Page 140 of 561

139 Controls in detailSeats
To move seat backrest back, lean
lightly against backrest.
To move seat backrest forward, lean
forward with handle 1 pulled.
The seat backrest will move forward
against your back.
Release handle 1 when the seat back-
rest has reached the desired position.
To make sure the seat backrest has en-
gaged, lean firmly against the backrest.Head restraint height
Second-row seat head restraint1Head restraint
2Release buttonRaising:
Manually adjust the height of head
restraint 1 by pulling it upward to the
desired position.
Lowering:
To lower head restraint 1, push
release button2 and press down on
head restraint 1.
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.
iThe third-row seat head restraints are
adjusted in the same manner.iThe tilt of the second-row head re-
straints is adjusted in the same manner
as the front-seat head restraints, see
“Head restraint tilt” (
page 45).
The tilt of the third-row head restraints
cannot be adjusted.
Page 142 of 561

141 Controls in detailSeats
Installing head restraints
Insert head restraint 1 into openings
on the seat backrest.
Push head restraint 1 down until it au-
dibly engages.
Push release button2 and adjust
head restraint 1 to the desired posi-
tion (
page 139).Armrests
The second-row seat armrests can be fold-
ed up, when loading for example, and ad-
justed.
Folding up
Move the armrest into a vertical posi-
tion until it engages.
Adjusting
With the armrest folded up, disengage
the armrest by pushing it towards the
rear slightly.
Fold the armrest down to the lowest
and then to the desired position until it
engages.
To readjust the armrest to a higher
position, move armrest up to the
desired position until it engages.
Seat heating*
Front-seat heating
The switches for front-seat heating are lo-
cated in the center console. The red indica-
tor lamps in the switch come on to show
which heating level you have selected.
iOn the second-row seats, the guide bar
with the detent must be on the left.
iIf you wish to readjust the armrest to a
lower position, you must first fold up
the armrest again and repeat the steps
above.
Page 148 of 561

147 Controls in detail
Lighting
Lighting
For information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 58)
and “Turn signals” (
page 58).
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 149)
UAutomatic headlamp mode
Daytime running lamp mode
(page 148)
CParking lamps (also tail lamps,
license plate lamps, side marker
lamps, instrument panel lamps)
BLow beam headlamps (or high
beam headlamps when the
combination 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 lamp
iIf 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 any authorized Mercedes-Benz Light
Truck Center.iVehicles equipped with active
Bi-Xenon* headlamps:
The active Bi-Xenon* headlamps moni-
tor the vehicles steering angle, then au-
tomatically shift their beams to either
side to better follow the curvature of
the road ahead, increasing usable illu-
mination over conventional headlamps.
Page 149 of 561

148 Controls in detailLighting
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
iWith 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
Switch off lights
appears in the multifunction display.
iWith the daytime running lamp mode
activated and the engine running, the
low beam headlamps cannot be
switched off manually.
For information on how to activate the
daytime running lamp mode, see “Day-
time running lamp mode”
(page 149).
Warning!
G
If the exterior lamp switch is set toU,
the headlamps may switch off unexpect-
edly when the system senses bright
ambient 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 toB when driving or when traffic
and/or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from positionU toB with the
vehicle at a standstill in a safe location.
Switching fromUtoB 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.
Page 150 of 561

149 Controls in detail
Lighting
Turn the exterior lamp switch to
positionU.
With the starter switch in position1
(page 38), 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.Daytime running lamp mode
Turn the exterior lamp switch to
positionM orU.
When the engine is running, the low beam
headlamps are switched on.
In low ambient light conditions, the
following lamps will switch on additionally:
Tail and parking lamps
License plate lamps
Side marker lamps
For nighttime driving you should turn the
exterior lamp switch to positionB to
permit activation of the high beam head-
lamps.Canada only
The daytime running lamp mode is manda-
tory and therefore in a constant mode.
When the engine is running and you shift
from a driving position to positionN orP,
the low beam headlamps will switch off
with a three-minute delay.
When the engine is running and you
turn the exterior lamp switch to
positionC, the parking lamps
switch on additionally
turn the exterior lamp switch to
positionB, the manual headlamp
mode has priority over the daytime
running lamp mode
The corresponding exterior lamps
switch on (
page 58).
iWith the daytime running lamp mode
activated and the exterior lamp switch
in positionM, the high beam head-
lamps cannot be switched on.
The high beam flasher is available at all
times.
Page 151 of 561

