Page 85 of 356

83 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
Removing the key from the steering lock
activates the immobilizer.
Deactivating
Turning the key in the steering lock to
position2 (
page 33) deactivates the im-
mobilizer.
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone:
opens a door
opens the liftgate
opens the hood
The alarm will stay on even if the activating
element (a door, for example) is immedi-
ately closed.
The alarm system will also be triggered
when
someone attempts to raise the vehicle
unlocking and opening the driver’s
door with the mechanical keyArming the alarm system
The alarm system is armed after locking
the vehicle with the remote control. The
turn signal lamps flash three times to indi-
cate that the alarm system is activated. A
red indicator lamp in the center console
will flash after approximately 10 seconds
when the alarm system is completely
armed (
page 27).
iIn case the engine cannot be started
(yet the vehicle’s battery is charged),
the system is not operational. Contact
an authorized Mercedes-Benz Light
Truck Center or call
1-800-FOR-MERCedes (in the USA), or
1-800-387-0100 (in Canada).
iIf the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid* system (
page 174) provid-
ed Tele Aid service was subscribed to
and properly activated, and that neces-
sary cellular service and GPS coverage
are available.
Page 89 of 356
87 Controls in detail
Locking and unlocking
Seats
Memory function*
Lighting
Instrument cluster
Automatic transmission
Transmission control – LOW RANGE mode
Good visibility
Automatic climate control
Power windows
Power tilt / sliding sunroof*
Driving systems
Loading
Useful features
Page 92 of 356

90 Controls in detailLocking and unlocking
Loss of remote control with folding key
If you lose a remote control or the folding
key, you should do the following:
Have the remote control deactivated
by an authorized Mercedes-Benz Light
Truck Center.
Report the loss of the remote control or
the folding key immediately to your car
insurance company.
If necessary have the mechanical lock
replaced.
Your authorized Mercedes-Benz Light
Truck Center will be glad to supply you
with a replacement.
Opening the doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Locking knob
2Inside door handle
Front doors
Pull on door handle2 on the respec-
tive front door to open door.
If door was locked, locking knob1 will
move up.
!If you can no longer lock or unlock the
vehicle with the remote control, then
the batteries in the remote control are
discharged, the remote control is mal-
functioning or the vehicle battery is
drained.
Check the batteries in the remote
control and replace them if neces-
sary (
page 273).
Use the folding key to unlock or
lock the driver’s door as required
(page 268).
Lock the liftgate if necessary from
inside (
page 91).
Check the vehicle battery
(page 272).
Synchronize the remote control
(page 273).
If the remote control is malfunctioning,
contact an authorized Mercedes-Benz
Light Truck Center.
Page 100 of 356
98 Controls in detailSeatsInstalling rear seat head restraints
Insert head restraint and push it down
to the stop.
Push release button1 and adjust
head restraint to the desired position
(page 37).
Stowing rear center head restraint
1Rear center head restraint
2Bar
3Clip
Remove rear center head restraint
(page 97).
If necessary, remove cargo floor plates,
see “Removing cargo floor plates”
(page 165).
Slide rear seats forward, see “Adjusting
rear seat fore and aft” (
page 100).
Fold rear seat backrests down, see
“Folding down the backrest”
(page 100).
From cargo compartment, attach rear
center head restraint1 to underside
of rear center seat.
Make sure front side of head
restraint1 is facing upward.
Press bar2 on both sides into
clips3.
Heated seats*
Both switches for the front seats are loca-
ted in the center console.
1Normal heating
2Rapid heating
Start the engine.
Switching on seat heating
Press upper switch position1.
A red indicator lamp on the switch
lights up.
Page 109 of 356
107 Controls in detail
Lighting
Lighting
For information on how to switch on the
headlamps and use the turn signals, see
the “Getting started” section (
page 50).
Combination switch
The combination switch is on the left of the
steering column.
1High beam
2High beam flasherDOff
Daytime running lamp mode
(Canada only) (
page 109)
UAutomatic headlamp mode
Daytime running lamp mode
(Canada only) (page 109)
CParking lamps (also tail lamps, li-
cense plate lamps, side marker
lamps, instrument panel lamps)
õLow beam headlamps (or high
beam headlamps when the combi-
nation switch is pushed forward)
and parking lamps
ƒLeft or right standing lamps
(symbol on underside of switch)
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 your authorized Mercedes-Benz
Light Truck Center.
Page 110 of 356

108 Controls in detailLightingManual headlamp mode
The low beam headlamps and the parking
lamps can be switched on and off with the
combination 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 combination switch to
positionU.
With the key in steering lock position1
only the parking lamps will switch on
and off automatically.
With 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.
They will be switched on constantly,
when you switch on the front fog
lamps.
iWith the key removed from the steering
lock and the driver’s door open, a warn-
ing sounds if the parking lamps or low
beam headlamps are switched on
(page 107).
Warning!
G
If the combination 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 combination
switch toõ when driving or when traffic
and / or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from positionU toõ with the
vehicle at a standstill. Switching
fromUtoõ 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 111 of 356

109 Controls in detail
Lighting
Daytime running lamp mode
Canada only:
Turn combination switch to
positionD orU.
When the engine is running, the low
beam headlamps are switched on.
In low ambient light conditions, the fol-
lowing lamps will switch on additional-
ly:
Tail and parking lamps
License plate lamps
Side marker lamp
For nighttime driving you should turn the
combination switch to positionõ to
permit activation of the high beam head-
lamps.
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 minutes delay.When the engine is running, and you
turn the combination switch to
positionC, the parking lamps
switch on additionally.
turn the combination switch to
positionõ, the manual headlamp
mode has priority over the daytime run-
ning lamp mode.
The corresponding exterior lamps
switch on (
page 107).Night security illumination
Use this function to set wether and how
long you would like the exterior lamps to il-
luminate during darkness after exiting the
vehicle and all doors closed.
When a time is set for the night security il-
lumination and the combination switch is
set to positionUbefore turning off the
engine, the following lamps will come on
after you have removed the key from the
steering lock:
Tail and parking lamps
License plate lamps
Side marker lamps
Front fog lamps
iWith the daytime running lamp mode
and the combination switch in
positionD, the high beam head-
lamps cannot be switched on.
The high beam flasher is always avail-
able.
iYou can reactivate this function within
ten minutes by opening a door.
If you do not open a door or do not
close an opened door after turning off
the engine, the lamps will automatically
switch off after 60 seconds.
Page 112 of 356

110 Controls in detailLightingSetting illumination time
1Fog lamps switch
Switch on ignition (
page 33).
Turn combination switch to
positionD.
Press and hold the upper part of fog
lamps switch1 until the clock in the
instrument cluster displays the actual
illumination time.
Release fog lamps switch1.
Press the upper part of fog lamps
switch1 again.
Each time the switch is pressed, the
illumination time increases by
15 seconds. You can set the illumina-
tion time between 0 (off) and
60 seconds.
The time is factory-set to 0 seconds.
Approximately five seconds after
pressing the switch, the illumination
time is adopted and the clock is dis-
played again.
Turn the combination switch to
positionU before turning off the en-
gine (
page 107).
The night security illumination is acti-
vated.Deactivating night security illumination
temporarily
You can temporarily deactivate the
delayed shut-off feature.
Before exiting the vehicle, turn the key
in the steering lock to position0.
Then turn it to position2 and back to
position0.
The delayed shut-off feature is deacti-
vated. It will reactivate as soon as you
reinsert the key in the steering lock.