2007 MERCEDES-BENZ C230 lock

95 Controls in detail
Locking and unlocking
Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds un-
til Battery check lamp5 (
page 92)
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 buttonŠ until trunk lid
unlocks and begins to open.
The trunk can also be opened from its
inside in an emergency, see “Trunk emer-
gency release” (
page 98).
Checking the batteries
Press button‹ orŒ.
Battery check lamp (
page 92) comes
on briefly to indicate that the SmartKey
batteries are in order.
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.
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.
iIf the trunk does not open, it is still locked
separately (
page 99).
!If the battery check lamp does not come on
briefly during check, then the SmartKey batter-
ies are discharged.
Replace the batteries (
page 366).
You can obtain the required batteries at any
authorized Mercedes-Benz Center.
iIf the batteries are checked within signal
range of the vehicle, pressing the‹ orŒ
button will lock or unlock the vehicle
accordingly.

96 Controls in detail
Locking and unlocking
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 handleFront 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
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.
iIf the vehicle has previously been locked
with the SmartKey, opening a door from the
inside will trigger the anti-theft alarm system*.
To cancel the alarm, do one of the following:

Insert the SmartKey in the starter switch.

Press buttonŒ or‹ on the
SmartKey.
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
Switch off lights
appears in the multifunction display.
Switch off the headlamps.
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.

97 Controls in detail
Locking and unlocking
Opening the trunk from the outside
1Handle
Press and hold button Š on the
SmartKey until trunk unlocks and be-
gins to open.
or
Pull on handle1.
The vehicle must be unlocked.Opening the trunk from the inside
1Remote trunk opening switch
Press remote trunk opening switch1
until the trunk begins to open.
The trunk opens. The indicator lamp in
remote trunk opening switch1 comes
on and remains lit until the trunk is
closed.
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.
iIf the trunk does not open, it is still locked
separately (
page 99).
iThe trunk can also be opened from its inside
in an emergency, see “Trunk emergency re-
lease” (
page 98).
iIf the trunk does not open, it is still locked
separately (
page 99).
iThe trunk can also be opened be opened us-
ing buttonŠ on the SmartKey or from its in-
side in an emergency, see “Trunk emergency
release” (
page 98).
Warning!G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk.


98 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.Illumination of the emergency release
button:

The button flashes 30 minutes after
opening the trunk.

The button flashes 60 minutes after
closing the trunk.
Be especially 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. A child’s
unsupervised access to a vehicle could
result in 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 automatically after
closing it. The turn signals will flash three times
to confirm locking.
!The trunk lid swings open upwards
automatically.
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 dis-
charged or disconnected.
iIf the vehicle has previously been locked
with the SmartKey, opening the trunk from the
inside using the emergency 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.


99 Controls in detail
Locking and unlocking
Valet locking
The lock is located next to the handle
above the rear license plate recess.
1Neutral position
2Locked
Close the trunk (page 97).
Pull the mechanical key out of the
SmartKey (
page 361).
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 96).
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-
ting automatic locking” (
page 143).
iTo deny any unauthorized person access to
the trunk, lock it separately with the mechanical
key. Leave only the SmartKey less its mechani-
cal key with the vehicle.
iYou can only cancel the separate trunk lock-
ing mode by means of the mechanical key.
iThe doors unlock automatically after an ac-
cident 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

100 Controls in detail
Locking and unlocking
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.The switches are located in the center
console.
1Central locking switch
2Central unlocking switchLocking
Press central locking switch1.
If all doors are closed, the vehicle
locks.
Unlocking
Press central unlocking switch2.
The vehicle unlocks.
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.
iYou can open a locked door from the inside.
Open door only when conditions are safe to do
so.
If the vehicle was previously centrally locked us-
ing the SmartKey, it will not unlock using the cen-
tral unlocking switch2.
If the vehicle was previously locked with the cen-
tral locking switch1

while in the selective remote control mode,
only the door opened from the inside is un-
locked.

while in the global remote control mode, the
complete vehicle is unlocked when a door is
opened from the inside.

103 Controls in detail
Seats
Folding head restraints back with
switch in the center console
1Switch for rear seat head restraints
Start the engine (page 46).
Press switch1.
The rear seat head restraints will fold
backward.Placing head restraints upright
Pull the head restraint forward until it
locks into position.Head restraint tilt (rear outer seats)
Two different head restraint angle
positions are available:
Press the release button (page 102)
and tilt the head restraint to the
desired position.
Warning!G
Make sure the head restraints engage when
placing them upright. Otherwise their
protective function cannot be assured.
iAdjust the head restraint in such a way that
it is as close to the head as possible.

116 Controls in detail
Lighting
Interior lighting
The controls are located in the overhead
control panel.
1Rear interior lighting on/off
2Right front reading lamp on/off
3Rocker switch for automatic control
system
4Left front reading lamp on/offDeactivating automatic control
Press the= symbol on rocker
switch3.
The interior lighting remains switched
off in darkness, even when you

unlock the vehicle

remove the SmartKey from the
starter switch

open a door

open the trunkActivating automatic control
Press rocker switch3 to center
position.
The interior lighting switch on in
darkness, when you

unlock the vehicle

remove the SmartKey from the
starter switch

open a door

open the trunk
The interior lighting switches off after ap-
proximately 10 seconds, see “Setting inte-
rior lighting delayed shut-off”
(
page 142).
!An interior lamp switched on manually does
not go out automatically.
Leaving an interior lamp switch in the ON posi-
tion for extended periods of time with the engine
turned off could result in a discharged battery.
iThe interior lighting is factory-set to auto-
matic mode.
iIf a door remains open, the interior lighting
switches off automatically after approximately
5minutes.