150 Controls in detailLightingUSA only
By default, the daytime running lamp mode
is deactivated. Activate the daytime
running lamp mode using the control
system, see “Setting daytime running lamp
mode (USA only)” (
page 182).
When the engine is running, and you turn
the exterior lamp switch to positionC
orB, the manual headlamp mode has
priority over the daytime running lamp
mode.
The corresponding exterior lamps switch
on (
page 58).
Locator lighting and night security
illumination
The locator lighting and the night security
illumination are described in the “Control
system” section, see “Setting locator light-
ing” (page 183) and “Setting night secu-
rity illumination” (
page 184).Fog lamps
Warning!
G
In low ambient lighting or foggy conditions,
only switch from positionU toB with
the vehicle at a standstill in a safe location.
Switching fromU toB will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.iFog lamps will operate with the parking
lamps and/or the low beam headlamps
on. Fog lamps should only be used in
conjunction with low beam headlamps.
Consult your State or Province Motor
Vehicle Regulations regarding permis-
sible lamp operation.
iFog lamps cannot be switched on with
the exterior lamp switch in
positionU. For switching on the fog
lamps, turn the exterior lamp switch to
positionB first.
Page 152 of 561

151 Controls in detail
Lighting
Front fog lamps*
Switch on the low beam headlamps
(page 58).
Pull out the exterior lamp switch to first
stop.
The front fog lamps switch on.
The green indicator lamp‡ in the
exterior lamp switch comes on
(page 147).
Push in the exterior lamp switch.
The front fog lamps switch off.
The green indicator lamp‡ in the
exterior lamp switch goes out.Rear fog lamp (driver’s side only)
Pull out the exterior lamp switch to
second stop.
The rear fog lamp switches on.
The yellow indicator lamp† in the
exterior lamp switch comes on
(page 147).
Push in the exterior lamp switch to first
stop.
The rear fog lamp switches off.
The yellow indicator lamp† in the
exterior lamp switch goes out.
The front fog lamps* remain lit.
Combination switch
The combination switch is located on the
left of the steering column.
1High beam
2High beam flasher
High beam
Turn the exterior lamp switch to
positionB orU (
page 147).
iIf so equipped, the front fog lamps* will
also switch on.
Page 153 of 561

152 Controls in detailLighting
Push the combination switch in
direction of arrow1 to switch on the
high beam.
The high beam headlamp indicator
lampA in the instrument cluster
comes on (
page 24).
Pull the combination switch in direction
of arrow2 to its original position to
switch off the high beam.
The high beam headlamp indicator
lampA in the instrument cluster
goes out.
High beam flasher
Pull the combination switch briefly in
direction of arrow2.
Corner-illuminating front fog lamps*
The corner-illuminating front fog lamps im-
prove illumination of the road into which
you are turning.
The corner-illuminating front fog lamps will
operate with the engine running and with
the exterior lamp switch in
positionB (
page 147)
or
the exterior lamp switch in
positionU (
page 147)
or
the daytime running lamp mode
activated (
page 149)Driving forward
Switching on corner-illuminating front
fog lamps
Depending on whether you are turning
left or right, switch on the left or right
turn signal (
page 58).
The respective front fog lamp comes on
and illuminates the road onto which
you are turning.
iCorner-illuminating front fog lamps will
only come on in low ambient lighting
conditions.
The corner-illuminating front fog lamps
function is not available at a vehicle
speed above 25 mph (40 km/h).
iThe corner-illuminating front fog lamps
will come on automatically depending
on the steering angle, even if you did
not switch on either turn signal. If the
corner-illuminating front fog lamps
came on automatically, they will also
go out automatically depending on the
steering angle.