2006 MERCEDES-BENZ S55AMG Owner's Manual

120 Controls in detailSeats
Rear 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.
The switch is located on the upper part of
the front center console.
1Switch in the front center console

Switch on the ignition (
page 34).

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


121 Controls in detailSeats
Placing head restraints upright
Pull the rear head restraint upright until
it locks into position.
Placing power head restraints* upright
(rear outer seats)

Switch on the ignition (
page 34).

Press and hold switch1 in the front
center console and hold.The rear outer seats head restraints
will fold upright.

Pull the rear center seat head restraint
upright manually until it locks into posi-
tion.
Folding down and placing upright pow-
er head restraints* with the switches in
the rear doors (rear outer seats)
You can fold the rear outer seats power
head restraints backward or upright using
the head restraint folding switches in the
respective rear doors.
1Head restraint switch, rear

Switch on the ignition (
page 34).
or

Open the respective door.

Press switch up in the direction of
arrow1.
The rear outer seats power head re-
straint will fold upright.

Press switch down in the direction of
arrow1.
The rear power head restraint will fold
backward.
!Make sure the head restraints engage
when placing them upright manually.
Otherwise their protective function
cannot be ensured.
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.

122 Controls in detailSeatsHead restraint tilt
You can adjust the angle manually by pull-
ing or pushing the head restraints by hand.
Lumbar support
You can adjust the contour of the seat’s
lumbar support to help enhance support to
your spine.
The thumbwheel for the driver’s and front
passenger seat are located on the inner
side of the seat.
1Thumbwheel
Switch on the ignition (
page 34).

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 adjusted 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 (
page 35) twice.
iAdjust the head restraint in such a way
that it is as close to the head as possi-
ble.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.

123 Controls in detailSeats
The switches for the driver and front pas-
senger seat are located on the inner side of
the seat.
1Shoulder region support
2Side bolster adjustment
3Massage function (PULSE)
4Lumbar region support
Switch on the ignition (
page 34).
Shoulder region support

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

124 Controls in detailSeatsDrive-dynamic seat*
The drive-dynamic seat automatically ad-
justs the lateral support provided by the
seat backrest to your driving style.
The switches for the driver’s and front pas-
senger seat are located on the inner side of
the seat.
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.
Switch on the ignition (
page 34).Activating

Press button1.
The indicator lamp in the switch comes
on and the following message appears
in the multifunction display for five sec-
onds:
Message for the driver’s seatMessage for the front passenger seat:DRIV. DYN. SEAT ADJ.
FRONT PASSENGER
ACTIVATED
Deactivating
Press button1 again.
The indicator lamp in the button goes
out.
The message for the driver’s seat:DRIV. DYN. SEAT ADJ.
DRIVER
DEACTIVATED or the message for the front passenger
seat:DRIV. DYN. SEAT ADJ.
FRONT PASSENGER
DEACTIVATED appears in the multifunction display.
iYou can adjust the characteristics of
the drive-dynamic seat using the con-
trol system (
page 171).
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.

125 Controls in detailSeats
Seat heating*
Vehicles without seat ventilation*
The switches are located on the door.
1Normal heating
2Rapid heating
The red indicator lamps above the switch-
es show the heating level selected:

Switch on the ignition (
page 34).
Switching on seat heating

Press switch1.
A red indicator lamp above the switch
comes on.
Switching off seat heating

Press switch1 again.
The indicator lamp above the switch
goes out.
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.
Both indicator lamps above the switch
go out.
Leveloff
No indicator lamp on.
1
One left indicator lamp on.
2
Two right indicator lamps on.
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. iIf 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.

126 Controls in detailSeatsVehicles with seat ventilation*
The switch is located on the door.
1Seat heating switch
The red indicator lamps above the switch
show the heating level selected:

Switch on the ignition (
page 34).
Switching on seat heating

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

Press switch1 again.
The indicator lamp above the switch
goes out.
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.
Both indicator lamps above the switch
go out.
Leveloff
No indicator lamp on.
1
One indicator lamp on.
2
Two indicator lamps on.
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. iIf 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.

127 Controls in detailSeats
Seat ventilation*
The switch is located on the door. Seat
ventilation can be activated manually with
the ignition switched on. The driver’s seat
ventilation can be activated automatically
by the summer opening feature
(page 210).
The blue indicator lamps on the switch
show the ventilation level selected:
1Seat ventilation switch

Switch on the ignition (
page 34).
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
(highest level).
2
Two indicator lamps on.
1
One indicator lamp on
(lowest level).
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 210).
iIf 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.