Page 894 of 4133

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 895 of 4133
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 898 of 4133
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 914 of 4133

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 976 of 4133

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.
Page 980 of 4133

176 Controls in detailUseful featuresWhen the connection is established, the
message
ROADSIDE ASSISTANCE –
CALL CONNECTED
appears in the MCS dis-
play. The Tele Aid system will transmit data
generating the vehicle identification num-
ber, model, color and location (subject to
availability of cellular and GPS signals).
A voice connection between the Roadside
Assistance dispatcher and the occupants
of the vehicle will be established. When a
voice connection is established the audio
system mutes and the message
TELE AID
– ROADSIDE ASSISTANCE CALL ACTIVE
ap-
pears in the MCS display.
Describe the nature of the need for as-
sistance.The Mercedes-Benz Roadside assistance
dispatcher will either dispatch a qualified
Mercedes-Benz technician or arrange to
tow your vehicle to the nearest
Mercedes-Benz Light Truck Center. For
services such as labor and / or towing,
charges may apply. Refer to the Roadside
Assistance manual for more information.
These programs are only available in the
USA:
Sign and Drive services: Services such
as jump start, a few gallons of fuel or
the replacement of a flat tire with the
vehicle spare tire are obtainable,
Remote Vehicle Diagnostics: This func-
tion permits the Mercedes-Benz Road-
side Assistance dispatcher to
download malfunction codes and actu-
al vehicle data.
iWhile the call is connected you can
change to navigation menu by pressing
NAVI button on the MCS unit.
iThe indicator lamp in the Roadside As-
sistance button• remains illumi-
nated in red for approx. ten seconds
during the system self-check after turn-
ing the key in the steering lock to
position2 (together with the SOS but-
ton and the Information button¡).
See system self-check (
page 172)
when the indicator lamp does not light
up in red or stays on longer than ap-
proximately ten seconds.
Page 983 of 4133

179 Controls in detail
Useful features
Remote door unlock
In case you have locked your vehicle unin-
tentionally (e.g. key inside vehicle), and no
other key is available:
Contact the Mercedes-Benz Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
You will be asked to provide your pass-
word which you provided when you
completed the subscriber agreement.
Then return to your vehicle and pull
outside handle of the liftgate for mini-
mum of 20 seconds until the SOS but-
ton is flashing.
The message
EMERGENCY CALL –
CALL CONNECTED appears in the MCS
display.
As an alternative, you may unlock the vehi-
cle via Internet using the ID and password
sent to you shortly after the completion of
your acquaintance call.
!If the indicator lamp continues to flash
or the system does not reset, contact
the Response Center at
1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada), or
Mercedes-Benz Customer Assistance
at 1-800-FOR-MERCedes
(1-800-367-6372) in the USA or Cus-
tomer Service at 1-800-387-0100 in
Canada.iThe indicator lamp on the correspond-
ing button flashes until the call is con-
cluded. Calls can only be terminated by
a Response Center or Customer Assis-
tance Center representative, except
Roadside Assistance and Information
calls, which can also be terminated by
using the END button on the MCS unit.
iWhen a Tele Aid call has been initiated,
the MCS system audio is muted and
the selected mode (radio, tape or CD)
pauses. The optional cellular phone (if
installed) switches off. If you must use
this phone, the vehicle must be parked.
Disconnect the coiled cord and place
the call. The navigation system (if en-
gaged) will continue to run. A pop-up
window will appear in the MCS display
to indicate that a Tele Aid call is in
progress.
Page 984 of 4133

180 Controls in detailUseful featuresThe Response Center will then unlock your
vehicle with the remote door unlocking
feature.Stolen vehicle tracking services
In the event your vehicle was stolen:
Report the incident to the police
The police will issue a numbered inci-
dent report.
Pass this number on to the
Mercedes-Benz Response Center along
with your password issued to you when
you subscribed to the service.
The Response Center will then attempt
to covertly contact the vehicle’s Tele
Aid system. Once the vehicle is locat-
ed, the Response Center will contact
the local law enforcement and you. The
vehicle’s location will only be provided
to law enforcement.
Garage door opener
The built-in remote control is capable of
operating up to three separately controlled
devices, for example garage door openers,
gate openers, or other devices compatible
with HomeLink
® or some other systems.
You can program the signal transmitter
buttons.
iThe remote door unlock feature is avail-
able if the relevant cellular phone net-
work is available.
The SOS button will flash and the mes-
sage
EMERGENCY CALL –
CALL CONNECTED
will appear in the MCS
display to indicate receipt of the door
unlock command.
Once the vehicle is unlocked, a
Response Center specialist will at-
tempt to establish voice contact with
the vehicle occupants.
If the outside liftgate handle was pulled
for more than 20 seconds before door
unlock authorization was received by
the Response Center, you must wait
15 minutes before pressing the outside
liftgate handle again.