MERCEDES-BENZ CLK350 COUPE 2007 C209 Owner's Manual

100 Controls in detail
Locking and unlocking
Factory 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
unlocking if:

neither door nor trunk is opened

the SmartKey is not inserted in the
starter switch

the central locking 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.
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 98)
flashes twice.
The SmartKey will then function as fol-
lows:
Unlocking driver’s door and fuel filler
flap
Press buttonΠonce.

All turn signal lamps flash once.

An acoustic signal sounds once.

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

The anti-theft alarm system is dis-
armed.
Global unlocking
Press buttonΠtwice.

All turn signal lamps flash once.

An acoustic signal sounds once.
iWhen 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.

101 Controls in detail
Locking and unlocking

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‹
simultaneously for about 5 seconds un-
til battery check lamp5 (
page 98)
flashes twice.Unlocking and opening the trunk
You can unlock and open the trunk
separately.
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
Press and hold button Š until trunk
unlocks and begins to open.
The trunk can also be opened from its
inside in an emergency, see “Trunk emer-
gency release” (
page 116).
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 with
KEYLESS-GO are a different color to help
distinguish each SmartKey with
KEYLESS-GO 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 an outside
door handle.
If the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks

the doors

the trunk

the fuel filler flap
!The trunk lid swings open upwards automat-
ically. Always make sure there is sufficient over-
head clearance.
Vehicles with trunk opening/closing system*: To
stop the opening procedure, press button Š.
The trunk lid stops moving.
iIf the trunk does not open, it is still locked
separately (
page 117).

102 Controls in detail
Locking and unlocking
SmartKey with KEYLESS-GO
1‹Lock button
2Š Opening button for trunk
(
page 107)
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button (
page 87)
!To prevent possible malfunction, avoid ex-
posing the SmartKey with KEYLESS-GO to high
levels of electromagnetic radiation.
iWhen the passenger outside door handle is
pulled, the vehicle is centrally unlocked.
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.
iWhen 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.
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 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.
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 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.

103 Controls in detail
Locking and unlocking
Important notes on using KEYLESS-GO*

You can also use the SmartKey with
KEYLESS-GO like a normal SmartKey
(
page 98).

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

Always carry the SmartKey with
KEYLESS-GO with you.

Never store the SmartKey with
KEYLESS-GO together with:

Electronic items such as a cellular
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 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).
iYou can also open and close the windows
(
page 245) and the tilt/sliding sunroof*
(
page 251) using the SmartKey with
KEYLESS-GO.
!If you can no longer lock or unlock the vehi-
cle with the SmartKey with KEYLESS-GO, then
the batteries in the SmartKey with KEYLESS-GO
are discharged, the SmartKey with KEYLESS-GO
is malfunctioning or the vehicle battery is
drained.

Check the batteries in the SmartKey with
KEYLESS-GO (
page 107) and replace
them if necessary (
page 404).

Use the mechanical key to unlock the driv-
er’s door (
page 399) and the trunk
(
page 400).

Use the mechanical key to lock the driver’s
door (
page 400) and the trunk
(
page 117).

Have the vehicle battery and the battery con-
nections checked (
page 421).
If the SmartKey with KEYLESS-GO is malfunc-
tioning, contact an authorized Mercedes-Benz
Center.

104 Controls in detail
Locking and unlocking

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

with the engine running, the
message:
Key not detected
appears 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 37), 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 message
Key detected in vehicle
will appear in the multifunction display.
The vehicle will not be locked.Factory setting
Global unlocking
Pull an outside door handle (SmartKey
with KEYLESS-GO must be near this
door).

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.
iWhen 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.
iIf the vehicle has been parked for a longer
period of time, you must pull an outside door
handle in order to activate the KEYLESS-GO
function.

105 Controls in detail
Locking and unlocking
The vehicle will lock again automatically
and rearm the anti-theft alarm system
within approximately 40 seconds of un-
locking if:

neither door nor trunk is opened.

the central locking switch is not
activated.
Global locking
Press the lock button on an outside
door handle (
page 62) or the trunk
lid (
page 106).
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.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you, pull the driver’s
door handle only the driver’s door and the
fuel filler flap unlocks.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds un-
til battery check lamp5 (
page 102)
flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:Unlocking driver’s door and fuel filler
flap
Pull the driver’s outside door handle.

All turn signal lamps flash once.

An acoustic signal sounds once.

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

The anti-theft alarm system is dis-
armed.
Global unlocking
Pull the outside door handle on the pas-
senger side.

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.
iThe vehicle could inadvertently be unlocked
if the SmartKey with KEYLESS-GO is
within 3 ft (1 m) of the vehicle and:

an outside door handle is splashed with wa-
ter, or

you attempt to clean an outside door handle.

