2008 MERCEDES-BENZ CL-Class door lock

79 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
When leaving the vehicle, always take the
SmartKey or SmartKey with KEYLESS-GO*
with you, and lock the vehicle. The engine
can be started by anyone with a valid
SmartKey or SmartKey with KEYLESS-GO*
that is left inside the vehicle.
Activating
With the SmartKey: Remove the
SmartKey from the starter switch.

With the KEYLESS-GO*: Turn off the
engine (
page 366) and open the driv-
er’s door.
Deactivating

Switch on the ignition (
page 365).
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 (a door, for example) is immedi-
ately closed.
The alarm system will also be triggered
when


the vehicle is opened with the
mechanical key


a door is opened from the inside
To cancel the alarm after it has been trig-
gered, see “Canceling the alarm”
(
page 80).
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Starting the engine will also deactivate the
immobilizer.
In case the engine cannot be started (yet the ve-
hicle’s battery is charged), the system is not op-
erational. Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).

80 Safety and SecurityAnti-theft systems1Indicator lamp
Arming: Lock your vehicle with the
SmartKey or KEYLESS-GO*.
The turn signal lamps flash three times
to indicate that the vehicle is locked.
The indicator lamp1 flashes to indi-
cate that the alarm system is armed.

Disarming: Unlock your vehicle with
the SmartKey or KEYLESS-GO*.
The turn signal lamps flash once to in-
dicate that the alarm system is dis-
armed.
Canceling the alarm
To cancel the alarm, do one of the follow-
ing:
Insert the SmartKey or SmartKey with
KEYLESS-GO* in the starter switch.

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

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

Press the KEYLESS-GO start/stop but-
ton (
page 366).
The SmartKey with KEYLESS-GO must
be inside the vehicle.
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If the alarm stays on for more than
30 seconds, a call to the Response Center is ini-
tiated automatically by the Tele Aid system
(
page 522) provided Tele Aid service was sub-
scribed to and properly activated, and that nec-
essary mobile phone, power supply and GPS
coverage are available.
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If the turn signal lamps does not flash three
times one of the following elements may not be
properly closed:


a door


the trunk
Close the respective element and lock the vehi-
cle again.
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The alarm system will rearm automatically
again after approximately 40 seconds if no door
was opened.

260 Control systemsCOMAND vehicle menuIn this menu, you can program the follow-
ing vehicle functions:
Setting night security illumination
(Exterior Lighting Delayed Switch-off)
Use this function to set whether and how
long you would like the exterior lighting to
illuminate during darkness after exiting the
vehicle and both doors closed.
The exterior lighting automatically goes
out after the delayed switch-off time has
expired.
You can select:

“0 sec.”, the delayed switch-off feature
is deactivated


“15 sec.”, “30 sec.”, “45 sec.”, or
“60 sec.”, the delayed switch-off fea-
ture is activated

Select “Vehicle”.
The main area is active.

Selecting “Exterior Lighting Delayed
Switch-off” menu: Slide omp or
rotateymz.

Confirming selection: Press n.

Selecting length of time: Slide qmr
or rotate ymz.

Confirming selection: Press n.
or

Select “Vehicle”
“Vehicle”
“Exte-
rior Lighting Delayed Switch-off”.
A selection list appears.
The current setting is indicated by a
dotR.
Function
Page
Exterior Lighting Delayed
Switch-off
260
Locator Lighting
261
Exterior Mirror Convenience
Settings
262
Automatic Locking
263
Easy Entry/Exit Feature
264
Interior Ambient Light
265
Interior Lighting Delayed
Switch-off
266
Rear-window Sunshade
267
Trunk Opening-height Restriction*
268
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The components and operating principles of
COMAND can be found on (
page 83).
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You can reactivate this function within
10 minutes by opening a door.

261 Control systems
COMAND vehicle menu

Selecting length of time: Slide qmr
or rotate ymz.

Confirming selection: Press n.
To activate night security illumination:

Select delayed switch-off period (see
above).

Turn the exterior lamp switch to
position* before turning off the en-
gine.
Locator lighting on/off
With the locator lighting feature activated
and the exterior lamp switch in
position* (
page 391), the following
lamps will switch on during darkness when
the vehicle is unlocked from the outside:


Parking lamps


Tail lamps


License plate lamps


Front fog lamps


Door entry lamps in the mirror


Side marker lamps
The locator lighting switches off when the
driver’s door is opened.
If you do not open a door after unlocking
the vehicle with the SmartKey, the lamps
will switch off automatically after approxi-
mately 40 seconds.

