Page 86 of 344
86 Safety and SecurityAnti-theft systemsVehicles without trip computer
The buttons are located in the overhead
control panel.
1Switching off tow-away alarm and glass
breakage sensor
Turn key in steering lock to position2
(page 33).
Return key to position0 and remove it
from the steering lock.
Within 30 seconds press button1 on
the right or left side.
Exit vehicle and lock vehicle with
remote control (
page 32).
The tow-away alarm and glass breakage
sensor remain switched off until the key is
inserted in steering lock and turned to
position1.Canceling the alarm
To cancel the alarm:
Switch on the ignition by turning the
key in the steering lock to position2.
or
Press theŒ or ‹button on the
remote control.
The alarm is canceled.
Page 88 of 344

88 Controls in detailLocking and unlocking
In the “Controls in detail” section you will
find detailed information on how to ope-
rate the equipment installed in your vehi-
cle. If you are already familiar with the ba-
sic functions of your vehicle, this section
will be of particular interest to you.
To quickly familiarize yourself with the ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are
given at the beginning of each segment.
Locking and unlocking
Remote control with folding key
Your vehicle comes supplied with two
remote controls with folding key.
The remote control provides an extended
operating range. To prevent theft,
however, it is advisable to only unlock the
vehicle when you are in close proximity to
it.
The key centrally locks and unlocks:
the doors
the liftgate
the fuel filler flap1ÂPanic button (
page 75)
2ŒUnlock button
3‹Lock button
4Release button for key
5ŠUnlock button for liftgate
iIf the key is inserted in the steering
lock, the vehicle cannot be locked or
unlocked with the remote control.
!To prevent possible malfunction, avoid
exposing the remote control to high
levels of electromagnetic radiation.
Page 89 of 344

89 Controls in detail
Locking and unlocking
Unlocking
Unlocking the driver’s door and fuel
filler flap
Press buttonŒ once.
All turn signal lamps flash once to indi-
cate that the driver’s door and the fuel
filler flap are unlocked.Global unlocking
Press buttonŒ twice.
All turn signal lamps flash once to indi-
cate that all doors, fuel filler flap and
liftgate are unlocked.
Unlocking the liftgate
Press buttonŠ.
Only the liftgate unlocks.
Locking
Press button‹ once.
All turn signal lamps flash three times
to indicate that all doors, the liftgate
and the fuel filler flap are locked.
iUnlocking the vehicle with the remote
control deactivates the anti-theft
alarm.
The vehicle will lock again automatical-
ly and reactivate the anti-theft system
within approximately 40 seconds of un-
locking if neither door nor liftgate is
opened.
iLocking the vehicle with the remote
control activates the anti-theft alarm.
iIf the turn signal lamps do not flash
three times, one of the following ele-
ments may not be properly closed:
a door
the liftgate
the hood
Close the respective element and lock
the vehicle again.
Warning!
G
When leaving the vehicle, always remove the
key from the steering lock, and lock your ve-
hicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and / or seri-
ous personal injury.
Page 90 of 344

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
Pull on door handle2.
If a 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 262).
Use the folding key to unlock or
lock the doors and the liftgate.
Check the vehicle battery
(page 278).
Synchronize the remote control
(page 263).
If the remote control is malfunctioning,
contact an authorized Mercedes-Benz
Light Truck Center.
Page 91 of 344
91 Controls in detail
Locking and unlocking
Opening the liftgate
Opening the liftgate from outside
A minimum height clearance of 7 ft
(2.15 m) is required to open the liftgate.
The handle is located above the rear
license plate recess.
1Grip molding
2Handle
Pull on handle2.
Swing the liftgate upward by using the
grip molding.Opening the liftgate from inside
A minimum height clearance of 7 ft
(2.15 m) is required to open the liftgate.
The release lever is located on the inside of
the liftgate.
1Handle
2Catch
iIf the vehicle has previously been
locked from the outside with the re-
mote control, opening a door from the
inside will trigger the alarm.
To cancel the alarm, do one of the
following:
Switch on the ignition by turning the
key in the steering lock to position2.
or
Press the‹ or Œbutton on the
remote control.
The alarm is cancelled.
!Always make sure that there is suffi-
cient overhead clearance.iThe vehicle must be unlocked.
Page 94 of 344
94 Controls in detailLocking and unlockingLocking and unlocking from the inside
You can lock or unlock the doors and the
tailgate from inside using the central lock-
ing switch. This can be useful, for example,
if you want to lock the vehicle before start-
ing to drive.Locking
Press upper part1 of central locking
button (
page 93).
If all the doors are closed, the vehicle
locks.
Unlocking
Press lower part2 of central locking
button (
page 93).
The vehicle unlocks.
Warning!
G
When leaving the vehicle, always remove the
key from the steering lock and lock the vehi-
cle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehi-
cle. Unsupervised use of vehicle equipment
may cause an accident and / or serious per-
sonal injury.
iYou can open a locked door from the
inside. Open door only when conditions
are safe to do so.
If the vehicle was previously centrally
locked using the remote control, it will
not unlock using the central locking
switch.
Page 110 of 344

110 Controls in detailLighting
Stop the vehicle.
Make sure the ignition is switched on.
All the lamps in the instrument cluster
light up.
Turn combination switch to
positionM.
Press upper part1 of switch until the
clock, located in the instrument clus-
ter, displays the actual illumination
time.
Press upper part1 of switch 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.
Approximately five seconds after pressing
the switch, the illumination time is set and
the clock is displayed again.Locator lighting
During darkness, the following lamps will
come on when the vehicle is unlocked by
remote control:
Parking lamps
Tail lamps
License plate lamps
Front fog lamps
The combination switch must be set to
positionU (
page 107).
The locator lighting switches off when the
driver’s door is opened. It switches off au-
tomatically after a period of approximately
40 seconds.Switching on high beams
Turn the combination switch
toõ(
page 107).
Push the combination switch forward.
The high beam indicatorA in the
instrument cluster comes on.
High beam flasher
Pull the combination switch briefly in
direction2.
Page 172 of 344

172 Controls in detailUseful featuresThe Tele Aid system
(Telematic Alarm Identification on
Demand)
The Tele Aid system consists of three
types of response:
automatic and manual emergency
roadside assistance and
information.
The Tele Aid system is operational provid-
ing that the vehicle’s battery is charged,
properly connected, not damaged and cel-
lular and GPS coverage is available.
The speaker volume of a Tele Aid call can
be adjusted using the volume control on
the MCS unit.
To activate, press the SOS button, the
Roadside Assistance button• or
the Information button¡, depend-
ing on the type of response required.Shortly after the completion of your ac-
quaintance call, you will receive a user ID
and password via first call mail. By visiting
www.mbusa.com and selecting “Tele Aid”
(USA only), you will have access to account
information, remote door unlock, profile
and more.System self-check
Initially, after turning the key in the steer-
ing lock to position2, malfunctions are de-
tected and indicated (the indicator lamps
in the SOS button, the Roadside Assis-
tance button• and the Information
button¡ stay on longer than
10 seconds or do not come on). The mes-
sage
TELE AID - VISIT WORKSHOP
ap-
pears for approx. 10 seconds in the MCS
display.
iThe SOS button, the Roadside Assis-
tance button• and the Information
button¡ are located in the over-
head control panel.!The Tele Aid system utilizes the cellular
network for communication and the
GPS (G
lobal P
ositioning S
ystem) satel-
lites for vehicle location. If either of
these signals are unavailable, the Tele
Aid system may not function and if this
occurs, assistance must be summoned
by other means.