2003 MERCEDES-BENZ S CLASS keyless

100 Controls in detailLocking and unlockingTrunk lid closing switch in trunk
1Trunk lid closing switch
Press closing switch1.
The trunk lid closes automatically.
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 re-opens slightly.Closing and locking the trunk with
KEYLESS-GO*
On vehicles with trunk lid opening/closing
system and KEYLESS-GO, you can close
the trunk lid and lock the vehicle simulta-
neously.
1Trunk lid closing switch
2KEYLESS-GO switch

Make sure that you have the SmartKey
and the KEYLESS-GO card with you.
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 driv-
er’s door control panel), the trunk lid closing
switch1, or the
Š
button on the
SmartKey.
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
KEYLESS-GO card is recognized in the
area of the rear shelf or inside the
trunk.

101 Controls in detail
Locking and unlocking

Press switch2 in the trunk lid.
The trunk lid closes automatically and
the vehicle is locked. The turn signals
flash three times to confirm locking.Limiting opening height of trunk
You can limit the opening angle of the
trunk lid. The trunk lid then opens only to
approximately the height of the roof edge.
This can be useful when there is not
enough overhead clearance space, for ex-
ample. The trunk lid opening height can be
limited when transporting goods on a roof
rack (e.g. presence of an MB sport luggage
container). When activated, the trunk lid
opens to approximately the height of the
roof edge.

With the trunk lid closed, press the re-
mote control switch (
page 99) and
hold for at least five seconds.
Depending on its previous status, the
opening height restriction is then
switched either on or off.
iTo prevent a possible inadvertent lock-
out, the trunk lid will open automatical-
ly if a KEYLESS-GO card is recognized
in the area of the rear shelf or inside
the trunk.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 trunk lid closing switch1 in the
trunk lid, the
Š
button on the SmartKey,
or the remote trunk lid switch (on driver’s
door control panel).
iIf the trunk lid comes into contact with
an object while closing (e.g. luggage
that has been piled too high), the clos-
ing procedure is stopped and the trunk
re-opens slightly.
The closing procedure can be stopped
at anytime by once again pressing the
closing switch in the trunk lid, the re-
mote control switch in the driver’s
door, or the
Š
button on the Smart-
Key.

103 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
switch. This can be useful, for example, if
you want to lock the vehicle before starting
to drive.
The fuel filler flap cannot be locked or un-
locked with the central locking switch.The switches are located in the center con-
sole.
Central locking/unlocking switches1Locking
2Unlocking
Locking
Press central locking switch1.
If both 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 the
KEYLESS-GO* card (if so equipped) with you
and lock the 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.
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
KEYLESS-GO* card (if so equipped) it
will not unlock using the central locking
switch.
If the vehicle was previously locked
with the central locking switch:

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.

104 Controls in detailSeats
SeatsInformation on seat adjustment can be
found in the “Getting started” section,
(page 34).
Lumbar support
You can adjust the contour of the seat’s
lumbar support to best support your spine.
The thumbwheel is located on the lower
side of the seat.
1Thumbwheel
Make sure the ignition is switched on.
All the lamps in the instrument cluster
should light up.

Set the lumbar support between 0
and 5.
Easy-entry/exit feature
With the easy-entry/exit feature activated,
the steering wheel tilts upwards and the
driver’s seat moves to the rear.
This allows easier entry into and exit from
the vehicle when the driver’s door is
opened. However, the engine must be
turned off.
When the SmartKey is inserted in the start-
er switch or you have pressed the
KEYLESS-GO* start/stop button once and
the driver’s door is closed, the steering
wheel and the driver’s seat return to their
last set positions.

107 Controls in detailSeats
Power head restraints, rear*
You can fold the rear head restraints back-
ward or forward using head restraint fold-
ing switch. The switches are located

on the front center console
(page 106):

Make sure the ignition is switched
on.
All the lamps in the instrument clus-
ter should light up

Press switch1 briefly.
The rear head restraints will fold
backward.

Press switch1 and hold.
The rear head restraints will fold up-
right.


on the rear section of the door for ad-
justing the respective head restraint:
Make sure the ignition is switched
on.
All the lamps in the instrument clus-
ter should light up

Press switch1 up.
The rear head restraints will fold up-
right.

