2008 MERCEDES-BENZ CL-Class Comand Manual

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
i
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.
i
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.
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
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.
i
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.
i
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.

355 Controls in detail
Locking and unlocking
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that press-
ing buttonŒ only unlocks the driver’s
door and the fuel filler flap.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds un-
til battery check lamp5 (
page 352)
flashes twice.
The SmartKey will then function as fol-
lows:

Unlocking driver’s door and fuel fill-
er flap: Press buttonΠonce.

All turn signal lamps flash once.


An acoustic signal sounds once.


The locking knob in the driver’s
door moves up.


The anti-theft alarm system is dis-
armed.

Global unlocking: Press buttonŒ
twice.

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.

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.

Restoring to factory setting: Press
and hold buttonsŒ and‹ si-
multaneously for about 5 seconds until
battery check lamp5 (
page 352)
flashes twice.

356 Controls in detailLocking and unlockingSmartKey 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 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 an outside
door handle.
With the KEYLESS-GO function, you can
lock and unlock the vehicle without using
the remote control buttons on the
SmartKey and start the engine without in-
serting the SmartKey in the starter switch.If the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks:


the doors


the trunk


the fuel filler flap
SmartKey with KEYLESS-GO1‹ Lock button
2ŠOpening button for trunk
(
page 500)
3Locking tab for mechanical key
4ΠUnlock button
5Battery check lamp
6ÂPanic button (
page 64)
!
To prevent possible malfunction, avoid ex-
posing the SmartKey with KEYLESS-GO to high
levels of electromagnetic radiation.
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. A child’s unsupervised ac-
cess to a vehicle could result in an accident
and/or serious personal injury.
Children could start the vehicle with a valid
SmartKey with KEYLESS-GO left in the
vehicle or with the KEYLESS-GO button on
the starter switch, or could release the
electronic parking brake, thereby putting
themselves and others in danger. Switch off
the engine and take the SmartKey with
KEYLESS-GO with you even if you are only
leaving the vehicle for a short while.

357 Controls in detail
Locking and unlocking
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.i
When you open a door, the side window 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.
i
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.
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
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.
i
You can also open and close the side win-
dows and tilt/sliding sunroof using the
SmartKey with KEYLESS-GO, see “Summer
opening feature” (
page 404) and see “Conve-
nience closing feature” (
page 404).
!
If you cannot lock or unlock the vehicle with
the SmartKey with KEYLESS-GO, then either the
batteries in the SmartKey with KEYLESS-GO are
discharged, the SmartKey with KEYLESS-GO is
malfunctioning or the vehicle batteries are
drained.


Check the batteries in the SmartKey with
KEYLESS-GO and replace 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 with KEYLESS-GO is malfunc-
tioning, contact Roadside Assistance or an au-
thorized Mercedes-Benz Center.

358 Controls in detailLocking and unlockingImportant notes on using KEYLESS-GO

You can also use the SmartKey with
KEYLESS-GO like a normal SmartKey
(page 352).
The starter switch is located under the
KEYLESS-GO button. Pull the
KEYLESS-GO button out in order to ac-
cess the starter switch.


You can combine KEYLESS-GO func-
tions with normal SmartKey functions
(e.g. unlocking with KEYLESS-GO and
locking with button ‹).


Always carry the SmartKey with
KEYLESS-GO with you.


Never store the SmartKey with
KEYLESS-GO together with:

Electronic items such as a mobile
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 lid.


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.


In order to start the engine with the
SmartKey with KEYLESS-GO:

The SmartKey with KEYLESS-GO
must be located in the vehicle.


The KEYLESS-GO start/stop button
must be inserted in the starter
switch (
page 366).


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)

when pressing the KEYLESS-GO
start/stop button or trying to lock
the vehicle with the outside door
handle the message
“Key Not Detected” appears in the
multifunction display


with the engine running, the mes-
sage “Key Not Detected” appears in
the multifunction display while driv-
ing off

359 Controls in detail
Locking and unlocking
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, you
can turn it off again with:

the KEYLESS-GO start/stop button


the SmartKey with KEYLESS-GO in-
serted in the starter switch, when
the automatic transmission is in
park 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
appears 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 message “Key Detected In
Vehicle” appears in the multifunction
display. The vehicle will not be locked.Factory setting
1Outside door handle
i
When unlocking or locking the vehicle with
the SmartKey with KEYLESS-GO an acoustic sig-
nal 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.