190 Controls in detail
Climate control
Activating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
Press button9 (page 183) once
more.
The indicator lamp on the button
comes on.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
Residual heat and ventilation
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes. This feature makes
use of the residual heat produced by the
engine.Activating
Turn the SmartKey in the starter switch
to position0 or1 (
page 39).
or
Remove the SmartKey from the starter
switch.
Press button9 (page 183).
The indicator lamp on the button
comes on.
Deactivating
Press button9 (page 183) once
more.
The indicator lamp on the button goes
out.!If the air conditioning cannot be turned on
again, this indicates that the air conditioning is
losing refrigerant. The compressor has turned
itself off.
Have the air conditioning checked at the nearest
authorized Mercedes-Benz Light Truck Center.
iHow long the system will provide heating
depends on
the coolant temperature
the battery voltage
Regardless of the temperature and air volume
set on the climate control panel, an interior
temperature is aimed at by 72°F (22°C) and the
blower runs on low speed to protect the vehicle
battery.
iThe residual heat is automatically turned off:
when the ignition is switched on
after about 30 minutes
if the coolant temperature is too low
if the battery voltage drops
223 Controls in detail
Useful features
Electrical outlet
Power outlets are located
in the front passenger footwell
(
page 223)
in the rear passenger footwell
(
page 224)
on the left-hand side of the cargo
compartment (
page 224)Power outlet in front passenger
footwell
Switch on the ignition (page 39).
Flip up cover and insert electrical plug
(cigarette lighter type).
!The lighter socket can accommodate
12 V DC electrical accessories (up to a maxi-
mum of 180 W) designed for use with the stan-
dard “cigarette lighter” plug type. Keep in mind,
however, that connecting accessories to the
lighter socket (for example extensive connecting
and disconnecting, or using plugs that do not fit
properly) can damage the lighter socket. With
the socket damaged, the lighter may no longer
be able to be placed in the heating (pushed-in)
position, or the lighter may pop out too early with
the lighter not hot enough.
To help avoid damaging the cigarette lighter
socket, we recommend connecting 12 V DC
electrical accessories designed for use with the
standard “cigarette lighter” plug type to the 12 V
power outlets (
page 223) in your vehicle
whenever possible.
iIf the engine is off, and the cigarette lighter
is being used extensively, the vehicle battery
may become discharged.
!If you use all power outlets in the vehicle,
make sure that the maximum current drawn
does not exceed 15 A.
iThe power outlets can be used to
accommodate 12 V DC electrical accessories
(e.g. auxiliary lamps) up to a maximum of 180 W.
If the engine is off, the battery may become
discharged if used for long periods of time.
N
227 Controls in detail
Useful features
Please note that these functions are only
available with Mercedes-Benz approved
mobile phones. Please contact an
authorized Mercedes-Benz Light Truck
Center for information on features avail-
able for your mobile phone of choice.
The cradle is located in the armrest.
Open the telephone tray (page 216).
Inserting mobile phone in mobile phone
cradle
Once the mobile phone has been inserted
in the mobile phone cradle, you have to
use the hands-free device to respond
during phone calls.
If applicable, remove the cover for the
external antenna connection from the
back of the mobile phone and store it in
a s a f e p l a c e . B e s u r e t o c o m p l y w i t h t h e
mobile phone’s operating instructions
as well.
Example illustration
1Inserting the mobile phone
2Connector contact
3Mobile phone cradle
Slide the lower end of the mobile phone
into connector contact2 on
cradle3.
Push the top of the mobile phone in
direction of arrow 1, until the lug on
the mobile phone release button
engages.
The mobile phone is connected to the
network via the external antenna.
The mobile phone is linked to the
hands-free device and the multi-
function steering wheel.
The battery is charged depending on its
charge status and the position of the
SmartKey in the starter switch. The
charge procedure will be indicated in
the mobile phone’s display.
You can place or receive phone calls. You
can control other functions of the mobile
phone via the control system
(
page 159), the Voice Control System*
(see separate operating instructions), or
the COMAND system (see separate oper-
ating instructions).
