Page 96 of 384
96 Controls in detailSeats
SeatsInformation on seat adjustment can be
found in the “Getting started” section
(page 34).
Lumbar support
You can adjust the contour of the seat’s
lumbar support to best support your back.
The thumbwheels for the driver’s and front
passenger’s seat are on the inner side of
the seat.
1Thumbwheel
Make sure the ignition is switched on.
All the lamps in the instrument cluster
should light up.
Set the lumbar support between 0
and 5.
Easy-entry / exit feature
With the easy-entry / exit feature activat-
ed, the steering wheel tilts upwards and
the driver’s seat moves to the rear.
This allows easier entry into and exit from
the vehicle when the driver’s door is
opened. However, the engine must be
turned off.
When the SmartKey is inserted in the start-
er switch or you have pressed the
KEYLESS-GO* start / stop button once and
the driver’s door is closed, the steering
wheel and the driver’s seat return to their
last set positions.You can activate the following functions:
Steering column:
Only the steering column is adjusted.
Steering column and seat:
Both the steering column and the seat
are adjusted.
The easy-entry / exit feature can be
switched on or off in the in the settings
menu of the control system (
page 140).
Warning!
G
You must make sure that no one can be-
come trapped or injured by the moving
steering wheel and driver’s seat when the
easy-entry / exit feature is activated, the
driver’s door is being opened, and the en-
gine is turned off or the SmartKey removed
from the starter switch. Do not leave chil-
dren unattended in the vehicle, or with ac-
cess to an unlocked vehicle. Unsupervised
use of vehicle equipment may cause an ac-
cident and/or serious personal injury.
Page 97 of 384
97 Controls in detail
Seats
Head restraints
Information on head restraint adjustment
can be found in the “Getting started” sec-
tion (
page 36).Front seat head restraints
Removing front head restraints
Press switch1 upwards and hold until
the head restraint is fully extended.
Pull out head restraint.
Installing front head restraints:
Press switch1 upwards and hold for
about five seconds.
Push the head restraint down until it
engages.
Adjust head restraint to desired posi-
tion (
page 35).Rear seat head restraints
Folding rear head restraints back
Make sure the ignition is switched on.
All the lamps in the instrument cluster
should light up.
Warning!
G
For your protection, drive only with properly
positioned head restraints.
Adjust head restraint to support the back of
the head approximately at ear level.
Do not drive the vehicle without the seat
head restraints. Head restraints are intend-
ed to help reduce injuries during an acci-
dent.iTilt the seat backrest to the rear for
easier removal and installation of the
head restraints.
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.iYou can adjust the angle manually by
pulling or pushing the head restraints
by hand.
Page 98 of 384
98 Controls in detailSeats
Press switch1.
The rear head restraints will fold back-
ward.
Placing rear head restraints upright
Pull the rear head restraint upright until
it locks into position.Head restraint tilt
The rear head restraint angle can be ad-
justed manually.
Power head restraints, rear*
You can fold the rear head restraints back-
ward or upright using the head restraint
folding switch. The switch is located:
on the front center console:
Make sure the ignition is switched
on.
All the lamps in the instrument clus-
ter should light up
Press switch1 briefly.
The rear head restraints will fold
backward.
Press switch1 and hold.
The rear head restraints will fold up-
right.
on the rear center console:
Make sure the ignition is switched
on.
All the lamps in the instrument clus-
ter should light up
Push upper half1 of switch.
The rear head restraints will fold up-
right.
Push lower half2 of switch.
The rear head restraints will fold
down.
!Make sure that the head restraints en-
gage when adjusting them manually.
Otherwise, their protective function
cannot be assured.
Page 99 of 384
99 Controls in detail
Seats
Multicontour seat*
The multicontour seat has a movable seat
cushion and inflatable air cushions built
into the seat backrest to provide additional
lumbar and side support.
The seat cushion movement, seat backrest
cushion height and curvature can be con-
tinuously varied with regulators 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
Adjusting the multicontour seat in the or-
der listed above is recommended.
Make sure the ignition is switched on.
All lamps in the instrument cluster light
up.
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.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.
Page 102 of 384
102 Controls in detailSeatsSeat ventilation*
The switch is located on the door. Seat
ventilation can be activated manually with
the electronic key in starter switch posi-
tion 1 or 2, or by the summer opening fea-
ture (
page 171). The blue indicator
lamps on the switch show the ventilation
level selected:
1Seat ventilation switch
Make sure the ignition is switched on.
All lamps in the instrument cluster light
up.
Switching on seat ventilation
Press switch1.
Three blue indicator lamps above the
switch light up.
Continue pressing switch1 until the
desired seat ventilation level is
reached.Switching off seat ventilation
Press switch1 repeatedly until all indi-
cator 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 is automatically set
to the highest level if activated via sum-
mer opening feature (
page 171).
!If one or all of the lamps blink on the
seat ventilation switch, there is insuffi-
cient voltage due to too many electrical
consumers being switched on. The seat
ventilation switches off automatically.
The seat ventilation will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 103 of 384
103 Controls in detailSeats
Seat heating
Vehicles without seat ventilation*
The switch is located on the door.
1Normal heating
2Rapid heating
Make sure the ignition is switched on.
All the lamps in the instrument cluster
light up.Switching on seat heating
Press switch1.
A red indicator lamp above the switch
lights up.
Switching off seat heating
Press switch1 again.
Rapid seat heating mode
Press switch2.
Both red indicator lamps above the
switch light up. Switching off rapid seat heating mode
Press switch2 again.
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 indicator
lamp remains lit.
!If one or both of the lamps on the seat
heating switch are blinking, there is in-
sufficient voltage due to too many elec-
trical consumers being turned on. The
seat heating switches off automatical-
ly.
The seat heating will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 104 of 384
104 Controls in detailSeatsVehicles 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
Make sure the ignition is switched on.
All the lamps in the instrument cluster
light up.Switching on seat heating
Press switch1 twice.
A red indicator lamp above the switch
lights up.
Switching off seat heating
Press switch1 again.
Rapid seat heating
Press switch1 once.
Both indicator lamps above the switch
light up. Switching off rapid seat heating mode
Press switch position1 twice.
Level2
Two indicator lamps on
1
One indicator lamp on
off
No indicator lamp 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 indicator
lamp remains lit.
!If one or both of the lamps on the seat
heating switch are blinking, there is in-
sufficient voltage due to too many elec-
trical consumers are turned on. The
seat heating switches off automatical-
ly.
The seat heating will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 105 of 384
105 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 or KEYLESS-GO* card.
The following settings are saved for each
stored position:
Driver’s seat and seat backrest posi-
tion
Settings for multicontour seat*
Steering wheel position
Inside rear view mirror position
Exterior rear view mirror position
Automatic climate control
These key dependent memory settings can
be deactivated if desired (
page 140).
1, 2, 3 Stored position button
MMemory button
Make sure that the ignition is switched
on or the relevant door is open and the
SmartKey is inserted in the starter
switch.
!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 en-
sure adequate control, reach and com-
fort. The head restraint should also be
adjusted for proper height. Also see
“Airbag” section (
page 55) for proper
seat positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, opera-
tion and comfort. Both the inside and
outside rear view mirrors should be ad-
justed 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.