2003 MERCEDES-BENZ CLK320 CABRIOLET Owner's Manual

30 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Panic button
To activate press and hold button (1) for at least one
second. An audible alarm and blinking exterior lamps
will operate for approximately 3 minutes.
To deactivate press button (1) again, or insert electronic
key in steering lock.Note:
For operation in the 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 interference, and
(2) this device must accept any interference received,
including interference that may cause undesired
operation.
Any unauthorized modification to this device could void
to the user’s authority to operate the equipment.
Mechanical keys
The mechanical keys work only in the driver’s door,
trunk, and storage compartment locks.
Notes:
The mechanical key does not operate the central locking
system or antitheft alarm system.
The fuel filler flap cannot be locked or unlocked with
the mechanical key.
P80.35-2035-26
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31 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Doors
1Opening – pull handle
2Unlocking driver’s door
3Locking driver’s door
4Individual door from inside:
•Push lock button down to lock.
•Pull inside door handle to unlock.Important!
The mechanical key does not operate the central locking
system or antitheft alarm system.
When you lock the driver’s door with the mechanical
key, the door lock button should move down.
The passenger door must be locked with the door lock
button – the driver’s door can only be locked when it is
closed.
1
1 2 3

32 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
If the vehicle has previously been locked from the
outside, opening a door from the inside will trigger the
alarm. When opening a door while the central locking
system is in the:
•selective unlocking mode, only that individual door
is unlocked. The remaining door, the trunk and fuel
filler flap remain locked,
•global unlocking mode, both doors, the trunk and
fuel filler flap are unlocked.
Notes:
When opening a door, the door window lowers slightly.
After closing the door, the window closes again.
In case of a malfunction in the central locking system
the doors can be locked and unlocked individually.To lock, push down lock button and turn mechanical key
in driver’s door lock to position 3. In addition lock the
trunk.
To unlock, pull inside door handle and turn mechanical
key in driver’s door lock to position 2.
When unlocking the driver’s door with the mechanical
key, the exterior lamps will flash and the alarm will
sound.
To cancel the alarm, insert the electronic key in the
steering lock or press buttonŒ or‹ on the
electronic key.

33 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Central locking switch
1Locking
2Unlocking
The central locking switch is located in the center
console.
The doors and trunk can only be locked with the central
locking switch, if both doors are closed.
If the vehicle was previously locked with the central
locking switch, while in the selective remote control
mode, only the door opened from the inside is unlocked.If the vehicle was previously locked with the central
locking switch, while in the global remote control mode,
the complete vehicle is unlocked when a door is opened
from the inside.
Notes:
If the vehicle was previously locked with the remote
control, the doors and trunk cannot be unlocked with
the central locking switch.
If the vehicle has previously been locked from the
outside, opening a door with the inside door handle will
trigger the alarm. To cancel the alarm, insert the
electronic key in the steering lock or press buttonŒ
or‹ on the electronic key.
The fuel filler flap cannot be locked or unlocked with
the central locking switch.
Wa r n i n g !
When leaving the vehicle, always remove the
electronic key from the steering lock, and lock your
vehicle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may cause
an accident and/or serious personal injury.

34 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Automatic central locking
The central locking switch also operates the automatic
central locking.
With the automatic central locking system activated, the
doors and trunk are locked at vehicle speeds of approx.
9 mph (15 km/h) or more. The fuel filler flap remains
unlocked.
To a c ti va te :
With electronic key in steering lock position 2 hold
upper portion of switch (1) for a minimum of 5 seconds.
To d ea ct iva te:
With electronic key in steering lock position 2 hold
lower portion of switch (2) for a minimum of 5 seconds.
Notes:
If doors are unlocked with the central locking switch
after activating the automatic central locking, and
neither door is opened, then the doors remain unlocked
even at vehicle speeds of approx. 9 mph (15 km/h) or
more.If a door is opened from the inside at speeds of approx.
9 mph (15 km/h) or less with the automatic central
locking activated, the door will again be automatically
locked at speeds of approx. 9 mph (15 km/h) or more.
Important!
When towing the vehicle, or with the vehicle on a
dynamometer test stand, please, note the following:
With the automatic central locking activated and the
electronic key in steering lock position 2, the vehicle
doors will lock if the left front wheel as well as the right
rear wheel spin at vehicle speeds of approx. 9 mph
(15 km/h) or more.
To prevent the vehicle door locks from locking,
deactivate the automatic central locking.
Emergency unlocking in case of accident
The doors unlock automatically a short time after a
strong deceleration is detected, such as in a collision
(this is intended to aid rescue and exit).
Driving on rough roads may cause the vehicle to unlock.
If necessary, the vehicle can be locked again with the
central locking switch, see page 33.

35 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk
0Neutral position – push to open (arrow)
1UnlockingNotes:
The mechanical key does not operate the central locking
system or antitheft alarm system.
When unlocking the trunk with the mechanical key, the
exterior lamps will flash and the alarm will sound.
To cancel the alarm, insert the electronic key in the
steering lock or press buttonŒ or‹ on the
electronic key.
In case of a malfunction in the central locking system
the trunk can be unlocked individually.
To unlock and open the trunk lid, turn mechanical key
to position 1, hold and push to open.
If the fuel filler flap cannot be opened, see page 296.
Important!
Do not place mechanical key inside trunk, since trunk is
locked when the lid is closed if the vehicle has been
previously centrally locked.
To prevent damage to the trunk lid and the soft top
compartment cover, do not open the trunk lid while the
soft top is being raised or lowered.

36 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Lower trunk lid using handle (1) and close it with hands
placed flat on trunk lid. Please remember to keep your
fingers out of the space between the lid and the vehicle.Trunk lamp
If the trunk is to remain open for a long period of time,
the trunk lamp can be switched off by pulling out the
plunger in the switch (arrow). This prevents the vehicle
battery from being discharged.
When the trunk lid is closed, the switch will reset and
turn on the lamp next time the lid is opened.
P88.50-2009-26
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P82.20-2029-26

37 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk lid release switch
The switch is located on the center console.
A minimum height clearance of 5.9 ft. (1.8 m) is
required to open the trunk lid.
To open the trunk, the vehicle must be at standstill. Pull
up on switch until trunk lid is open.
The indicator lamp in the switch remains on with trunk
lid open.Notes:
The trunk can also be opened by using the electronic
key. Press Š button.
The trunk lid cannot be opened by the switch or the
remote control when previously locked separately with
the mechanical key. To open, see page 35.
The trunk lid cannot be opened with the trunk lid
release switch when the vehicle was previously locked
with the central locking switch. To unlock vehicle with
the central locking switch, see page 33.