62 Getting startedDriving6Rear window wiper indicator
Switch on the ignition (
page 38).
Activating intermittent wipe
Turn rear window wiper switch 1 to
position3 (
page 61).
In the lower multifunction display you
will see symbol6, indicating that the
rear window wiper is activated.Deactivating intermittent wipe
Turn rear window wiper switch 1 to
position4 (
page 61).
Symbol6for the rear window wiper is
cleared from the lower multifunction
display, indicating that the rear window
wiper is deactivated.
Wiping with windshield washer fluid
Turn rear window wiper switch 1 to
position 2 or 5 (
page 61).
The wiper operates with washer fluid.
Hold rear window wiper switch 1 in
position 2 or 5 (
page 61) until the
rear window is clean.
For information on filling up the washer
reservoir, see “Windshield / rear window
washer system and headlamp cleaning
system*” (
page 352).
Problems while driving
The engine runs erratically and misfires
An ignition cable may be damaged.
The engine electronics may not be
operating properly.
Unburned gasoline may have entered
the catalytic converter and damaged it.
Give very little gas.
Have the problem repaired by an
authorized Mercedes-Benz Light Truck
Center as soon as possible.
iThe rear window wiper engages auto-
matically when the automatic transmis-
sion is shifted to positionR with the
windshield wipers switched on.
70 Safety and SecurityOccupant safetyIn this section you will learn the most im-
portant facts about the restraint systems
of the vehicle.
The restraint systems are
Seat belts (
page 77)
Child restraints (
page 90)
Lower anchors and tethers for children
(LATCH) (
page 92)
Supplemental Restraint System (SRS) with
Air bags (
page 71)
Air bag control unit (with crash
sensors)
Emergency tensioning device (ETD) for
seat belts (
page 80)Advanced air bag system components with
Front passenger air bag off indicator
lamp (
page 89)
Front passenger seat with Occupant
Classification System (OCS)
(page 85)
As independent systems, their protective
functions work in conjunction with each
other.The SRS system conducts a self-test when
the ignition is switched on and in regular
intervals while the engine is running. This
facilitates early detection of malfunctions.
The
1
indicator lamp in the instrument
cluster (page 24) comes on when the
ignition is switched on and goes out no
later than a few seconds after the engine
was started.
The SRS components are in operational
readiness if the
1
indicator lamp is not
lit when the engine is running.
A malfunction in the system has been
detected if the
1
indicator lamp:
fails to go out no later than approxi-
mately 4 seconds after the engine was
started
does not come on at all
comes on after the engine was started
or while driving
iFor information on infants and children
traveling with you in the vehicle and
restraint systems for infants and chil-
dren, see “Children in the vehicle”
(page 82).
97 Safety and Security
Driving safety systems
Driving safety systems
In this section you will find information on
the following driving safety systems:
ABS (A
ntilock B
rake S
ystem)
BAS (B
rake A
ssist S
ystem)
ESP
® (E
lectronic S
tability P
rogram)
EBP (E
lectronic B
rake P
roportioning)
4-ETS (E
lectronic T
raction S
ystem)
ABS
The Antilock Brake System (ABS) regulates
the brake pressure so that the wheels do
not lock during braking. This allows you to
maintain the ability to steer your vehicle.
The ABS is functional above a speed of ap-
proximately 5 mph (8 km / h) independent
of road surface conditions.
On slippery road surfaces, the ABS will re-
spond even to light brake pressure.
The -indicator lamp in the instrument
cluster (
page 24) comes on when you
switch on the ignition. It goes out when the
engine is running.
Warning!
G
The following factors increase the risk of
accidents:
Excessive speed, especially in turns
Wet and slippery road surfaces
Following another vehicle too closely
The ABS, BAS, ESP
® and 4-ETS cannot re-
duce this risk.
Always adjust your driving style to the pre-
vailing road and weather conditions.
iIn winter operation, the maximum ef-
fectiveness of the ABS, the BAS, the
ESP
®, the EBP, and the 4-ETS is only
achieved with winter tires (
page 390)
or snow chains as required.
Warning!
G
Do not pump the brake pedal. Use firm,
steady brake pedal pressure instead. Pump-
ing the brake pedal defeats the purpose of
the ABS and significantly reduces braking
effectiveness.
99 Safety and Security
Driving safety systems
BAS
The Brake Assist System (BAS) operates in
emergency situations. If you apply the
brakes very quickly, the BAS automatically
provides full brake boost, thereby poten-
tially reducing braking distance. Apply con-
tinuous full braking pressure until the
emergency braking situation is over. The
ABS will prevent the wheels from locking.
When you release the brake pedal, the
brakes function again as normal. The BAS
is then deactivated.
ESP
®
The Electronic Stability Program (ESP
®) is
operational as soon as the engine is run-
ning and monitors the vehicle’s traction
(force of adhesive friction between the
tires and the road surface) and handling.
The ESP
® recognizes when a wheel is
spinning or if the vehicle starts to skid. By
applying brakes to the appropriate wheel
and by limiting engine output, the ESP
®
helps stabilize the vehicle. The ESP
® is es-
pecially useful while driving off and on wet
or slippery road surfaces. The ESP® also
stabilizes the vehicle during braking ma-
neuvers.