Select “Vehicle”.
The main area is active.

Selecting “Locator Lighting” func-
tion: Slide omp or rotate ymz.

Confirming selection: Press n.

Switching locator lighting on or off:
Press n.
or

Select “Vehicle”
“Vehicle”
“Loca-
tor Lighting”.
A checkmark appears when the locator
lighting is switched on.
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The components and operating principles of
COMAND can be found on (
page 83).


264 Control systemsCOMAND vehicle menuActivating easy-entry/exit feature
Use this function to activate and deacti-
vate the easy-entry/exit feature
(page 373).
The following settings are available for the
easy-entry/exit feature:

Select “Vehicle”.
The main area is active.

Selecting “Easy Entry/Exit Feature”
menu: Slide omp or rotate ymz.

Confirming selection: Press n.
or

Select “Vehicle”
“Vehicle”
“Easy
Entry/Exit Feature”.
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The components and operating principles of
COMAND can be found on (
page 83).
OFF
The easy-entry/exit
feature is deactivated.
Steering Column
& Seat
Both the steering col-
umn and the driver’s
seat are moved.
Warning!
G
You must make sure no one can become
trapped or injured by the moving steering
wheel and driver’s seat when the easy-en-
try/exit feature is activated.
To stop seat/steering wheel movement, do
one of the following:

Press seat adjustment switch
(page 369).


Move steering wheel adjustment stalk
(page 379).


Press one of the memory position but-
tons or the memory button M
(page 386).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.

352 Controls in detailLocking and unlockingSmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key.
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,
when set to factory settings (
page 354):


the doors


the trunk


the fuel filler flap
SmartKey with remote control1‹ Lock button
2ŠOpening button for trunk
(
page 500)
3Mechanical key locking tab
4ŒUnlock button
5Battery check lamp
6ÂPanic button (
page 64)
!
To prevent possible malfunction, avoid ex-
posing the SmartKey to high levels of electro-
magnetic radiation.
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. A child’s
unsupervised access to a vehicle could
result in an accident and/or serious
personal injury.Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
or trunk lid opening when closing a door or
the trunk. Be especially careful when small
children are around.
Before closing doors, make sure there is no
possibility of someone getting caught in a
door during closing.

353 Controls in detail
Locking and unlocking
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When you open a door, the side windows on
that side lowers slightly. Once you close the
door, the window moves up again.
!
The side windows will not open or close if
the battery is discharged or the windows are cov-
ered with ice. As a result, you may no longer be
able to properly close the door. Do not attempt
to force the door shut. Doing so may damage the
door or the side window. Correct the condition
that prevents the windows from operating before
attempting to close the door.
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USA 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 interfer-
ence, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
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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
received, 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.
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You can also open and close the side
windows and tilt/sliding sunroof using the
SmartKey, see “Summer opening feature”
(
page 404) and see “Convenience closing fea-
ture” (
page 404).
!
If you cannot lock or unlock the vehicle with
the SmartKey, then either the batteries in the
SmartKey are discharged, the SmartKey is mal-
functioning or the vehicle batteries are drained.


Check the batteries in the SmartKey and re-
place them if necessary (
page 686).


Use the mechanical key to unlock the driv-
er’s door (
page 684) and trunk
(
page 685).


Use the mechanical key to lock the driver’s
door (
page 685) and the trunk
(
page 505).


Have the vehicle batteries and their connec-
tions checked (
page 702).
If the SmartKey is malfunctioning, contact
Roadside Assistance or an authorized
Mercedes-Benz Center.

354 Controls in detailLocking and unlockingFactory setting
Global unlocking: Press buttonŒ.

All turn signal lamps flash once.


An acoustic signal sounds once.


The locking knobs in the doors
move up.


The anti-theft alarm system is dis-
armed.The vehicle will lock again automatically
and rearm the anti-theft alarm system
within approximately 40 seconds of un-
locking if:


neither a door nor the trunk is opened


the SmartKey is not inserted in the
starter switch


the central locking/unlocking switch is
not activated

Global locking: Press button‹.
With the trunk and both doors closed:

All turn signal lamps flash three
times.


An acoustic signal sounds three
times.


The locking knobs in the doors
move down.


The anti-theft alarm system is
armed.
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When unlocking or locking the vehicle with
the SmartKey an acoustic signal sounds. The
acoustic signal is activated at the factory. If you
wish to deactivate the feature, or adjust its signal
volume, contact an authorized Mercedes-Benz
Center.