!Do not try to remove the mobile phone along
with the cradle. You could otherwise damage the
mobile phone cradle.
229 Controls in detail
Useful features
Tele Aid
Shortly after the completion of your
Tele Aid acquaintance call, you will receive
a user ID and password. By visiting
www.mbusa.com and selecting “Tele Aid”
(USA only), you will have access to account
information, remote door unlock and
more.The Tele Aid system
(Tele
matic Alarm Identification on
D
emand)
The Tele Aid system consists of three
types of response:
automatic and manual emergency
roadside assistance
information
The Tele Aid system is operational provid-
ing that the vehicle’s battery is charged,
properly connected, not damaged and
cellular and GPS coverage are available.
The speaker volume of a Tele Aid call can
be adjusted by using the volume control on
the COMAND system headunit or on the
multifunction steering wheel. To raise, turn
the rotary volume control on the COMAND
system headunit clockwise or press
buttonæ on the multifunction steering
wheel. To lower, turn the rotary volume
control on the COMAND system headunit
counterclockwise or press buttonç on
the multifunction steering wheel.
To activate, press the SOS button, the
Roadside Assistance button• or
the Information button¡, depend-
ing on the type of response required.
!The initial activation of the Tele Aid system
may only be performed by completing the sub-
scriber agreement and placing an acquaintance
call using the Information button¡. Failure
to complete either of these steps will result in a
system that is not activated.
If you have any questions regarding activation,
please call the Response Center at
1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada).
iThe SOS button is located in the overhead
control panel (
page 231).
The Roadside Assistance button•
(
page 232) and the Information button¡
(
page 233) are located below the center
armrest cover.
!The Tele Aid system utilizes the cellular
network for communication and the GPS
(G
lobal Positioning System) satellites for vehicle
location. If either of these signals are unavail-
able, the Tele Aid system may not function and if
this occurs, assistance must be summoned by
other means.
231 Controls in detail
Useful features
A voice connection between the Response
Center and the occupants of the vehicle
will be established automatically soon
after the emergency call has been
initiated. The Response Center will
attempt to determine more precisely the
nature of the accident provided they can
speak to an occupant of the vehicle.
The Tele Aid system is available if
it has been activated and is
operational. Activation requires a
subscription for monitoring services,
connection and cellular air time
vehicle battery power is available
the relevant cellular phone network
and GPS signals are available and pass
the information on to the Response
CenterInitiating an emergency call manually
1Cover
2SOS button
Briefly press on cover1.
The cover opens.
Press SOS button2 briefly.
The indicator lamp in SOS button2
will flash until the emergency call is
concluded.iLocation of the vehicle on a map is only
possible if the vehicle is able to receive signals
from the GPS satellite network and pass the
information on to the Response Center.
Warning!G
If the indicator lamp in the SOS button is
flashing continuously and there was no
voice connection to the Response Center
established, then the Tele Aid system could
not initiate an emergency call (e.g. the rele-
vant cellular phone network is not available).
The message
Call failed appears in the
multifunction display for approximately
10 seconds.
Should this occur, assistance must be
summoned by other means.
241 Controls in detail
Useful features
Programming tips
If you are having difficulty programming
the integrated remote control, here are
some helpful tips:
Check the frequency of hand-held
remote control5 (typically located on
the reverse side of the remote). The
integrated remote control is compati-
ble with radio-frequency devices oper-
ating between 280-390 MHz.
Put a new battery in hand-held remote
control5. This will increase the
likelihood of the hand-held remote con-
trol sending a faster and more accurate
signal to the integrated remote control.
While performing step 3, hold
hand-held remote control5 at
different lengths and angles from the
signal transmitter button (2, 3 or4)
you are programming. Attempt varying
angles at the distance of 2 to 5 in
(5 to 12 cm) away or the same angle at
varying distances.
If another hand-held remote control is
available for the same device, try the
programming steps again using that
other hand-held remote control. Make
sure new batteries are in the hand-held
remote control before beginning the
procedure.
