Page 116 of 458

114 Controls in detailSeatsRemoving and installing front seat head restraints
For information on head restraint adjust-
ment, see “Seats” (
page 37).Front seat head restraints
1Head restraint height switch
Switch on ignition (
page 34).
or
Open the respective door.Removing front seat head restraints
Press switch1 upwards and hold until
the head restraint is fully extended.
Pull out head restraint.
Installing front seat 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 38).
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.iTilt the seat backrest to the rear for
easier removal and installation of the
head restraints.
Page 119 of 458
117 Controls in detailSeats
Lumbar support
You can adjust the contour of the seat’s
lumbar support to best support your spine.
The thumbwheels for the driver’s and front
passenger’s seat are located on the outer
side of the seat.
1Thumbwheel
Switch on 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 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 (
page 35) twice.1Shoulder region support
2Side bolster adjustment
3Massage function (PULSE)
4Lumbar region support
Switch on ignition (
page 34).
Shoulder region support
Press æ or ç on switch1.
The air cushion inflates or deflates.
Page 124 of 458

122 Controls in detailMemory function
You can store up to three different settings
per SmartKey or SmartKey with
KEYLESS-GO*.
The following settings are saved for each
stored position the driver's door:
Driver’s seat and seat backrest posi-
tion
Settings for multicontour seat*
Steering wheel position
Exterior rear view mirror position
Automatic climate control
These key-dependent memory settings
can be deactivated if desired. For informa-
tion on key-dependent memory settings,
see “Setting key-dependency”
(
page 163).The following settings are not key-depen-
dent. They are stored when using the but-
tons on the passenger door:
Front passenger seat, backrest and
head restraint position, and settings for
multicontour seat*
!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. See also the
section on air bags (
page 63) 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.
Page 158 of 458
156 Controls in detailControl systemThe table below shows what settings can
be changed within the various menus. De-
tailed instructions on making individual
settings can be found on the following pag-
es.INSTRUMENT CLUSTER
LIGHTING
VEHICLE
CONVENIENCE
Select temperature display
mode
Set daytime running lamp mode
(USA only)
Set automatic locking
Set key-dependency
Select multifunction display
mode
Set locator lighting
Limiting opening height of trunk
lid*
Activate easy-entry/exit feature
Select language
Exterior lamps delayed shut-off
Set parking position for exterior
rear view mirrors
Select tire inflation pressure
unit
Interior lighting delayed shut-off
Set fold-in function for exterior
rear view mirrors
Page 164 of 458

162 Controls in detailControl system
Press buttonj ork repeatedly
until you see this message in the multi-
function display:
INTERIOR LIGHTING
DELAYED SWITCH-OFF
.
The selection marker is on the current
setting.
Pressæ orç to select the de-
sired lamp-on time period. You can se-
lect:
0 SEC.
, the delayed switch-off fea-
ture is deactivated.
5 SEC.,
10 SEC.
, 15 SEC.,
or
20 SEC.
, the delayed switch-off fea-
ture is activated.Vehicle submenu
Access the
VEHICLE
submenu via the
SET-
INGS
menu. Use the
VEHICLE
submenu to
make general vehicle settings. The follow-
ing functions are available:Setting automatic locking
Use this function to activate or deactivate
the automatic central locking. With the au-
tomatic central locking system activated,
the vehicle is centrally locked at vehicle
speeds of approximately 9 mph
(15 km/h).
Press buttonæ orç to move
the selection marker to the
VEHICLE
submenu.
Press buttonj ork repeatedly
until you see this message in the multi-
function display:
AUTOMATIC DOOR LOCK
.
The selection marker is on the current
setting.
Pressæ orç to switch AUTOMATIC DOOR LOCK
ON or
OFF
.
Function
Page
Set automatic locking
162
Limiting opening height of trunk
lid*
163
Page 165 of 458

163 Controls in detail
Control system
Limiting opening height of trunk lid*
This function is available on vehicles with
the trunk lid opening/closing system*.
Use this function to activate or deactivate
the limiting opening height of trunk lid.
Move the selection marker with
theæ orç button to
VEHICLE
submenu.
Press buttonj ork repeatedly
until you see this message in the multi-
function display:OPENING LIMITER
TRUNK LIDThe selection marker is on the current
setting.
Press buttonæ orç to switch
the opening limiter for trunk lid
ON
or
OFF
.Convenience submenu
Access the
CONVENIENCE
submenu via the
SETTINGS
menu. Use the
CONVENIENCE
sub-
menu to change the settings for a number
of convenience features. The following
functions are available:Setting key-dependency
Use this function to set whether the mem-
ory settings for the seats, the steering
wheel, the mirrors, and the automatic cli-
mate control should be stored separately
for each SmartKey (
page 122).
Move the selection marker with
theæ orç button to
the
CONVENIENCE
submenu.
Press buttonj ork repeatedly
until you see this message in the multi-
function display:
SETTINGS KEY-DEPEN-
DENT
.
The selection marker is on the current
setting.
Pressæ orç to set key-depen-
dency to
ON or
OFF
.
Function
Page
Setting key-dependency
163
Activating easy-entry/exit fea-
ture
164
Setting parking position for exte-
rior rear view mirrors
165
Setting fold-in function for exteri-
or rear view mirrors
165
Page 223 of 458
221 Controls in detail
Driving systems
Active Body Control (ABC)
The ABC system automatically selects the
optimum suspension tuning and ride
height for your vehicle.
Suspension tuning
The suspension tuning is set according to:
your driving style
road surface conditions
the vehicle loading
your choice of suspension style,
“sporty” or “regular”, which you select
using the ABC button
The selected suspension style is stored
in memory, even after the SmartKey is
removed from the starter switch.The ABC button with the indicator lamps is
located on the upper part of the front cen-
ter console.
1ABC button
2Indicator lamp
Start the engine.Suspension for sporty driving
The setting for sporty driving is selected
when indicator lamp2 is illuminated.
Press button1.
Indicator lamp2 comes on.
Suspension for regular driving
The setting for regular driving is selected
when indicator lamp2 is off.
Press button1.
Indicator lamp2 goes out.
Page 224 of 458
222 Controls in detailDriving systemsVehicle level control
Your vehicle automatically adjusts its ride
height to
reduce fuel consumption
increase vehicle safety
The vehicle chassis ride height is raised or
lowered according to the selected level
setting and to the vehicle speed:
With increasing speed, ride height is re-
duced by up to approximately 0.95 in
(24 mm).
With decreasing speed, the ride height
is again raised to the selected vehicle
level.Select the level 1 and 2 settings only when
required by current driving conditions.
Otherwise
Fuel consumption may increase
Handling may be impairediThese height adjustments are so small
that you may not notice any change.Warning!
G
To help avoid personal injury, keep hands
and feet away from wheel housing area, and
stay away from under the vehicle when low-
ering the vehicle chassis.