Press switch1 down.
The rear head restraints will fold
backward.
Multicontour seat*
The multicontour seat has a movable seat
cushion and inflatable air cushions built
into the seat backrest to provide additional
lumbar and side support.
The seat cushion movement and the seat
backrest cushion height and curvature can
be continuously varied with regulators on
the right side of the seat after turning the
SmartKey in the starter switch to
position2 or pressing the KEYLESS-GO*
start/stop button twice.

117 Controls in detail
Memory function
Memory function
The memory button and stored position
switch are located on the door.
You can store up to three different settings
per SmartKey or KEYLESS-GO* card.
The following settings are saved for each
stored position:

Seat and backrest position


Settings for the multi-contour seat*


Steering wheel position


Inside rear view mirror position


Exterior rear view mirror position


Automatic climate control
These key dependent memory settings can
be deactivated if desired (
page 156).
1 Stored position buttons
2Memory button

Make sure that the ignition is switched
on or the relevant door is open and the
SmartKey is inserted in the starter
switch.
!Prior to operating the vehicle, the driv-
er should check and adjust the seat
height, seat position fore and aft, and
seat backrest angle if necessary, to en-
sure adequate control, reach, and com-
fort. The head restraint should also be
adjusted for proper height. Also see
“Airbags” (
page 57) section for prop-
er seat positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, opera-
tion and comfort. Both the inside and
outside rear view mirrors should be ad-
justed for adequate rear vision.
Fasten seat belts. Infants and small
children should be seated in a properly
secured restraint system that complies
with U.S. Federal Motor Vehicle Safety
Standards 213 and 225 and Canadian
Motor Vehicle Safety Standards 213
and 210.2.
Warning!
G
Do not activate the memory function while
driving. Activating the memory function
while driving could cause the driver to lose
control of the vehicle.

118 Controls in detailMemory functionStoring positions into memory
Adjust the seats, steering wheel and
rear view mirrors to the desired posi-
tion (
page 34).

Press memory button2.

Release memory button and push one
of the position buttons1 within three
seconds.
All the settings are stored with the se-
lected position.
Recalling positions from memory
Press and hold one of the position
buttons1 until the seat, steering wheel
and rear view mirrors have fully moved
to the stored positions.Storing exterior rear view mirror park-
ing position
For easier parking you can adjust the pas-
senger-side exterior rear view mirror so
that you can see the right rear wheel as
soon as you engage reverse gearR.
For information on activating the parking
position, see “Setting parking position for
exterior rear view mirror” (
page 158).
iReleasing the button immediately
stops movement to the stored posi-
tions.Warning!
G
Do not operate the power seats using the
memory button if the seat backrest is in an
excessively reclined position. Doing so
could cause damage to front or rear seats.
First move seat backrest to an upright posi-
tion.
iYou can store a parking position for the
passenger-side exterior rear view mir-
ror for each SmartKey or KEYLESS-GO*
card.

153 Controls in detail
Control system

Press
æ
or
ç
to select the de-
sired lamp-on period.
You can select:


0 S
, the delayed shut-off feature is
deactivated


15 S
, 30 S
, 45 S
, or
60 S
, the de-
layed shut-off feature is activatedYou can temporarily deactivate the de-
layed shut-off feature:

Before leaving the vehicle, turn the
SmartKey in the starter switch to
position0.

Turn the SmartKey in the starter switch
to position2 and back to0.
The delayed shut-off feature is deacti-
vated. It will reactivate as soon as you
reinsert the SmartKey in the starter
switch.
Vehicles with KEYLESS-GO*:

Press the KEYLESS-GO start/stop
button on the gear selector lever
(page 33).Interior lighting delayed shut-off
Use this function to set whether and for
how long you would like the interior light-
ing to remain lit during darkness after the
SmartKey is removed from the starter
switch.

Move the selection marker with
the
æ
or
ç
button to the
LIGHT-
ING
submenu.

Press button
j
or
k
repeatedly
until you see this message in the dis-
play:
INT. LIGHTING DELAYED
SHUT-OFF
.
The selection marker is on the current
setting.