MERCEDES-BENZ C240 2003 W203 Owners Manual

91 Controls in detail
Locking and unlocking
Separately unlocking the trunk
Pull the mechanical key out of the
SmartKey (
page 285).

Insert the mechanical key in the trunk
lid lock.

Turn the key completely to the left to
position1, see above.
You can now open the trunk (
page 88).
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 129).
iUnlocking the trunk with the mechani-
cal key will trigger the anti-theft alarm
system. To cancel the alarm, do one of
the following:

Press button
Œ
or
‹
on the
SmartKey.


Insert the SmartKey in the starter
switch.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold.
The vehicle automatically locks 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


is on a test stand

92 Controls in detailLocking and unlockingLocking 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 switch is located in the center console.
Central locking switch1Locking
2Unlocking
Locking
Press upper half1 of the central lock-
ing switch.
If both front doors are closed, the vehi-
cle locks.Unlocking

Press lower half2 of the central lock-
ing switch.
The vehicle unlocks.
Warning!
G
When leaving the vehicle, always remove the
key 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. 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 using the SmartKey, it will not
unlock using the central locking switch.
If the vehicle was previously locked
with the central locking switch

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


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

93 Controls in detail
Seats
Seats
Information on seat adjustment can be
found in the “Getting started” section
(page 32).
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 and the driver’s door is closed,
the steering wheel and the driver’s seat re-
turn to their last set positions.You can activate the following functions:


Steering column:
Only the steering column is adjusted.


Steering column and seat:
The steering column and the seat are
adjusted.
The easy-entry/exit feature can be
switched on or off in the individual setting
menu
CONVENIENCE
- EASY-ENTRY FEATURE
ACTIVATE
(page 129).
Warning!
G
You must make sure that no one can be-
come trapped or injured by the moving
steering wheel and the driver’s seat when
the easy-entry/exit feature* is activated,
the driver’s door is being opened and the en-
gine is turned off or the SmartKey is re-
moved from the starter switch. 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.
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.
iTo cancel seat/steering wheel move-
ment, do one of the following:

press seat adjustment switch
(page 28)


move steering column stalk
(page 32)


press memory switch (
page 28)

94 Controls in detailSeatsHead restraints
Information on head restraint adjustment
can be found in the “Getting started” sec-
tion (
page 32).Front seat head restraints, manual seat
Removing front head restraints

Pull head restraint to its highest posi-
tion.

Push button1 and pull out head re-
straint.
Installing front head restraints

Insert head restraint and push it down
to the stop.

Push button1 and adjust head re-
straint to desired position.Front seat head restraints, power seat*
Removing front head restraints

Press switch1 upwards and hold until
the head restraint is fully extended.

Pull out head restraint.
Installing front head restraints

Press switch1 upwards and hold for
about five seconds.

Push the head restraint down until it
engages.

Adjust head restraint to desired posi-
tion (
page 34).
Warning!
G
For your protection, drive only with properly
positioned head restraints.
Adjust head restraint to support the back of
the head approximately at ear level.
Do not drive the vehicle without the seat
head restraints. Head restraints are intend-
ed to help reduce injuries during an acci-
dent.iTilt the backrest to the rear for easier
removal and installation of the head re-
straints.

95 Controls in detail
Seats
Rear seat head restraints (outer seats)Removing rear head restraints

Pull head restraint to its highest posi-
tion.

Push button1 and pull out head re-
straint.
Installing rear head restraints

Insert head restraint and push it down
until it engages.

Push button1 and adjust head re-
straint to desired position.
Warning!
G
For safety reasons, always drive with the
rear head restraints in the upright position
when the rear seats are occupied.
Keep the area around head restraints clear
of articles (e.g. clothing) to not obstruct the
folding operation of the head restraints.
!The center rear seat head restraint can-
not be removed.

