2006 MERCEDES-BENZ CLK COUPE start stop button

81 Safety and Security
Occupant safety
The 56indicator lamp is located in
the center console.
1Front passenger front air bag off
indicator lamp
The 56indicator lamp1 will be
illuminated, except with the SmartKey
removed or in starter switch position0.Self-test Occupant Classification
System
After turning the SmartKey in the starter
switch to position1 or2 or pressing the
KEYLESS-GO* start/stop button once or
twice, the 56 indicator lamp
located in the center console illuminates. If
an adult occupant is properly sitting on the
front passenger seat and the system
senses the occupant as being an adult,
the56 indicator lamp will
illuminate and go out after
approximately 6 seconds.
If the seat is not occupied and the system
senses the front passenger seat as being
empty, the 56 indicator lamp will
illuminate and not go out. deployment of the front passenger
front air bag even though the
impact met the criteria and was of
sufficient severity to deploy the
driver front air bag.
Warning!
G
If the 1indicator lamp and the
56indicator lamp are lit at the same
time, there is a malfunction in the Occupant
Classification System. The front passenger
front air bag will be deactivated in this case.
In order to ensure proper operation of the
air bag system and OCS:

Have the system checked as soon as
possible by qualified technicians.
Contact an authorized Mercedes-Benz
Center.


Sit properly belted in a nearly upright
position with your back against the seat
backrest.


Do not lean on the armrests or lift your-
self from the seat by using the handle
over the door as this may cause the OCS
to be unable to correctly approximate
the occupant weight category.


Only have the seat repaired or replaced
by an authorized Mercedes-Benz
Center.


Read and observe all warnings in this
chapter.

86 Safety and SecurityPanic alarmAn audible alarm and flashing exterior
lamps will operate for approximately
21/2minutes.
1Â button
Activating
Press and hold button1 for at least
one second.
Deactivating
Press button1 again.
or

Insert the SmartKey or the SmartKey
with KEYLESS-GO* in the starter
switch.
or

Press the KEYLESS-GO* start/stop
button (
page 35).
The SmartKey with KEYLESS-GO* must
be inside the vehicle.
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.

93 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
With the SmartKey
Remove the SmartKey from the starter
switch.
With KEYLESS-GO*

Turn off the engine by means of the
start/stop button (
page 35) on the
gear selector lever.

Open the driver’s door.Deactivating
With the SmartKey

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

Switch on the ignition (
page 36).
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.
The alarm will stay on even if the activating
element (e.g. a door) is immediately
closed.
The alarm system will also be triggered
when


someone attempts to raise the vehicle
(only vehicles with tow-away alarm).


the vehicle is opened with the
mechanical key.


someone opens a door from the inside.


someone opens the trunk with the
emergency release button.
iStarting the engine will also deactivate
the immobilizer.
In 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).

95 Safety and Security
Anti-theft systems
Disarming the alarm system
Unlock your vehicle with the SmartKey
or KEYLESS-GO*.
The turn signal lamps flash once, and
an acoustic signal sounds once (if
equipped and feature activated), to
indicate that the alarm system is
disarmed.Canceling 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 an outside door handle.
The SmartKey with KEYLESS-GO must
be within 3 ft (1 m) of the vehicle.
or

Press the KEYLESS-GO* start/stop
button (
page 35).
The SmartKey with KEYLESS-GO must
be inside the vehicle.
Tow-away alarm*
Depending on vehicle production date,
your vehicle may not be equipped with the
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.
iThe alarm system will rearm automati-
cally after approximately 40 seconds if
neither a door nor the trunk lid was
opened.
iThe tow-away protection alarm is trig-
gered, for example, if the vehicle is lift-
ed 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 279) provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available.

105 Controls in detail
Locking and unlocking


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 the door to be
opened or the trunk lid.


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 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 (e.g. if passen-
ger exits the vehicle with the SmartKey
with KEYLESS-GO).


with the starter switch position1,
the message:Key not recognizedappears in the multifunction display


with the engine running, the
message:Key not recognizedappears in the multifunction display
while driving off.
Find the SmartKey with KEYLESS-GO or
change its present location immediate-
ly (e.g. place it on the front passenger
seat or insert it in shirt pocket).


