (
page 83)
For more information on using the
SmartKey buttons, see “SmartKey”
(
page 94). iWhen the passenger outside door han-
dle is pulled, the vehicle is centrally un-
locked.
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
exposing the SmartKey with
KEYLESS-GO to high levels of electro-
magnetic 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
interference, and
(2) this device must accept any inter-
ference received, including interfer-
ence that may cause undesired
operation.
Any unauthorized modification to this
device could void the user’s authority
to operate the equipment.