MERCEDES-BENZ S500 2004 W220 Owner's Manual

110 Controls in detailSeatsRear seat head restraints
Folding head restraints back
The rear seat head restraints and the rear
seat power head restraints* can be folded
backward for increased visibility.
1Switch in the front center console

Make sure the ignition is switched on.
All the lamps in the instrument cluster
come on.

Press switch1 in the front center con-
sole briefly.
The rear head restraints will fold back-
ward.Placing head restraints upright

Pull the rear head restraint upright until
it locks into position.
!The rear head restraints cannot be re-
moved.
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.
!Make sure the head restraints engage
when placing them upright manually.
Otherwise their protective function
cannot be ensured.

111 Controls in detailSeats
Placing power head restraints* upright
Make sure the ignition is switched on.
All the lamps in the instrument cluster
come on.

Press switch1 in the front center con-
sole and hold.
The rear head restraints will fold up-
right.Folding back and placing upright power
head restraints* with the switches in
the rear doors
You can fold the rear power head restraints
backward or upright using the head re-
straint folding switches in the respective
rear doors.
1Head restraint switch, rear

Make sure the ignition is switched on.
All the lamps in the instrument cluster
come on.

Press switch up in direction of
arrow1.
The rear power head restraint will fold
upright.

Press switch down in direction of
arrow1.
The rear power head restraint will fold
backward.
Head restraint tilt
You can adjust the angle manually by pull-
ing or pushing the head restraints by hand.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.

112 Controls in detailSeatsLumbar support
You can adjust the contour of the seat’s
lumbar support to best support your spine.
The thumbwheel for the driver’s and front
passenger’s seat are located on the inner
side of the seat.
1Thumbwheel
Make sure the ignition is switched on.
All the lamps in the instrument cluster
come on.

Set the lumbar support between 0
and 5.
Multicontour backrest*
The multicontour backrest has inflatable
air cushions built into the seat backrest to
provide additional lumbar and side sup-
port.
The seat backrest cushion height and cur-
vature can be continuously varied with
switches 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.1Shoulder region support
2Side bolster adjustment
3Massage function (PULSE)
4Lumbar region support

Make sure the ignition is switched on.
All lamps in the instrument cluster
come on.
Shoulder region support

Press æ or ç on switch1.
The air cushion inflates or deflates.

113 Controls in detailSeats
Lumbar region support
Press k or j on rocker
switch4.
This selects the air cushion you wish to
adjust.

Press æ or ç on rocker
switch4.
The air cushion inflates or deflates.
Side bolsters adjustment

Adjust the side bolsters so that they
provide good lateral support using
switch 2.Massage function (PULSE)
You can reduce muscle tension during long
trips by periodically using the massage
function.

Press button3.
The indicator lamp on button3 comes
on. The air cushions in the lumbar re-
gion inflate and deflate rhythmically.
Drive-dynamic seat*
The drive-dynamic seat automatically ad-
justs the lateral support provided by the
seat backrest to your driving style.
1Activate drive-dynamic function
The drive-dynamic seat electronically con-
trols the air pressure in the air chambers of
the seat backrest side bolsters. This func-
tion improves driving comfort and plea-
sure.
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.
iThe massage function switches off au-
tomatically after approximately eight
minutes. The indicator lamp extinguish-
es.

114 Controls in detailSeatsActivating
Press button1.
The indicator lamp in the switch comes
on and the following message appears
in the multifunction display for five sec-
onds: Deactivating

Press button1 again.
The indicator lamp in the button goes
out.
The message:DRIV. DYN. SEAT ADJ.
DRIVER
OFF appears in the multifunction display.
Seat heating*
Vehicles without seat ventilation*
The switch is located on the door.
1Normal heating
2Rapid heating
Switch on ignition.
Switching on seat heating

Press switch1.
A red indicator lamp above the switch
comes on.
iYou can adjust the characteristics of
the drive-dynamic seat using the con-
trol system (
page 163).
iWhen the engine is turned off, the last
cushion setting retained in memory.
The cushion is automatically adjusted
to this setting when the engine is re-
started.

