2005 MERCEDES-BENZ C240 cs button

102 Controls in detailSeatsFolding head restraints back with
release button
The rear seat head restraints can be folded
backward for increased visibility.
1Release button
Push release button1.
The head restraint will fold backward.Folding head restraints back with
switch in the center console (rear outer
seats)
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.
iYou can also fold the rear outer seat
head restraints back using the switch
in the center console (
page 102).
Warning!
G
Make sure the head restraints engage when
placing them upright. Otherwise their
protective function cannot be assured.

103 Controls in detailSeats
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.
Removing and installing rear seat head
restraints (rear outer seats)
1Release button
Removing rear seat head restraints

Fold back head restraint (
page 102).

Pull head restraint to its highest
position.

Push release button1 and pull out
head restraint.
Installing rear seat head restraints

Insert head restraint and push it down
until it engages.

Push button1 and adjust head
restraint to desired position.
iAdjust the head restraint in such a way
that it is as close to the head as
possible.iThe rear center seat head restraint
cannot be removed.
Warning!
G
For your protection, drive only with properly
positioned head restraints.
Adjust head restraint so that the center of
the head restraint supports the back of the
head at eye level. This will reduce the poten-
tial for injury to the head and neck in the
event of an accident or similar situation.
Do not drive the vehicle without the seat
head restraints. Head restraints are intend-
ed to help reduce injuries during an acci-
dent.
Do not interchange head restraints from
front and rear seat.

106 Controls in detailMemory function*
You can store up to three different settings
for each SmartKey.
The following settings are stored when
using the buttons on the driver’s door:

Driver’s seat, backrest and head
restraint position


Steering wheel position


Exterior rear view mirror positions
These key-dependent memory settings
can be deactivated if desired. For informa-
tion on key-dependent memory settings,
see “Setting key-dependency”
(
page 147).The following settings are not
key-dependent. They are stored when
using the buttons on the front passenger
door:


Front passenger seat, backrest and
head restraint position
!Prior to operating the vehicle, the
driver 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. See also
the section on air bags (
page 59) for
proper seat positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, opera-
tion and comfort. Both the interior and
exterior rear view mirrors should be
adjusted 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.

107 Controls in detail
Memory function*
The memory button and memory position
switch are located on the door.
1Memory button
2Memory position switch
Switch on ignition (
page 33).
or

Open the respective door.
Storing positions into memory
Adjust the seat, steering wheel and
exterior rear view mirrors to the
desired position (
page 35).

Turn memory position switch2 to the
selected memory position.

Press memory button1.

Release memory button1 and press
memory position switch2 within
three seconds.
All settings are stored to the selected
position.
Recalling positions from memory
Turn memory position switch2 to the
selected memory position.

Press and hold memory position
switch2 until the seat, steering wheel
and exterior rear view mirrors have
completely moved to the stored
positions.!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.iReleasing the memory position switch
stops movement to the stored
positions immediately.

108 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.
For information on activating the parking
position feature, see “Activating exterior
rear view mirror parking position*”
(page 170).1Memory button
2Adjustment button
3Passenger-side exterior rear view
mirror button

Stop the vehicle.

Switch on ignition (
page 33).

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 button1.

Within three seconds, press bottom of
adjustment button2.
The parking position is stored if the
mirror does not move.
iYou can store a parking position for the
passenger-side exterior rear view
mirror for each SmartKey.
iIf the mirror does move, repeat the
above steps. After the setting is stored,
you can move the mirror again.

116 Controls in detailLightingSwitching rear interior lights on and off
Press buttonV.
The lights in the rear passenger
compartment come on.

Press buttonV again.
The lights in the rear passenger
compartment go out.
Switching right front reading lamp on
and off

Press right buttonX.
The right reading lamp comes on.

Press right buttonX again.
The right reading lamp goes out.
Switching left front reading lamp on and
off

Press left buttonX.
The left reading lamp comes on.

Press left buttonX again.
The left reading lamp goes out.
Door entry lamps
The appropriate door entry lamp switches
on if a door is opened in darkness and if
the interior lighting is switched to auto-
matic function.
The entry lamp switches off automatically
when the door is closed.
Trunk lamp
The trunk lamp switches on if the trunk lid
is opened.
If you leave the trunk open for an extended
period of time, the trunk lamp will switch
off automatically after approximately ten
minutes.
iIf you turn the SmartKey in the starter
switch to position0 and switch off the
exterior headlamps, the door entry
lamps will remain lit for approximately
five minutes.

117 Controls in detail
Instrument cluster
Instrument cluster
For a full view illustration of the instrument
cluster, see “At a glance” (
page 24).
1Reset button
The instrument cluster is activated when
you


open a door


switch on ignition


press reset button1


switch on the exterior lamps
You can change the instrument cluster
settings in the Instrument cluster submenu
of the control system (
page 135).
Instrument cluster illumination
Use reset button1 to adjust the
illumination brightness for the instrument
cluster.To brighten illumination

Turn reset button1 clockwise.
The instrument cluster illumination will
brighten.
To dim illumination

Turn reset button1 counterclock-
wise.
The instrument cluster illumination will
dim.
iThe instrument cluster illumination is
dimmed or brightened automatically to
suit ambient light conditions.
The instrument cluster illumination will
also be adjusted automatically when
you switch on the vehicle’s exterior
lamps.

119 Controls in detail
Instrument cluster
Trip odometer
Make sure you are viewing the trip
odometer and main odometer in the
multifunction display (
page 121).

If it is not displayed, press buttonè
orÿ on the multifunction steering
wheel until the trip odometer appears
(page 122).

Press and hold the reset button in the
instrument cluster (
page 117) until
the trip odometer is reset.
Tachometer
The red marking on the tachometer
(page 24) denotes excessive engine
speed.
To help protect the engine, the fuel supply
is interrupted if the engine is operated
within the red marking.
Outside temperature indicator
!Avoid driving at excessive engine
speeds, as it may result in serious
engine damage that is not covered by
the Mercedes-Benz Limited Warranty.
Warning!
G
The outside temperature indicator is not de-
signed to serve as an ice-warning device and
is therefore unsuitable for that purpose.
Indicated temperatures just above the freez-
ing point do not guarantee that the road sur-
face is free of ice. The road may still be icy,
especially in wooded areas or on bridges.