warning MERCEDES-BENZ S CLASS 2005 Workshop Manual

105 Controls in detail
Locking and unlocking
Limiting opening height of trunk lid*
Vehicles with trunk lid opening/closing
system*:
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. 
Activate the limiting opening height of
trunk lid using the control system
(page 169).
Closing the trunk
Closing the trunk from the inside auto-
matically*
In vehicles with trunk lid opening/closing
system* you can close the trunk from the
inside using the remote trunk lid switch.
Press remote trunk lid switch
(page 104) until the indicator lamp in
the switch goes out and trunk lid is
closed.
To interrupt the closing procedure:

Release remote trunk lid switch.iYou can also close the trunk by hand.
Warning!
G
Maintain sight of trunk area while operating
door mounted switch. Monitor the closing
procedure carefully to make sure 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 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 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.


106 Controls in detailLocking and unlockingIf 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.Closing the trunk from the outside
manually
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 112).
Warning!
G
Only drive with the trunk closed as, among
other dangers such as visibility blockage,
exhaust fumes may enter the vehicle interi-
or.


107 Controls in detail
Locking and unlocking
Closing the trunk from the outside
(vehicles without KEYLESS-GO*)
In vehicles with trunk lid opening/closing
system* you can close the trunk separate-
ly from the outside using the trunk lid clos-
ing switch.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
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. Unsupervised use of vehi-
cle 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.
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.iIf the vehicle was previously centrally
locked, the trunk will lock automatical-
ly after closing it. The turn signals flash
three times to confirm locking.
iYou can also close the trunk by hand.


108 Controls in detailLocking and unlocking
Closing the trunk from the outside
(vehicles with KEYLESS-GO*)
In vehicles with trunk lid opening/closing
system* you can close the trunk separate-
ly from the outside using the trunk lid clos-
ing switch.
1Trunk lid closing switch
Make sure you have the SmartKey with
KEYLESS-GO with you.

Press trunk lid closing switch1 brief-
ly.
The trunk lid closes.
Warning!
G
Monitor the closing procedure carefully to
make sure 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 lid closing switch1


press the Š button on the SmartKey


press the remote trunk lid switch (on the
driver’s door)
Even with the SmartKey removed from the
starter switch, the trunk lid 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 visibility blockage,
exhaust fumes may enter the vehicle interi-
or.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 flash
three times to confirm locking.


109 Controls in detail
Locking and unlocking
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.iTo prevent a possible inadvertent lock-
out, the trunk lid will open automatical-
ly if a SmartKey with KEYLESS-GO is
recognized inside the vehicle or in the
trunk.
Warning!
G
Monitor the closing procedure carefully to
make sure 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 lid closing switch1


press the Š button on the SmartKey
with KEYLESS-GO


press the remote trunk lid switch (on the
driver’s door)
Even with the SmartKey with KEYLESS-GO
removed from the vehicle, the trunk lid clos-
ing switch can be operated. Therefore, 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.iIf the vehicle was previously centrally
locked, the trunk will lock automatical-
ly after closing it. The turn signals flash
three times to confirm locking.

110 Controls in detailLocking and unlockingClosing the trunk and locking the vehi-
cle from the outside (vehicles with
KEYLESS-GO*)
In vehicles with trunk lid opening/closing
system* and KEYLESS-GO, you can close
the trunk lid and lock the vehicle simulta-
neously from the outside using the
KEYLESS-GO locking/closing switch.
1KEYLESS-GO locking/closing switch
Make sure you have the SmartKey with
KEYLESS-GO with you.

Press switch1 briefly.
The vehicle is locked and the trunk lid
closes automatically. The turn signals
flash three times to confirm locking.
The locking knobs in the doors move
down. The anti-theft alarm system is
activated.
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.iTo prevent a possible inadvertent lock-
out, the trunk lid will open automatical-
ly if a SmartKey with KEYLESS-GO is
recognized inside the vehicle or in the
trunk.
Warning!
G
Monitor the closing procedure carefully to
make sure 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 KEYLESS-GO locking/closing
switch1


press the Š button on the SmartKey
with KEYLESS-GO


press the remote trunk lid switch (on the
driver’s door)
Even with the SmartKey with KEYLESS-GO
removed from the vehicle, the KEYLESS-GO
locking/closing 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.

