Page 105 of 417
104 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 and amount of
seat backrest cushion height and curva-
ture can be continuously varied with regu-
lators on the right side of the seat after
switching on ignition (
page 35).
1Seat cushion length
2Backrest bottom
3Backrest center
4Backrest side bolsters
Switch on the ignition (page 35).
Seat cushion length
Adjust the seat cushion to the length of
your upper leg using switch1.
Backrest contour
Adjust the contour of the backrest to
the desired position using switches2
and 3.
Backrest side bolsters
Adjust the backrest side bolsters so
that they provide good lateral support
using switch4.
Heated seats
Driver’s and front passenger seats
The switch is located in the center console.
1Normal heating
2Rapid heating
Switch on the ignition (page 35).
Page 106 of 417
105 Controls in detail
Seats
Switching on seat heating
Press upper switch position1.
A red indicator lamp on the switch
comes on.
Switching off seat heating
Press upper switch position1 again.Switching on rapid seat heating
Press lower switch position2.
Both red indicator lamps on the switch
come on.Switching off rapid seat heatingPress lower switch position2 again.
i
The seat heater will automatically
switch off after approximately
30 minutes.
i
The system switches over to normal
heating mode after approximately
five minutes. Only one indicator lamp
remains lit.
i
If one or both of the lamps on the seat
heater switch are flashing, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heater switches off auto-
matically.
The seat heater will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 107 of 417

106 Controls in detail
Seats
Rear seats
The switch is located on the B (center) pil-
lar.
1Normal heating
2Rapid heating
Switch on the ignition (page 35).Switching on seat heating
Press upper switch position1.
A red indicator lamp on the switch
comes on.
Switching off seat heating
Press upper switch position1 again.Switching on rapid seat heating
Press lower switch position2.
Both red indicator lamps on the switch
come on.
Switching off rapid seat heating
Press lower switch position2 again.
i
The seat heater will automatically
switch off after approximately
30 minutes.
i
The system switches over to normal
heating mode after approximately
5 minutes. Only one indicator lamp re-
mains lit.
i
If one or both of the lamps on the seat
heater switch are flashing, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heater switches off auto-
matically.
The seat heater will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 108 of 417

107 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.
The following settings are saved for each
stored position:
Driver’s seat and seat backrest posi-
tion, head restraint position
Steering wheel position
Driver’s side exterior rear view mirror
position
Passenger-side exterior rear view
mirror positionThe following settings are not key-depen-
dent. They are stored when using the but-
tons on the front passenger door:
Front passenger seat and backrest po-
sition, head restraint position.
These key-dependent memory settings
can be deactivated if desired
(
page 144).
!
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
ensure adequate control, reach and
comfort. The head restraint should also
be adjusted for proper height. See also
the section on airbags (
page 63) 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 417
108 Controls in detail
Memory function
1Memory button
2Stored position buttons
Switch on the ignition (page 35).
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 de-
sired position (
page 37).
Press memory button1.
Release memory button and push posi-
tion button2 within three seconds.
All the settings are stored at the select-
ed position.
Recalling positions from memory
Press and hold position button2 until
the seat, steering wheel and rear view
mirrors have fully moved to the stored
positions.
i
Releasing the button immediately
stops movement to the stored posi-
tions.
Warning!G
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.
First move seat backrest to an upright posi-
tion.
Page 110 of 417

109 Controls in detail
Memory function
Storing exterior rear view mirror park-
ing 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 164).
1Adjustment button
2Driver’s side mirror
3Passenger-side mirror
4Memory button
Switch on the ignition (page 35).
Press button3.
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 curb.
Press memory button4 on the door.
Within three seconds, press bottom of
adjustment button1 above the exteri-
or lamp switch.
The parking position is stored if the
mirror does not move.
i
You can store a parking position for the
passenger-side exterior rear view mir-
ror for each SmartKey using the memo-
ry switch.
i
If the mirror does move, repeat the
above steps. After the setting is stored
you can move the mirror again.
Page 111 of 417

110 Controls in detail
Lighting
For 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.MOff
Daytime running lamp mode
(
page 112)
UAutomatic headlamp mode
Daytime running lamp mode
(
page 112)
CParking lamps (also tail lamps,
license plate lamps, side marker
lamps, instrument panel lamps)
BLow beam headlamps (or high
beam headlamps when the combi-
nation switch is 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 lampi
If you drive in countries where vehicles
drive on the other side of the road than
the country in which the vehicle is reg-
istered, you must have the headlamps
modified for symmetrical low beams.
Relevant information can be obtained
at your authorized Mercedes-Benz
Light Truck Center.
Page 112 of 417

111 Controls in detail
Lighting
Manual headlamp mode
The low beam headlamps and the parking
lamps can be switched on and off with the
exterior lamp switch.
Automatic headlamp mode
The following lamps switch on and off au-
tomatically depending on the brightness of
the ambient light:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
Turn the 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.
i
With the SmartKey removed from the
starter switch and the driver’s door
open, a warning sounds if the parking
lamps or low beam headlamps are
switched on.
The message
TURN OFF LIGHTS! ap-
pears 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,
activate 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 in a safe loca-
tion. Switching from U to B will
briefly switch off the headlamps. Doing
so while driving in low ambient lighting
conditions may result in an accident.
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.