Page 121 of 481

120 Controls in detail SeatsFor more information on seat adjustment,
see “Adjusting” (
page 41).
For more information on folding the seats,
see “Loading” (
page 239).
Front seat active head restraints
You cannot remove the active head re-
straint on the driver’s and front passen-
ger’s seats.For removal of the active head restraints
we recommend that you contact an autho-
rized Mercedes-Benz Center.
For information on head restraint adjust-
ment, see “Seat adjustment” (
page 42).
For information on active head restraints,
see “Active head restraints” (
page 83).
Rear seat head restraints
Warning!
G
For your protection, drive only with properly
positioned head restraints.
Adjust the head restraint so that the center
of the head restraint supports the back of
the head at eye level. This will reduce the po-
tential 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.
i
Adjust the head restraint in such a way that
it is as close to the head as possible.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.
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.i
The rear seat head restraints cannot be ad-
justed.
Page 122 of 481
121 Controls in detailSeats
Folding head restraints back
The rear seat head restraints can be folded
backward for increased visibility.
1Head restraint release switch
Switch on the ignition (
page 38).
Press the symbol-side on rocker
switch1 to release the head re-
straints.
The head restraints will fold backward.Placing head restraints upright
Pull the head restraint forward until it
locks into position.
Lumbar support
The curvature of the front seats can be ad-
justed to help enhance lower back support
and seating comfort.
1Adjustment lever
Move adjustment lever1 in direction
of the arrows until you have reached a
comfortable seating position.
!
Make sure the head restraints engage when
placing them upright. Otherwise their protective
function cannot be assured.
Page 123 of 481

122 Controls in detailSeatsMulticontour seat*
The multicontour seat has a movable seat
cushion and inflatable air cushions built
into the backrest to provide additional lum-
bar and side support.
The seat cushion movement, backrest
cushion height and curvature can be con-
tinuously varied with switches right side of
the seat on the driver side, or the left side
of the seat on the passenger side.1Seat cushion depth
2Backrest bottom
3Backrest center
4Backrest side bolsters
Switch on the ignition (
page 38).Seat cushion depth
Adjust the seat cushion depth to the
length of your upper leg using
switch1.
Backrest contour
Adjust the contour of the backrest to
the desired position using æ or
ç.
Move the backrest support cushion to
the bottom by using button2 or to the
center by using button3.
Backrest side bolsters
Adjust the side bolsters so that they
provide good lateral support using
switch4.
i
If, after a period of time, the seat no longer
provides the desired contour, then repeat the ad-
justment procedure.
Page 124 of 481

123 Controls in detailSeats
Seat heating*
The red indicator lamps on the switch
show the heating level selected.
1Front seat heating switch
1Rear seat heating switch (Canada only)
Switch on the ignition (
page 38).Switching seat heating on
Press switch1.
Three red indicator lamps in the switch
come on.
Continue pressing switch1 until de-
sired seat heating level is reached.
Switching seat heating off
Press switch1 repeatedly until all in-
dicator lamps go out.
Level3
Three indicator lamps on
(highest level).
The seat heating automatically
switches to level2 after approxi-
mately 5 minutes.
2
Two indicator lamps on.
The seat heating automatically
switches to level1 after approxi-
mately 10 minutes.
1
One indicator lamp on
(lowest level).
The seat heating automatically
switches off after approximately
20 minutes.
off
No indicator lamp on.
i
If one or more of the lamps on the seat heat-
ing switch are flashing, there is insufficient volt-
age available since too many electrical
consumers are turned on. The seat heating
switches off automatically.
The seat heating will switch back on again auto-
matically as soon as sufficient voltage is avail-
able.
Page 125 of 481

124 Controls in detailSeatsSeat ventilation*
The blue indicator lamps on the switch
show the ventilation level selected.
1Seat ventilation switch
Switch on the ignition (
page 38).Switching seat ventilation on
Press switch1 repeatedly until the
desired ventilation level is set.
One or more blue indicator lamps on
the switch show the selected ventila-
tion level.
Switching seat ventilation off
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.
i
The seat ventilation for the driver’ seat can
be activated using summer opening feature
(
page 210).
i
If one or more of the lamps on the seat ven-
tilation switch are flashing, there is insufficient
voltage available since too many electrical con-
sumers are turned on. The seat ventilation
switches off automatically.
The seat ventilation will switch back on again au-
tomatically as soon as sufficient voltage is avail-
able.
Page 126 of 481

125 Controls in detail
Memory function
Memory function
Prior to operating the vehicle, the driver
should check and adjust the seat height,
seat position fore and aft, and seat back-
rest angle if necessary, to ensure adequate
control, reach and comfort. The head re-
straint should also be adjusted for proper
height. See also the section on air bags
(page 66) for more information on prop-
er seat positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, operation
and comfort. Both the interior and exterior
rear view mirrors should be adjusted for
adequate rear vision.
Fasten seat belts. Infants and small chil-
dren should be seated in a properly se-
cured restraint system that complies with
U.S. Federal Motor Vehicle Safety Stan-
dards 213 and 225 and Canadian Motor
Vehicle Safety Standards 213 and 210.2.With the memory function you can store up
to three different settings.
Each stored position on the driver’s side in-
cludes the following settings:
Seat position and lumbar support
Multicontour seat*: previously saved
setting
Steering wheel position
Exterior rear view mirror positionsEach stored position on the passenger side
includes the following settings:
Seat position and lumbar support
Multicontour seat*: previously saved
settingWarning!
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.
Page 127 of 481

126 Controls in detailMemory functionMMemory button
1, 2, 3Stored position button
Switch on the ignition (
page 38).
or
Open the respective door.
Storing positions into memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the de-
sired position (
page 41).
Press memory buttonM.
Release memory buttonM and press
memory position button 1, 2 or 3 with-
in 3 seconds.
All the settings are stored to the select-
ed position.
Recalling positions from memory
Press and hold memory position
button1, 2 or3 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 ex-
cessively reclined position. Doing so could cause
damage to front or rear seats.
First move seat backrest to an upright position.
i
Releasing the memory position button stops
movement to the stored positions immediately.
The multicontour seat* will continue to be ad-
justed.
Page 128 of 481
127 Controls in detail
Memory function
Storing exterior rear view mirror parking position
For easier parking, you can adjust the pas-
senger-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, see “Activating exterior rear view
mirror parking position” (
page 187).
1Passenger-side exterior rear view
mirror button
2Adjustment button
3Memory button
Stop the vehicle.
Switch on the ignition (
page 38).
Press button1.
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 buttonM3.
Within 3 seconds, press bottom of ad-
justment button2.
The parking position is stored if the
mirror does not move.
i
If the mirror does move, repeat the above
steps. After the setting is stored, you can move
the mirror again.