If you have started the engine with the
KEYLESS-GO start/stop button
(page 35), you can turn it off again
with:


the KEYLESS-GO start/stop button


the SmartKey inserted in the starter
switch, when the gear selector le-
ver is in positionP


Remember that the engine can be
started by anyone with a SmartKey
with KEYLESS-GO that is left inside the
vehicle.
Possibility 1:
(One SmartKey with KEYLESS-GO in
the vehicle, one SmartKey with
KEYLESS-GO outside the vehicle):
If you leave the SmartKey with
KEYLESS-GO behind when exiting and
locking the vehicle, no message ap-
pears in the multifunction display.
Possibility 2:
(One SmartKey with KEYLESS-GO in
the vehicle, no SmartKey with
KEYLESS-GO outside the vehicle):
When exiting and trying to lock the ve-
hicle, the messageKey recognized in vehiclewill appear in the multifunction display.
The vehicle will not be locked.

110 Controls in detailLocking and unlockingLoss of the 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
Mercedes-Benz Center.

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

Have the mechanical lock replaced if
necessary.
Your authorized Mercedes-Benz Center
will be glad to supply you with a
replacement.
Opening the doors from the inside
You can open a locked door from the in-
side. Open doors only when conditions are
safe to do so.
1Locking knob
2Inside door handle
iIf the vehicle has previously been
locked with the SmartKey or
KEYLESS-GO*, opening a door from the
inside will trigger the anti-theft alarm
system.
To cancel the alarm, do one of the
following:
With the SmartKey

Insert the SmartKey in the starter
switch.


Press button‹orŒ on the
SmartKey.
With KEYLESS-GO*


Pull an outside door handle.
The SmartKey with KEYLESS-GO
must be within 3 ft (1 m) of the ve-
hicle.


Press the KEYLESS-GO* start/stop
button (
page 35).
The SmartKey with KEYLESS-GO
must be inside the vehicle.

115 Controls in detail
Locking and unlocking
Closing the trunk from the outside
(vehicles without KEYLESS-GO*)
In vehicle with trunk opening/closing sys-
tem* you can close the trunk separately.
1Trunk closing switch
Press trunk closing switch1 briefly.
The trunk closes.If the trunk lid comes into contact with an
object while closing (e.g. luggage that has
been piled too high), the closing procedure
is stopped and the trunk reopens slightly.iYou can also close the trunk by hand
(page 114).
Warning!
G
Monitor the closing procedure carefully to
ensure that no one is in danger of being in-
jured. To prevent possible personal injury,
always keep hands and fingers away from
the trunk opening when closing the trunk.
Be especially careful when small children
are around. To stop the closing procedure,
do one of the following:

press trunk closing switch1


press the Š button on the SmartKey


press the remote trunk opening or clos-
ing switch (on driver’s door)
Even with the SmartKey removed from the
starter switch, the trunk closing switch can
be operated. Therefore, do not leave chil-
dren unattended in the vehicle, or with ac-
cess to an unlocked vehicle.
Unsupervised use of vehicle equipment may
cause an accident and/or serious personal
injury.Warning!
G
Only drive with the trunk closed as, among
other dangers such as blocked visibility,
exhaust fumes may enter the vehicle
interior.iDo not place the SmartKey in the open
trunk. You may lock yourself out.iIf the vehicle was previously centrally
locked, the trunk will lock automatical-
ly after closing it (
page 113). All turn
signal lamps flash three times, and an
acoustic signal sounds three times (if
equipped and feature activated), to
confirm locking.

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

The button will flash for 30 minutes
after opening the trunk.


The button will flash for 60 minutes
after closing the trunk.
Valet locking
The lock is located next to the handle
above the rear license plate recess.
1Neutral position
2Locked
iThe emergency release button unlocks
and opens the trunk while the vehicle is
standing still or in motion.iThe emergency release button does
not open the trunk if the vehicle battery
is discharged or disconnected.iIf the trunk does not open, it is still
locked separately (
page 119).
iIf the vehicle has previously been
locked using the SmartKey or
KEYLESS-GO*, opening the trunk from
the inside using the emergency release
button will trigger the anti-theft alarm
system.
To cancel the alarm, do one of the
following:

Insert the SmartKey in the starter
switch.


Press button‹orŒ on the
SmartKey.
In vehicles with KEYLESS-GO*:


Pull an outside door handle.
The SmartKey with KEYLESS-GO*
must be within 3 ft (1 m) of the ve-
hicle.


Press the KEYLESS-GO* start/stop
button (
page 35).
The SmartKey with KEYLESS-GO*
must be inside the vehicle.
iTo deny any unauthorized person ac-
cess to the trunk, e.g. when you valet
park the vehicle, lock it separately with
the mechanical key. Leave only the
SmartKey or SmartKey with
KEYLESS-GO* less its mechanical key
with the vehicle.