96 Controls in detailSeatsMulticontour seat*
Some models may be equipped with driv-
er’s multicontour seat. This seat has a
movable seat cushion and inflatable air
cushions built into the backrest to provide
additional lumbar and side support.
The seat cushion movement, backrest
cushion height and curvature can be con-
tinuously varied with regulators on the
right side of the seat after turning the
SmartKey in the starter switch to
position2.1Seat cushion depth
2Backrest bottom
3Backrest center
4Side bolster adjustment
Adjusting the multicontour seat in the or-
der listed above is recommended.

Check that the ignition is switched on.
All lamps in the instrument cluster light
up.The seat cushion movement, backrest
cushion height and curvature can be con-
tinuously varied with regulators1, 2 and3.
The side bolsters of the backrest can be
adjusted with rocker switch4.

Press to the left.
Side support will be increased.

Press to the right.
Side support will be decreased.iWhen the engine is turned off, the last
cushion setting is retained in memory,
and the cushion is automatically ad-
justed to this setting when the engine
is restarted.

97 Controls in detail
Seats
Heated seats*
Both switches for the front seats are locat-
ed in the center console.
1Normal heating
2Rapid heating
Make sure that the ignition is switched
on.
All the lamps in the instrument cluster
light up.
Switching on seat heating

Press upper switch position1.A red indicator lamp on the switch
lights up.
Switching on rapid seat heating

Press lower switch position2.
Both red indicator lamps on the switch
light up.Switching off seat heating

If one indicator lamp is on, press upper
switch position1.

If both indicator lamps are on, press
lower switch position2.
!If one or both of the lamps on the seat
heater switch are blinking, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heater switches off auto-
matically.
The seat heater will switch back on
again automatically as soon as suffi-
cient voltage is available.iThe system switches over to normal
heating mode after approximately five
minutes. Only one indicator lamp re-
mains lit.
iThe seat heater will be automatically
switched off after approximately
30 minutes.

98 Controls in detailMemory function*
Memory function*
You can store up to three different settings
per key.
The following settings are saved for each
stored position:

Driver’s seat and backrest position


Steering wheel position


Driver’s side exterior rear view mirror
position


Passenger side exterior rear view mir-
ror position


Front passenger seat position
These key-dependent memory settings
can be deactivated if desired (
page 99).
!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
ensure adequate control, reach and
comfort. The head restraint should also
be adjusted for proper height. Also see
airbag section (
page 57) for proper
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.

99 Controls in detail
Memory function*
The memory button and stored position
button are located on the door.
1Memory button
2Stored position button
Make sure that the ignition is switched
on or the relevant door is open and the
SmartKey is inserted in the starter
switch.
Storing positions into memory
Adjust the seats, steering wheel and
rear view mirrors to the desired posi-
tion (
page 32).

Turn button2 to selected memory po-
sition.

Press memory button1.

Release memory button and push
button2 within three seconds.
All the settings are stored at the select-
ed position.
Recalling positions from memory
Turn button2 to selected memory po-
sition.

Press and hold button2 until the seat,
steering wheel and rear view mirrors
have fully moved to the stored posi-
tions.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 backrest to an upright position.

100 Controls in detailMemory function*Storing exterior rear view mirror parking position
For easier parking, you can adjust the
passenger-side exterior rear view mirror so
that you can see the right rear wheel as
soon as you engage reverse gearR.
You can store a parking position for the
passenger exterior rear view mirror for
each key using the memory button.
For information about activating the
parking position, see “Activating exterior
rear view mirror parking position”
(page 145).1Memory button
2Adjustment button
3Passenger side exterior rear view
mirror

Stop the vehicle.

Switch ignition on (if not already on).

Press button3.
The passenger side exterior rear view
mirror is selected.

Adjust the exterior rear view mirror
with button2 so that you see the rear
wheel and the road curb.

Press memory button “M”1 on the
door.

Within three seconds press bottom of
adjustment button2 above the exterior
lamp switch.
The parking position is stored if the
mirror does not move.iIf the mirror does move, repeat the
above steps. After the setting is stored
you can move the mirror again.