2004 MERCEDES-BENZ S430 lock

94 Controls in detailLocking and unlockingFactory setting
Global unlocking
Grasp the door handle.
The vehicle will lock again automatically
within approximately 40 seconds of un-
locking if neither door nor trunk is opened.
Global locking

Press lock button at door handle
(page 55) or trunk (
page 95).Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you, grasp the driv-
er’s door handle only the driver’s door and
the fuel filler flap unlocks.

Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp5 flashes
twice.
The SmartKey with KEYLESS-GO will
then function as follows:
Unlocking the driver’s door
Grasp the driver’s door handle.
Global unlocking

Grasp the door handle on the pas-
senger side.
Global locking

Press lock button at door handle or
trunk lid.Restoring to factory setting

Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp5 flashes
twice.
iThe vehicle could inadvertently be un-
locked if the SmartKey with
KEYLESS-GO is within 3 ft. (1 m) of the
vehicle and:

the door handle is splashed with
water, or


you attempt to clean the door
handle
!If you can not lock or unlock the vehicle
with the SmartKey with KEYLESS-GO,
then the battery in the SmartKey is dis-
charged, the SmartKey with
KEYLESS-GO is malfunctioning or the
vehicle battery is drained.

Check the battery in the SmartKey
with KEYLESS-GO and replace them
if necessary (
page 349).


Use the mechanical key to unlock
the doors (
page 348) and the
trunk lid (if applicable)
(
page 349) as required.


Have the vehicle battery and the
battery connections checked.

95 Controls in detail
Locking and unlocking
Locking the vehicle
1Vehicle lock button

Press vehicle lock button1.
or

Press the lock button at the outside
door handle (
page 55).
or

Vehicles with trunk lid opening/closing
system*, press the KEYLESS-GO lock-
ing/closing switch at the trunk
(page 103).
The vehicle locks. The turn signals
flashes three times to confirm locking.Checking the battery

Press button‹ orŒ.
Battery check lamp5 comes on brief-
ly to indicate that the SmartKey battery
is in order.


Use the mechanical key to lock the
doors (
page 348) and the trunk
lid (
page 349) as required.
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Center.
!If battery check lamp5 does not
come on briefly during check, the
SmartKey battery is discharged.
Replace the battery (
page 349).
You can obtain the required battery at
any authorized Mercedes-Benz Center.
iIf the battery is ckecked within signal
range of the vehicle, pressing the
button‹ orŒ will lock or unlock
the vehicle accordingly.

96 Controls in detailLocking and unlockingLoss of the SmartKey with KEYLESS-GO
If you lose your SmartKey with
KEYLESS-GO or mechanical key, you
should do the following:
Have the SmartKey with KEYLESS-GO
deactivated by an authorized
Mercedes-Benz Center.

Report the loss of the SmartKey with
KEYLESS-GO or the mechanical key im-
mediately to your car insurance com-
pany.

Have the mechanical lock replaced if
necessary.
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 in-
side. Open door only when conditions are
safe to do so.
1Locking knob
2Inside door handle
Pull on door handle2.
If door was locked, locking knob1 will
move up.
iIf the vehicle has previously been
locked from the outside with the
SmartKey, opening a door from the in-
side will trigger the anti-theft alarm sys-
tem.
To cancel the alarm, do one of the fol-
lowing:
With the SmartKey

Insert the SmartKey in the starter
switch.


Press button Œ or ‹ on the
SmartKey.
With KEYLESS-GO*


Grasp the outside door handle.


Press the KEYLESS-GO* start/stop
button.

97 Controls in detail
Locking and unlocking
Opening the trunk lid from the outside
A minimum height clearance of 6 ft.
(1.85 m) is required to open the trunk lid.
The trunk lid lock button is located in the
rear license plate recess.
1Trunk lid lock button
Press the outer left-hand side of trunk
lid button1.
The trunk lid opens.The trunk can also be opened using the
SmartKey (
page 90) or from its inside in
an emergency, see “Trunk lid emergency
release” (
page 104).
Opening the trunk lid from the inside
You can open the trunk from the inside if
the vehicle is stationary.
A minimum height clearance of 6 ft.
(1.85 m) is required to open the trunk lid.
The switch is located on the driver’s door.
1Indicator lamp
2Remote trunk lid release switch
Pull remote trunk lid switch2 until
trunk begins to open.
The trunk lid opens. The indicator
lamp1 comes on and remains lit until
the trunk is closed.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
Vehicles with trunk lid opening/closing
system*: To stop the opening proce-
dure, press buttonŠ. The trunk lid
stops moving.iIf the trunk lid does not open, it is still
locked separately (if applicable)
(page 349).
Vehicles without KEYLESS-GO*: The
vehicle must be unlocked (
page 88).
Vehicles with KEYLESS-GO*: If the ve-
hicle was previously centrally locked,
the trunk lid will lock automatically af-
ter closing it (
page 98). The turn sig-
nals will flash three times to confirm
locking.