111 Controls in detail
Locking and unlocking
Trunk lid emergency release
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 but-
ton:


The button will flash for 30 minutes af-
ter opening the trunk.


The button will flash for 60 minutes af-
ter closing the trunk.
Warning!
G
Only drive with the trunk closed as, among
other dangers such as visibility blockage,
exhaust fumes may enter the vehicle interi-
or.
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 bat-
tery is discharged or disconnected.
iIf the emergency release button is
pressed and the vehicle was centrally
locked, the exterior lamps will flash and
the alarm will sound as the trunk lid
opens:
To cancel the alarm, do one of the fol-
lowing:

Insert the SmartKey in the starter
switch.


Press button Œ or ‹ on the
SmartKey.
In vehicles with KEYLESS-GO*:


Grasp the outside door handle.
The SmartKey with KEYLESS-GO
must be within 3 ft. (1 m) of the ve-
hicle.


Press the KEYLESS-GO* start/stop
button (
page 35).
The SmartKey with KEYLESS-GO
must be inside the vehicle.

112 Controls in detailLocking and unlockingPower closing assist for doors and trunk lid
It is not necessary to slam the door or
trunk lid closed. A pneumatic power-as-
sisted mechanism draws doors and trunk
lid closed quietly and automatically once
door and trunk lid has been latched. When
the pneumatic power-assisted mechanism
has stopped, doors and/or trunk can be
re-opened.Power closing assist for doors

Press the doors gently past the initial
engage position into the lock.
The doors close automatically.
Power closing assist for trunk lid

Press the trunk lid gently into its lock.
The trunk closes automatically.
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 ap-
proximately 9 mph (15 km/h) or more.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
You can deactivate the automatic locking
using the control system (
page 168).
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
or trunk opening when closing a door or the
trunk lid. Be especially careful when small
children are around.
In case of danger, pull the inside or outside
door handle, or press the trunk lid lock.
To prevent personal injury, never actuate
the closing assist mechanism by tampering
with the door or trunk lid latch.
Warning!
G
Only drive with the doors closed. Otherwise,
one or more of the doors could open while
the vehicle is in motion, putting you and/or
others at risk.Warning!
G
Only drive with the trunk closed as, among
other dangers such as visibility blockage,
exhaust fumes may enter the vehicle interi-
or.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold. The vehicle
locks automatically when the ignition is
switched on and the wheels are turning
at vehicle speeds of approximately
9 mph (15 km/h) or more. You could
therefore lock yourself out when the
vehicle

is pushed or towed


is on a test stand

113 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 be-
fore starting to drive.
The fuel filler flap will not be locked or un-
locked with the central locking or unlock-
ing switch, respectively.The switches are located on the upper part
of the front center console.
1Central locking switch
2Central unlocking switch
Locking

Press central locking switch1.
If the front passenger door is closed,
the vehicle locks.
Unlocking

Press central unlocking switch2.
The vehicle unlocks.
Warning!
G
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. Unsupervised use of vehi-
cle equipment may cause 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 with the SmartKey or the with
KEYLESS-GO*, it will not unlock using
the central unlocking switch2.
If the vehicle was previously locked
with the central locking switch1:

While in the global remote control
mode, the vehicle is unlocked com-
pletely when a door is opened from
the inside.


While in the selective remote con-
trol mode, only the door opened
from inside is unlocked.

114 Controls in detailSeatsFor more information on seat adjustment,
see “Adjusting” (
page 37).
Easy-entry/exit feature
This feature allows for easier entry into and
exit from the vehicle.
The easy-entry/exit feature can be activat-
ed or deactivated in the
CONVENIENCE
sub-
menu of the control system (
page 170).When exiting the vehicle, with the easy-en-
try/exit feature activated and depending
on your selection, the steering wheel tilts
upwards and/or the driver’s seat moves a
few inches to the rear when you:


remove the SmartKey from the starter
switch,
or


open the driver’s door with the
SmartKey in starter switch position 0
or 1 or the KEYLESS-GO* start/stop
button (
page 35) in position 1.
Warning!
G
You must make sure no one can become
trapped or injured by the moving steering
wheel and driver’s seat when the easy-en-
try/exit feature is activated.
To cancel seat/steering wheel movement,
do one of the following:

Press seat adjustment switch
(page 38).


Move steering column stalk
(page 40).


Press one of the memory position but-
tons (
page 129).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.