115 Controls in detailSeats
Switching off seat heating
Press switch1 again.
Switching on rapid seat heating

Press switch2.
Both red indicator lamps above the
switch come on. Switching off rapid seat heating mode

Press switch2 again. Vehicles with seat ventilation*
The switch is located on the door. The red
indicator lamps on the switch show the
heating level selected:
1Seat heating switch

Switch on ignition.
iThe seat heating will be automatically
switched off after approximately
30 minutes. iThe system switches over to normal
heating mode after approximately
five minutes. Only the right-hand indi-
cator lamp remains lit.
!If one or both of the lamps on the seat
heating switch are flashing, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heating switches off auto-
matically.
The seat heating will switch back on
again automatically as soon as suffi-
cient voltage is available.
Leveloff
No indicator lamp on
1
One indicator lamp on
2
Two indicator lamps on

116 Controls in detailSeatsSwitching on seat heating
Press switch1 twice.
A red indicator lamp above the switch
comes on.
Switching off seat heating

Press switch1 again. Switching on rapid seat heating

Press switch1 once.
Both indicator lamps above the switch
come on. Switching off rapid seat heating mode

Press switch1 twice.
iThe seat heating will be automatically
switched off after approximately
30 minutes.
iThe system switches over to normal
heating mode after approximately
five minutes. Only the right-hand indi-
cator lamp remains lit.
!If one or both of the lamps on the seat
heating switch are flashing, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heating switches off auto-
matically.
The seat heating will switch back on
again automatically as soon as suffi-
cient voltage is available.

117 Controls in detailSeats
Seat ventilation*
The switch is located on the door. Seat
ventilation can be activated manually with
the SmartKey in starter switch position1
or2 (
page 31). The driver’s seat ventila-
tion can be activated automatically by the
summer opening feature (
page 197).
The blue indicator lamps on the switch
show the ventilation level selected:
1Seat ventilation switch

Switch on ignition.
Switching on seat ventilation

Press switch1.
Three blue indicator lamps above the
switch come on.
Continue pressing switch1 until the
desired seat ventilation level is
reached.Switching off seat ventilation

Press switch1 repeatedly until all in-
dicator lamps go out.
Level3
Three indicator lamps on
2
Two indicator lamps on
1
One indicator lamp on
off
No indicator lamp on
iThe seat ventilation for the driver’s seat
is automatically set to the highest level
if activated via summer opening fea-
ture (
page 197).
!If one or all of the lamps on the seat
ventilation switch are flashing, there is
insufficient voltage since too many
electrical consumers are switched on.
The seat ventilation switches off auto-
matically.
The seat ventilation will switch back on
again automatically as soon as suffi-
cient voltage is available.

118 Controls in detailSeatsRear seats
Power seat bench*
The switches for adjusting the seat bench
are located at the respective rear doors.
1Seat bench fore and aft adjustment
2Head restraint fold/place uprightSeat bench fore and aft adjustment

Press switch forward or backward in di-
rection of arrow1.
Head restraint folding

Press switch up or down in direction of
arrow2.
The head restraint is folded or placed
upright.
For information on switching on seat heat-
ing* and seat ventilation*, see
(
page 117) and (
page 114).Individual power seats*
The switches for adjusting the seats are lo-
cated at the respective rear doors.
1Seat fore and aft adjustment
2Seat height
3Head restraint fold/place upright

119 Controls in detailSeats
Seat fore and aft adjustment
Press switch forward or backward in di-
rection of arrow1.
Seat height

Press switch up or down in the direc-
tion of arrow2.
Head restraint folding

Press switch up or down in direction of
arrow3.
The head restraint is folded or placed
upright.
For information on switching on seat heat-
ing* and seat ventilation*, see
(
page 117) and (
page 114).Power seat, setting front passenger
seat position from rear*
This function lets you adjust the position of
the front passenger seat from the rear.The switch is located on the right rear pas-
senger door.
1Front passenger seat adjustment
2Rear seat adjustment
3Seat height
4Head restraint height
5Backrest tilt
6Seat fore and aft adjustment
Warning!
G
When adjusting the front passenger seat,
make sure the seat, if occupied, is as far
from the passenger front airbag as possible.
Otherwise, the passenger could be seriously
or even fatally injured in the event of an ac-
cident or braking maneuver.
Make sure that no one is caught or injured
while the seat is being adjusted.
The power seats can also be operated with
the driver's or passenger door open. 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