Page 145 of 561

144 Controls in detailMemory function*Prior to operating the vehicle, the driver
should check and adjust the seat height,
seat position fore and aft, and seat back-
rest angle if necessary, to ensure adequate
control, reach and comfort. The head re-
straint should also be adjusted for proper
height. See also the section on air bags
(page 71) for proper seat positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, operation
and comfort. Both the interior and exterior
rear view mirrors should be adjusted for
adequate rear vision.
Fasten seat belts. Infants and small chil-
dren should be seated in a properly se-
cured restraint system that complies with
U.S. Federal Motor Vehicle Safety Stan-
dard 213 and 225 and Canadian Motor Ve-
hicle Safety Standards 213 and 210.2.With the memory function you can store up
to three different settings for each front
seat.
The following settings are saved for each
stored position on the entry side of the
driver’s seat:
Driver’s seat, head restraint height and
backrest position
Steering wheel position
Driver’s side exterior rear view mirror
position
Passenger-side exterior rear view
mirror position
The following are saved for each stored po-
sition on the entry side of the front passen-
ger seat:
Front passenger seat, head restraint
height and backrest position
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 146 of 561

145 Controls in detail
Memory function*
The memory button and stored position
buttons are located on the entry side of
each front seat base.
MMemory button
1, 2, 3Stored positions
Switch on the ignition (
page 38).
or
Open the respective door.
Storing positions into memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the de-
sired position (
page 42).
Press memory buttonM.
Release memory button M and press
stored position 1, 2 or 3 within
3 seconds.
All settings are stored to the selected
position.
Recalling positions from memory
Press and hold memory position
button1,2 or3 until the seat, steering
wheel and exterior rear view mirrors
have fully moved to the stored posi-
tions.!Do not operate the power seats using
memory button M 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
position.iReleasing the memory position button
stops movement to the stored posi-
tions immediately.
Page 147 of 561

146 Controls in detailMemory function*Storing exterior rear view mirror parking position
For easier parking, you can adjust the
passenger-side exterior rear view mirror so
that you can see the right rear wheel as
soon as you engage reverse gearR.
You can switch the parking position fea-
ture on and off in the control system.
For information on activating the parking
position feature, see “Setting parking posi-
tion for exterior rear view mirror*”
(page 190).1Adjustment button
2Passenger-side exterior rear view mir-
ror
MMemory button
Stop the vehicle in a safe location.
Switch on the ignition (
page 38).
Press button2 on the door control
panel.
The passenger-side exterior rear view
mirror is selected. The indicator lamp
on button2 comes on.
Adjust the passenger-side exterior rear
view mirror with button1 so that you
see the rear wheel and the road curb.
Press memory buttonM.
Within 3 seconds, press adjustment
button1 once more.
The parking position is stored if the
mirror does not move.iIf the mirror does move, repeat the
above steps. After the setting is stored,
you can move the mirror again.
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.