106 Controls in detail
Locking and unlocking
Global locking
Press the lock button on an outside
door handle.
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‹
simultaneously for about 5 seconds un-
til Battery check lamp5 (
page 102)
flashes twice.Global locking using the lock button on
the trunk lid
Depending on vehicle production date your
vehicle may be equipped with the
KEYLESS-GO lock button on trunk lid.
1Lock button
Press lock button 1 on the trunk lid.
With the trunk and all doors closed, all
turn signal lamps flash three times. The
locking knobs in the doors move down.
The anti-theft alarm system is armed.
iYou can also lock the vehicle using the
KEYLESS-GO lock button on the trunk lid
(
page 106) or, vehicles with trunk open-
ing/closing system*, KEYLESS-GO lock-
ing/closing switch (
page 115).
iTo prevent a possible inadvertent lockout,
the trunk will open automatically if a SmartKey
with KEYLESS-GO* is recognized inside the vehi-
cle or in the trunk.iYou can also lock the vehicle using the lock
button on an outside door handle (
page 62) or,
vehicles with trunk opening/closing system*,
KEYLESS-GO locking/closing switch
(
page 115).

107 Controls in detail
Locking and unlocking
Unlocking and opening the trunk
You can unlock and open the trunk sepa-
rately.
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
Press and hold button Š until trunk
unlocks and begins to open.
The trunk can also be opened from its in-
side in an emergency, see “Trunk emer-
gency release” (
page 116).Checking the batteries in the SmartKey
or SmartKey with KEYLESS-GO*
Press button‹orŒ.
Battery check lamp (
page 98) or
(
page 102) comes on briefly to indi-
cate that the SmartKey or SmartKey
with KEYLESS-GO batteries are in or-
der.Loss of the SmartKey or SmartKey with
KEYLESS-GO*
If you lose your SmartKey, SmartKey with
KEYLESS-GO, or mechanical key, you
should do the following:
Have the SmartKey or SmartKey with
KEYLESS-GO deactivated by an autho-
rized Mercedes-Benz Center.
Report the loss of the SmartKey,
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.
!The trunk lid swings open upwards automat-
ically. Always make sure there is sufficient over-
head clearance.
Vehicles with trunk opening/closing system*: To
stop the opening procedure, press button Š.
The trunk lid stops moving.
iIf the trunk does not open, it is still locked
separately (
page 117).
!If battery check lamp does not come on
briefly during check, the SmartKey or SmartKey
with KEYLESS-GO batteries are discharged.
Replace the batteries (
page 404).
You can obtain the required batteries at any au-
thorized Mercedes-Benz Center.
iIf the batteries are checked within signal
range of the vehicle, pressing the‹orŒ
button will lock or unlock the vehicle according-
ly.

108 Controls in detail
Locking and unlocking
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 handlePull on door handle2.
If door was locked, locking knob1 will
move up.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*

Press the KEYLESS-GO* start/stop button
(
page 37).
The SmartKey with KEYLESS-GO* must be
inside the vehicle.

Pull an outside door handle.
The SmartKey with KEYLESS-GO* must be
within 3 ft (1 m) of the vehicle.
iIf you hear a warning signal you have forgot-
ten to switch off the headlamps before opening
the driver’s door.
In addition the message
Turn off lamps ap-
pears in the multifunction display. Vehicles with
KEYLESS-GO*, this message is only displayed
for approximately 1 second. It is then overwrit-
ten by the message,
Please do not forget
key
.
Switch off the headlamps.
iIf you open a door, the side windows on that
side of the vehicle will lower slightly. The win-
dows close again when you close the door.

109 Controls in detail
Locking and unlocking
Opening the trunk
You can open the trunk if the vehicle is sta-
tionary.
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.Opening the trunk from the outside
1Handle
Press and hold button Š on the
SmartKey or SmartKey with
KEYLESS-GO* until trunk unlocks and
begins to open.
or
Pull on handle1.
In vehicles without KEYLESS-GO*:
The vehicle must be unlocked.
Warning!G
Only drive with the trunk closed as, among
other dangers such as blocked visibility,
exhaust fumes may enter the vehicle
interior.
!The trunk lid swings open upwards automat-
ically. Always make sure there is sufficient over-
head clearance.
iIf the trunk does not open, it is still locked
separately (
page 117).
!Vehicles with trunk opening/closing sys-
tem*: To stop the opening procedure, press but-
ton Š on the SmartKey or SmartKey with
KEYLESS-GO*.
iThe trunk can also be opened from its inside
in an emergency, see “Trunk emergency re-
lease” (
page 116).