2007 MERCEDES-BENZ CLK550 COUPE keyless

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).

110 Controls in detail
Locking and unlocking
Opening the trunk from the inside
Vehicles without trunk opening/closing
system*
1Remote trunk opening switch
Vehicles with trunk opening/closing
system*
1Remote trunk opening switch*
2Remote trunk closing switch*
Press remote trunk opening switch1
until the trunk begins to open.
The trunk opens. The indicator lamp
comes on and remains lit until the
trunk is closed.
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
switch1 or 2.
iThe trunk can also be opened using
buttonŠ on the SmartKey or SmartKey with
KEYLESS-GO* or from its inside in an emergen-
cy, see “Trunk emergency release”
(
page 116).

111 Controls in detail
Locking and unlocking
Closing the trunk
Closing the trunk from the inside
automatically*
In vehicles with trunk opening/closing sys-
tem* you can close the trunk from the in-
side using the remote trunk closing*
switch.
Press the remote trunk closing*
switch2 (
page 110) until the indi-
cator lamp in the switch goes out and
the trunk lid is closed.
To interrupt the closing procedure:
Release remote trunk closing*
switch2.If the trunk lid comes into contact with an
object while closing (e.g. luggage that has
been piled too high), in the sequence, the
upper motion the closing procedure is
stopped and the trunk reopens slightly.
iYou can also close the trunk by hand
(
page 112).
Warning!G
Maintain sight of trunk area while operating
the door mounted remote trunk closing*
switch. Monitor the closing procedure care-
fully to ensure that no one is in danger of be-
ing injured.
To interrupt the closing procedure, release
the door mounted remote trunk closing
switch.
Even with the SmartKey or the SmartKey
with KEYLESS-GO* removed from the start-
er switch or the SmartKey with
KEYLESS-GO* removed from the vehicle,
the remote trunk opening/closing* switch
can be operated. Therefore, do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Unsuper-
vised 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.

112 Controls in detail
Locking and unlocking
Closing the trunk from the outside
manually
1Handle
2Handles
Lower trunk lid by pulling firmly on
handle1 or handles2.
Close trunk from the outside with
hands placed flat on the trunk lid.
Warning!G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
lid opening when closing the trunk. Be espe-
cially careful when small children are
around.
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended 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
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.
Vehicles with KEYLESS-GO*:
To prevent a possible inadvertent lockout, the
trunk lid will open automatically if a SmartKey
with KEYLESS-GO* is recognized inside the vehi-
cle or in the trunk.
iIf the vehicle was previously centrally
locked, the trunk will lock automatically after
closing it (
page 111). All turn signal lamps
flash three times, and an acoustic signal sounds
three times, to confirm locking.

113 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 112).
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 ac-
cident 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 automatically after
closing it (
page 111). All turn signal lamps
flash three times, and an acoustic signal sounds
three times, to confirm locking.