130 Controls in detailSeatsInstalling rear seat head restraints
Insert head restraint and push it down
until it engages.
Push button1 and adjust head
restraint to desired position.Drive - Dynamic seat* with multicon-
tour features
The Drive - Dynamic seat automatically ad-
justs the lateral support provided by the
backrest to your driving style.
The Drive - Dynamic seat electronically
controls the air pressure in the air cham-
bers of the backrest side bolsters. This
function improves driving comfort and
pleasure.
Additional the Drive-Dynamic 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 switches on the right
side of the seat after turning the SmartKey
in the starter switch to position2 or press-
ing the KEYLESS-GO* start/stop button
twice.1Backrest center
2Backrest bottom
3Seat cushion depth
4Activate drive dynamic function
5Backrest side bolsters
6Massage function
Switch on the ignition (
page 34).
!When installing the head restraints,
make sure that:
The proper head restraint for each
seat is installed. The bars of the
head restraint designed for the mid-
dle rear seat are of even length and
shorter than those designed for use
on the outer rear seats.
The head restraints engage fully.
131 Controls in detailSeats
Multicontour features
Seat cushion depth
Adjust the seat cushion depth to the
length of your upper leg using
switch3.
Backrest contour
Adjust the contour of the backrest to
the desired position using æ or
ç.
Move the backrest support to the bot-
tom by using button2 or to the center
by using button1.
Backrest side bolsters
Adjust the side bolsters so that they
provide good lateral support using
switch5.Drive-dynamic features
Activating
Press button4 (
page 130).
The indicator lamp in the button comes
on for five seconds and the following
display appears in the multi-function
display for about five seconds.
Deactivating
Press button4 (
page 130) again.
The indicator lamp in the button goes
out.Massage function (PULSE)
The massage function can help prevent
muscle tension during long drives.
Press button6 (
page 130).
The indicator lamp in button2 comes
on. The air cushions in the lumbar area
pulsate.
iYou can adjust the characteristics of
the Drive - Dynamic seat using the con-
trol system (
page 177).
iWhen the engine is turned off, the last
cushion setting is retained in memory.
The cushion is automatically adjusted
to this setting when the engine is re-
started.iThe massage function turns off auto-
matically after approximately five
minutes.