2004 MERCEDES-BENZ C320S warning

94 Controls in detailSeatsFront seat head restraints, power seat*
Removing front seat head restraints
Press switch1 upwards and hold until
head restraint is fully extended.

Pull out head restraint.
Installing front seat head restraints

Press switch1 upwards and hold for
about five seconds.

Push head restraint down until it
engages.

Adjust head restraint to desired
position (
page 35).
Rear seat head restraints
Head restraint height (rear outer seats)
1Release button
Raising:
Manually adjust the height of the head
restraint by pulling it upward.
If the head restraint is fully retracted,
push release button1 and pull the
head restraint out.Lowering:

To lower the head restraint, push
release button1 and push down on
the head restraint.Warning!
G
For your protection, drive only with properly
positioned head restraints.
Adjust head restraint so that the head
restraint supports the back of the head at
eye level. This will reduce the potential 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
intended to help reduce injuries during an
accident.!The center rear seat head restraint
cannot be adjusted.

95 Controls in detail
Seats
Folding head restraints back with
release button
T h e r e a r s e a t h e a d r e s t r a i n t s c a n b e f o l d e d
backward for increased visibility.
1Release button
Push release button1.
The head restraints will fold backward.Folding head restraints back with
switch in the center console
1Head restraint release switch

Start the engine.

Press the symbol-side on the rocker
switch1 to release the head
restraints.
The head restraints will fold backward.Placing head restraints upright

Pull the head restraint forward until it
locks into position.
iYou can also fold the head restraints
back using the switch in the center
console (
page 95).
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.

96 Controls in detailSeatsHead restraint tilt
Two different head restraint angle
positions are available.
Press the release button (
page 95)
and tilt the head restraint to the
desired position.Removing and installing rear seat head
restraints (outer seats)
1Release button
Removing rear seat head restraints

Fold back head restraint (
page 95).

Pull head restraint to its highest
position.

Push release button1 and pull out
head restraint.
!Make sure the head restraints engage
when placing them upright. Otherwise
their protective function cannot be as-
sured.
Warning!
G
For your protection, drive only with properly
positioned head restraints.
Adjust head restraint so that the head re-
straint supports the back of the head at eye
level. This will reduce the potential for injury
to the head and neck in the event of an ac-
cident 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.!The center rear seat head restraint
cannot be removed.

99 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.
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 135).
!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. See also
the section on airbags (
page 55) 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.

100 Controls in detailMemory function*The memory button and stored position
button are located on the door.
1Memory button
2Stored position button
Make sure 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
position.

Press memory button1.

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

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.

103 Controls in detail
Lighting
Manual headlamp mode
The low beam headlamps and parking
lamps can be switched on and off with the
exterior lamp switch. For exterior lamp
switch, see (
page 102).
Automatic headlamp mode
The parking lamps, low beam headlamps
and license plate lamps switch on and off
automatically depending on the brightness
of the ambient light.

Turn the exterior lamp switch toU.
iIf you remove the SmartKey and open
the driver’s door while the parking
lamps or low beam headlamps are
switched on, then

a warning sounds


$appears in the multifunction
display


the message
TURN OFF LIGHTS!

appears in the multifunction display
iWith the daytime running lamp mode
activated and the engine running, the
low beam headlamps cannot be
switched off manually.
Warning!
G
If the exterior lamp switch is set toU,

the headlamps may switch off unexpect-
edly when the system senses bright
ambient light, for example light from
oncoming traffic.


the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others,
activate headlamps by turning exterior lamp
switch toB when driving or when traffic
and / or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from positionU toB with the
vehicle at a standstill. Switching fromU
toB will briefly switch off the head-
lamps. Doing so while driving in low ambient
lighting conditions may result in an acci-
dent.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle's lights at all
times.

104 Controls in detailLightingDaytime running lamp mode
Turn exterior lamp switch to
positionM orU.
When the engine is running, the low beam
headlamps are automatically switched on.
In low ambient light conditions the parking
lamps will also switch on.Canada only
When you shift from a driving position to
positionN orP, the low beam switches off
(with a three-minute delay).
For nighttime driving you should turn the
exterior lamp switch to positionB to
permit activation of the high beam head-
lamps.
USA only
The high beam headlamps can also be
activated when driving with the daytime
running lamp mode activated and exterior
lamp switch in positionM.
To activate the daytime running lamp
mode, see “Setting daytime running lamp
mode (USA only)” (
page 129).Locator lighting and night security
illumination
Locator lighting and night security illumi-
nation are described in the control system
section under “Setting locator lighting”
(
page 130) and “Setting night security
illumination” (
page 131).
Switching on fog lamps
iWith the daytime running lamp mode
activated, the low beam headlamps will
not switch off automatically.iThe front fog lamps and rear fog lamp
cannot be switched on manually with
exterior lamp switch in positionU.
To activate the fog lamps, turn exterior
lamp switch to positionB and pull
the exterior lamp switch to first or
second stop (
page 102).
iSee notes on the exterior lamp switch
(page 102).
Warning!
G
In low ambient lighting or foggy conditions,
only switch from positionU toB with
the vehicle at a standstill. Switching
fromU toB will briefly switch off the
headlamps. Doing so while driving in low
ambient lighting conditions may result in an
accident.

106 Controls in detailLightingSwitching on high beams
Turn exterior lamp switch to
positionB or toU
(page 102).

Push combination switch in direction of
arrow1.
The high beam indicatorA on the
instrument cluster comes on.
High beam flasher

Pull combination switch briefly in
direction of arrow2.
Hazard warning flasher
The hazard warning flasher can be activat-
ed with the ignition switched on or off. It is
activated automatically when an airbag is
deployed.
The switch is located on the center con-
sole.
1Hazard warning flasher switchSwitching on the hazard warning
flasher

Press hazard warning flasher switch.
All turn signals will flash.
Switching off the hazard warning
flasher

Press hazard warning flasher switch
again.iWith the hazard warning flasher acti-
vated and the combination switch set
for either left or right turn, only the re-
spective left or right turn signals will
operate when the SmartKey in the
starter switch is in position1 or2.iIf the hazard warning flasher was
activated automatically, also press
switch1 to switch off the hazard
warning flasher.