Straighten the antenna wire from the
garage door opener assembly. This
may help improve transmitting and/or
receiving signals.
iCertain types of garage door openers are
incompatible with the integrated remote control.
If you should experience further difficulties with
programming the integrated remote control,
contact an authorized Mercedes-Benz Light
Truck Center, or call Mercedes-Benz Customer
Assistance Center (in the USA only) at
1-800-FOR-MERCedes, or Customer Service
(in Canada) at 1-800-387-0100.
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful inter-
ference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iCanada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
306 Operation
Tires and wheels
Production options weight
The combined weight of those installed
regular production options weighing over
5 lbs (2.3 kilograms) in excess of those
standard items which they replace, not
previously considered in curb weight or
accessory weight, including heavy duty
brakes, ride levelers, heavy duty battery,
and special trim.
PSI (P
ounds per square inch)
A standard unit of measure for air pressure
-> bar, kilopascal (kPa).
Recommended tire inflation pressure
Recommended tire inflation pressure for
normal driving conditions is listed on the
Tire and Loading Information placard locat-
ed on the driver’s door B-pillar. Provides
best handling, tread life and riding com-
fort. If so equipped, supplemental informa-
tion pertaining to special driving situations
can be found on the tire inflation pressure
label on the inside of the fuel filler flap.Rim
A metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated.
Sidewall
The portion of a tire between the tread and
the bead.
TIN (Tire Identification Number)
Unique identifier which facilitates efforts
by tire manufacturers to notify purchasers
in recall situations or other safety matters
concerning tires and gives purchases the
means to easily identify such tires. The TIN
is comprised of “Manufacturer’s identifi-
cation mark”, “Tire size”, “Tire type code”
and “Date of manufacture”.
Tire load rating
Numerical code associated with the
maximum load a tire can support.Tire ply composition and material used
This indicates the number of plies or the
number of layers of rubber-coated fabric in
the tire tread and sidewall. Tire manufac-
turers also must indicate the ply materials
in the tire and sidewall, which include
steel, nylon, polyester, and others.
Tire speed rating
Part of tire designation; indicates the
speed range for which a tire is approved.
Total load limit
Rated cargo and luggage load plus
68 kilograms (150 lbs) times the vehicle’s
designated seating capacity.
309 Operation
Winter driving
Winter driving
Before the onset of winter, have your
vehicle winterized at an authorized
Mercedes-Benz Light Truck Center. This
service includes:
Check of anticorrosion and antifreeze
concentration.
Addition of cleaning concentrate to the
water of the windshield and headlamp
cleaning system. Add MB Concentrate
“MB SummerFit” to a premixed wind-
shield washer solvent/antifreeze
which is formulated for below freezing
temperatures (
page 430).
Battery test. Battery capacity drops
with decreasing ambient temperature.
A well charged battery helps to make
sure that the engine can be started,
even at low ambient temperatures.
Tire change. Mercedes-Benz recom-
mends M+S rated radial-ply tires with a
minimum tread depth of approximately
1/6in (4 mm) on all four wheels for the
winter season.
Winter tires
Always use winter tires at temperatures
below 45°F (7°C) and whenever wintry
road conditions prevail. Not all M+S rated
tires provide special winter performance.
Make sure the tires you use show M+S and
the mountain/snowflake marking. on
the tire sidewall. These tires meet specific
snow traction performance requirements
of the Rubber Manufacturers Association
(RMA) and the Rubber Association of
Canada (RAC) and have been designed
specifically for use in snow conditions.
Using winter tires is the only way to
achieve the maximum effectiveness of the
ABS, ESP
® and 4-ETS in winter operation.
For safe handling, make sure all mounted
winter tires are of the same make and have
the same tread design.Always observe the speed rating of the
winter tires installed on your vehicle. If the
maximum speed for which your tires are
rated is below the speed rating of your
vehicle, you must place a notice to this
effect where it will be seen by the driver.
Such notices are available from your tire
dealer or from any authorized
Mercedes-Benz Light Truck Center.
Warning!G
Winter tires with a tread depth of less than 1/6in (4 mm) must be replaced. They are no
longer suitable for winter operation.