Page 105 of 474

104 Controls in detailSeatsRaising
Manually adjust the height of the head
restraint by pulling it upward.
If the head restraint is fully retracted,
press release button1 and pull the
head restraint out.
Lowering
To lower the head restraint, press
release button1 and press down on
the head restraint.Folding head restraints back
The rear seat head restraints can be folded
backward for increased visibility.
1Release button
Press release button1.
The head restraints will fold backward.
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.
Do not drive the vehicle without the seat
head restraints. Head restraints are intend-
ed to help reduce injuries during an acci-
dent.
Page 106 of 474

105 Controls in detailSeats
Placing head restraints upright
Pull the head restraint forward until it
locks into position.
Head restraint tilt
Two different head restraint angle posi-
tions are available.
Press the release button and tilt the
head restraint to the desired position.Removing and installing rear seat head
restraints
1Release button
Removing rear seat head restraints
Fold back head restraint (
page 104).
Pull head restraint to its highest posi-
tion.
Press release button1 and pull out
head restraint.
Installing rear seat head restraints
Insert head restraint and push it down
until it engages.
Press release button1 and adjust
head restraint to desired position.
Warning!
G
Make sure the head restraints engage when
placing them upright. Otherwise their pro-
tective function cannot be assured.
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.
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.
Page 107 of 474

106 Controls in detailSeatsSeat heating*
The switches for the front seats are locat-
ed in the center console.
1Seat heating switch
2Indicator lampsThe red indicator lamps2 on the switch
show the heating level selected:
Switch on the ignition (
page 33).Switching on seat heating
Press switch1 twice.
Three red indicator lamps2 in the
switch come on.
Continue pressing switch1 until
desired seat heating level is reached.
Switching off seat heating
Press switch1 repeatedly until all
indicator lamps2 go out.
Level3
Three indicator lamps on.
After approximately 5 minutes,
seat heating is automatically
switched to level 2.
2
Two indicator lamps on.
After approximately 10 minutes,
seat heating is automatically
switched to level 1.
1
One indicator lamp on.
After approximately 20 minutes,
seat heating is automatically
switched off.
off
No indicator lamp on.
iIf one or all of the indicator lamps2
on the seat heating switch are flashing,
there is insufficient voltage due to too
many electrical consumers are turned
on. The seat heating switches off
automatically.
The seat heating will switch back on
again automatically as soon as
sufficient voltage is available.
Page 108 of 474

107 Controls in detail
Memory function*
Memory function*
You can store up to three different settings
per SmartKey.
The following settings are saved for each
stored position:
Driver’s seat, backrest and head
restraint position
Steering wheel position
Exterior rear view mirror positions
These key-dependent memory settings
can be deactivated if desired. For informa-
tion on key-dependent memory settings,
see “Setting key-dependency”
(
page 149).The following settings are not
key-dependent. They are stored when
using the buttons on the passenger door:
Front passenger seat, backrest and
head restraint position.
!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 61) for
proper seat positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, opera-
tion and comfort. Both the interior and
exterior 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 109 of 474

108 Controls in detailMemory function*The memory button and memory position
switch are located on the door.
1Memory button
2Memory position switch
Switch on the ignition (
page 33).
or
Open the respective door and insert
the SmartKey in the starter switch.
Storing positions into memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the
desired position (
page 35).
Turn memory position switch2 to
selected memory position.
Press memory button1.
Release memory button1 and press
memory position switch2 within
three seconds.
All settings are stored at the selected
position.
Recalling positions from memory
Turn memory position switch2 to
selected memory position.
Press and hold memory position
switch2 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 excessively reclined position.
Doing so could cause damage to front
or rear seats.iReleasing the memory position switch
stops movement to the stored posi-
tions immediately.
Page 110 of 474

109 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 169).
1Adjustment button
2Passenger-side exterior rear view
mirror button
3Memory button
Stop the vehicle.
Switch on the ignition (
page 33).
Press button2.
The passenger-side exterior rear view
mirror is selected.
Adjust the exterior rear view mirror
with button1 so that you see the rear
wheel and the road curb.
Press memory button3 on the door.
Within three seconds, press bottom of
adjustment button1.
The parking position is stored if the
mirror does not move.
iYou can store a parking position for the
passenger-side exterior rear view mir-
ror for each SmartKey.
iIf the mirror does move, repeat the
above steps. After the setting is stored
you can move the mirror again.
Page 111 of 474

110 Controls in detailLightingFor more information on how to switch on
the headlamps and use the turn signals,
see “Switching on headlamps” (
page 51)
and “Turn signals”(
page 52).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.Exterior lamp switchMOff
Daytime running lamp mode
(
page 144)
UAutomatic headlamp mode
Daytime running lamp mode
(page 144)CParking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
Canada only: When engine is run-
ning, the low beam is also switched
on.
BLow beam headlamps (or high
beam headlamps when the combi-
nation switch pushed forward) and
parking lamps.
ˆStanding lamps, right (turn left one
stop)
‚Standing lamps, left (turn left two
stops)
‡Indicator lamp for front fog lamps
†Indicator lamp for rear fog lamp
iIf you drive in countries where vehicles
drive on the other side of the road than
the country where the vehicle is regis-
tered, you must have the headlamps
modified for symmetrical low beams.
Relevant information can be obtained
at an authorized Mercedes-Benz
Center.
Page 112 of 474

111 Controls in detail
Lighting
Manual headlamp mode
The low beam headlamps and parking
lamps can be switched on and off with the
exterior lamp switch.Automatic headlamp mode
The following lamps switch on and off
automatically depending on the brightness
of the ambient light:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
Turn exterior lamp switch to
positionU.
With the SmartKey in starter switch
position1, only the parking lamps will
switch on and off automatically.
When the engine is running, the low
beam headlamps, the tail and parking
lamps, the license plate lamps and the
side marker lamps will switch on and
off automatically.
iWith the SmartKey removed from the
starter switch and the driver’s door
open, while the parking lamps or low
beam headlamps are switched on,
a warning sounds
$ appears in the multifunction
display
the message
Switch off lights.
appears in the multifunction display
Warning!
G
If the exterior lamp switch is set toU,
the headlamps may switch off unexpect-
edly when the system senses bright am-
bient light, for example light from
oncoming traffic.
the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others, acti-
vate headlamps by turning exterior lamp
switch to B when driving or when traffic
and / or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from position U to B with the
vehicle at a standstill. Switching from U
to B will briefly switch off the head-
lamps. Doing so while driving in low ambient
lighting conditions may result in an acci-
dent.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle's lights at all
times.