98 Controls in detailLocking and unlockingThe trunk can also be opened using the
SmartKey (
page 90) or from its inside in
an emergency, see “Trunk lid emergency
release” (
page 104).
Closing the trunk lid
1Handle
Lower trunk lid by pulling firmly on
handle1.
2Extending handle

Push the trunk lid down gently at the
extending handle2 until it engages
into the lock.
The extending handle2 is retracted
after a few seconds.
The power closing assist automatically en-
sures that the lid is pulled closed com-
pletely (
page 106).
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.iIf the trunk lid does not open, it is still
locked separately (if applicable)
(page 349).
If the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed (
page 98). The
turn signals will flash three times to
confirm locking.
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.

99 Controls in detail
Locking and unlocking
Trunk lid opening/closing system*
You can open or close the trunk lid from
the inside if the vehicle is stationary.
Opening from the inside
A minimum height clearance of 6 ft.
(1.85 m) is required to open the trunk lid.
The switch for opening and closing the
trunk is located on the driver’s door.
1Indicator lamp
2Remote trunk lid switch

Pull remote trunk lid switch2 until
trunk begins to open.
The trunk lid opens. The indicator
lamp1 comes and remains lit until
the trunk is closed.
Warning!
G
Only drive with the trunk closed as, among
other dangers such as visibility blockage,
exhaust fumes may enter the vehicle interi-
or.iDo not place the SmartKey in the open
trunk. You may lock yourself out.
Vehicles with KEYLESS-GO*: To pre-
vent a possible inadvertent lockout, the
trunk lid will open automatically if a
SmartKey with KEYLESS-GO is recog-
nized inside the vehicle or in the trunk.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
To stop the opening procedure, press
or pull the remote trunk lid switch.iIf the trunk lid does not open, it is still
locked separately (if applicable)
(page 349).
If the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed (
page 98). The
turn signals will flash three times to
confirm locking.

100 Controls in detailLocking and unlockingThe trunk can also be opened using the
SmartKey (
page 90) or from its inside in
an emergency, see “Trunk lid emergency
release” (
page 104).
Limiting opening height of trunk lid
The trunk lid opening height can be limited
when transporting goods on a roof rack
(e.g. presence of an MB sport luggage con-
tainer*). When activated, the trunk lid
opens to approximately the height of the
roof edge.
You can activate the limiting opening
height of trunk lid using the control system
(
page 159).Closing from the inside

Press remote trunk lid switch2
(page 99) until the indicator lamp1
goes out and trunk lid is closed.
To interrupt the closing procedure:

Release remote trunk lid switch2.
If the trunk lid comes into contact with an
object while closing (e.g. luggage that has
been piled too high) in the upper motion
sequence, the closing procedure is
stopped and the trunk reopens slightly.Warning!
G
Maintain sight of trunk area while operating
door mounted switch. Monitor the closing
procedure carefully to ensure that no one is
in danger of being injured.
To interrupt the closing procedure, release
the door mounted remote trunk lid switch.
Even with the SmartKey removed from the
starter switch or the SmartKey with
KEYLESS-GO* removed from the vehicle,
the remote trunk lid switch can be operated.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal injury.

101 Controls in detail
Locking and unlocking
Closing the trunk lid from the outside
(vehicles without KEYLESS-GO*)
1Trunk lid closing switch
Press trunk lid closing switch1 brief-
ly.
The trunk lid 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.
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,
press the remote trunk lid switch (on the
driver’s door), the trunk lid closing
switch1, or the Š button on the
SmartKey.
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
SmartKey with you and lock your vehicle. Do
not leave children unattended in the vehicle,
or with access to an unlocked vehicle. Unsu-
pervised 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 visibility blockage,
exhaust fumes may enter the vehicle interi-
or.iDo not place the SmartKey in the open
trunk. You may lock yourself out.