2006 MERCEDES-BENZ C230 Open trunk

98 Controls in detailIn the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed on your vehi-
cle. If you are already familiar with the
basic functions of your vehicle, this section
will be of particular interest to you.
To quickly familiarize yourself with the ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are giv-
en at the beginning of each segment.
For more information on locking and
unlocking, see “Getting started”
(page 32) and (
page 57).
Locking and unlocking
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key.
The locking tabs for the mechanical key
portion of the two SmartKeys are a
different color to help distinguish each
SmartKey unit.
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:

the doors


the trunk


the fuel filler flap
SmartKey with remote control1‹ Lock button
2Š Opening button for trunk
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button* (
page 86)
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button6.

100 Controls in detailLocking and unlockingFactory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system* is
disarmed.
The vehicle will lock again automatically
and reactivate the anti-theft alarm
system* within approximately 40 seconds
of unlocking if:


neither a door nor the trunk is opened


the SmartKey is not inserted in the
starter switch


the central locking switch is not
activatedGlobal locking

Press button‹.
With the hood, trunk and all doors
closed, all turn signal lamps flash three
times. The locking knobs in the doors
move down. The anti-theft alarm sys-
tem* is armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressingŒ only unlocks the driver’s
door and the fuel filler flap.

Press and hold buttonsŒ and‹
simultaneously for about 5 seconds.
Battery check lamp5 flashes twice.The SmartKey will then function as follows:
Unlocking driver’s door and fuel filler
flap

Press buttonΠonce.
All turn signal lamps flash once. The
locking knob in the driver’s door moves
up. The anti-theft alarm system* is
disarmed.
Global unlocking

Press buttonΠtwice.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system* is
disarmed.

102 Controls in detailLocking and unlockingUnlocking 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 buttonŠ until trunk lid
unlocks and begins to open.Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:

Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.

Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.

If necessary, have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
Opening the doors from the inside
You can open a locked door from the
inside. Open door only when conditions
are safe to do so.
1Locking knob
2Inside door handle
!The trunk lid swings open upwards
automatically. Always make sure there
is sufficient overhead clearance.iIf the trunk does not open, it is still
locked separately (
page 106).
iIf the vehicle has previously been
locked with the SmartKey, opening a
door from the inside will trigger the
anti-theft alarm system*.

103 Controls in detail
Locking and unlocking
Front doors
Pull on door handle2 on the
respective front door to open door.
If door was locked, locking knob1 will
move up.
Rear doors

Pull up locking knob1 on the
respective rear door to unlock door.

Pull on door handle2 on the
respective rear door to open door.
Opening the trunk
Opening the trunk from the outside
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
The handle is located above the rear
license plate recess.
1HandleThe vehicle must be unlocked.

Pull on handle1.
The trunk opens.
The trunk can also be opened using
buttonŠ on the SmartKey or from its
inside in an emergency, see “Trunk emer-
gency release” (
page 105). To cancel the alarm, do one of the
following:


Press buttonŒ or‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.
!The trunk lid swings open upwards
automatically. Always make sure there
is sufficient overhead clearance.iIf the trunk does not open, it is still
locked separately (
page 106).

104 Controls in detailLocking and unlockingOpening the trunk from the inside
You can open the trunk from the inside if
the vehicle is stationary.
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
The remote trunk opening switch is locat-
ed on the driver’s door.
1Remote trunk opening switch with indi-
cator lamp

Press switch1 until the trunk begins
to open.
The indicator lamp in the switch
remains lit as long as the trunk is open.
The trunk can also be opened using
buttonŠ on the SmartKey or from its
inside in an emergency, see “Trunk emer-
gency release” (
page 105).
Closing the trunk
1Handle
2Handles
Lower trunk lid by pulling firmly on
handle1 or handles2.

Close trunk lid with hands placed flat
on the trunk lid.
!The trunk lid swings open upwards
automatically. Always make sure there
is sufficient overhead clearance.iIf the trunk does not open, it is still
locked separately (
page 106).

105 Controls in detail
Locking and unlocking
Trunk emergency release
With the emergency release button, the
trunk can be opened from inside the trunk.
The emergency release button is located
on the inside of the trunk lid.
1Emergency release button
Briefly press emergency release
button1.
The trunk unlocks and the trunk lid
opens.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk. Be espe-
cially careful when small children are
around.
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. 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 a 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 automatical-
ly after closing it. The turn signals will
flash three times to confirm locking.
!The trunk lid swings open upwards
automatically.

106 Controls in detailLocking and unlockingIllumination of the emergency release
button:

The button flashes 30 minutes after
opening the trunk.


The button flashes 60 minutes after
closing the trunk.
Valet locking
The lock is located next to the handle
above the rear license plate recess.
1Neutral position
2Locked
Close the trunk (
page 104).
iThe emergency release button unlocks
and opens the trunk while the vehicle is
standing still or in motion.iThe emergency release button does
not open the trunk lid if the vehicle
battery is discharged or disconnected.
iIf the vehicle has previously been
locked with the SmartKey, opening the
trunk from the inside using the emer-
gency release button will trigger the
anti-theft alarm system*.
To cancel the alarm, do one of the
following:

Press buttonŒ or‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.
iTo deny any unauthorized person ac-
cess to the trunk, lock it separately
with the mechanical key. Leave only
the SmartKey less its mechanical key
with the vehicle.

107 Controls in detail
Locking and unlocking

Pull the mechanical key out of the
SmartKey (
page 389).

Insert the mechanical key in the trunk
lid lock.

Turn the mechanical key clockwise to
position2 and remove the mechani-
cal key in that position to lock the
trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.

Insert the mechanical key in the trunk
lid lock.

Turn the mechanical key counterclock-
wise to neutral position1 and remove
the mechanical key in that position to
unlock the trunk.
You can now open the trunk
(page 103).
Automatic central locking
The doors and the trunk automatically lock
when the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or more.
You can open a locked door from the
inside. Open door only when conditions
are safe to do so.
You can deactivate the automatic locking
mode using the control system, see “Set
automatic locking” (
page 152).
Locking and unlocking from the inside
You can lock or unlock the doors and the
trunk from inside using the central locking
or unlocking switch. This can be useful, for
example, if you want to lock the vehicle
before starting to drive.
You cannot lock or unlock the fuel filler flap
with the central locking or unlocking
switch.
iYou can only cancel the separate trunk
locking mode by means of the
mechanical key.
iThe doors unlock automatically after an
accident if the force of the impact
exceeds a preset threshold.
To prevent the vehicle door locks from
locking, deactivate the automatic
central locking when the vehicle

is pushed or towed


is on a test stand
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. Unsuper-
vised use of vehicle equipment may cause
an accident and/or serious personal injury.