The ESP
® warning lampv in the instru-
ment cluster (
page 24) flashes when the
ESP
® is engaged.
The ESP
® warning lampv in the instru-
ment cluster comes on when you switch on
the ignition. It goes out when the engine is
running.
Warning!
G
If the BAS is malfunctioning, the brake sys-
tem is still functioning, but without the addi-
tional brake boost available that BAS would
normally provide in an emergency braking
maneuver. Therefore, the braking distance
may increase.
Warning!
G
The BAS cannot prevent the natural laws of
physics from acting on the vehicle, nor can
it increase braking efficiency beyond that
afforded by the condition of the vehicle
brakes and tires or the traction afforded.
The BAS cannot prevent accidents, includ-
ing those resulting from excessive speed in
turns, following another vehicle too closely,
or hydroplaning. Only a safe, attentive, and
skillful driver can prevent accidents. The
capabilities of a BAS equipped vehicle must
never be exploited in a reckless or danger-
ous manner which could jeopardize the
user’s safety or the safety of others.
100 Safety and SecurityDriving safety systems
For more information, see the “Practical
hints” section (
page 409).
Warning!
G
Never switch off the ESP
® when you see the
ESP
® warning lampv flashing in the in-
strument cluster. In this case, proceed as
follows:
While driving off, apply as little throttle
as possible.
While driving, ease up on the accelera-
tor.
Adapt your speed and driving style to
the prevailing road conditions.
Failure to observe these guidelines could
cause the vehicle to skid.
The ESP
® cannot prevent accidents result-
ing from excessive speed.
Warning!
G
The ESP
® cannot prevent the natural laws of
physics from acting on the vehicle, nor can
it increase the traction afforded. The ESP
®
cannot prevent accidents, including those
resulting from excessive speed in turns, fol-
lowing another vehicle too closely, or hydro-
planing. Only a safe, attentive, and skillful
driver can prevent accidents. The capabili-
t i e s o f a n E S P
® equipped vehicle must never
be exploited in a reckless or dangerous
manner which could jeopardize the user’s
safety or the safety of others.
iThe ESP
® will only function properly if
you use wheels of the recommended
tire size (page 514).
!Because of the ESP’s
® automatic oper-
ation, the engine and ignition must be
shut off (SmartKey in starter switch
position0 or1 or KEYLESS-GO*
start / stop button* in position0 or1)
when
the parking brake is being tested on
a brake test dynamometer
the vehicle is being towed with the
front or rear axle raised
Active braking action through the ESP
®
may otherwise seriously damage the
brake system.
Operational tests with the engine
running can only be conducted on a
two-axle dynamometer.
104 Safety and SecurityAnti-theft systemsImmobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
With the SmartKey
Remove the SmartKey from the starter
switch.
With KEYLESS-GO*
Press the KEYLESS-GO start / stop
button (
page 40) once.
The engine is turned off.
Open the driver’s door.Deactivating
With the SmartKey
Turn the SmartKey in the starter switch
to position2 (
page 38).
With KEYLESS-GO*
Switch on the ignition (
page 38).
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
a door
the tailgate
the hood
The alarm will stay on, even if the activat-
ing element (a door, for example) is imme-
diately closed.
The alarm system will also be triggered
when
the vehicle is raised, see “Tow-away
alarm” (
page 106)
the vehicle is opened with the mechan-
ical key, see “Unlocking the vehicle”
(page 459)
a door is opened from the inside, see
“Opening the doors from the inside”
(page 121)
iStarting the engine will also deactivate
the immobilizer.
In 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).
107 Safety and Security
Anti-theft systems
Arming the tow-away alarm
Make sure all doors and the tailgate are
closed.
Lock your vehicle.
The tow-away alarm is automatically
armed after about 10 seconds.
Disarming the tow-away alarm
Unlock your vehicle.Switching off the tow-away alarm
To prevent triggering the tow-away alarm
feature, switch off the tow-away alarm be-
fore towing the vehicle, or when parking on
a surface subject to movement, such as a
ferry or auto train.
If the tow-away alarm is set to default en-
abled (
on) in the control system and you
wish to retain the default setting, you can
switch off the tow-away alarm temporarily
on a one-time basis as follows:
Switch off the ignition (
page 38).
With the tow-away alarm set to default
enabled (
on) in the control system, the
following message appears in the mul-
tifunction display.
If you now wish to deactivate the
tow-away alarm on a one-time basis,
press button + or - on the mul-
tifunction steering wheel.
The tow-away alarm is switched off.
The following message appears in the
multifunction display.
iWhen you unlock your vehicle, the
tow-away protection disarms automati-
cally.
The tow-away alarm remains disarmed
until you lock your vehicle again.
iThe tow-away alarm feature can be set
to default enabled (
on) or disabled (
off
)
using the control system (
page 191).
130 Controls in detailLocking and unlocking
Automatic central locking
The doors and the tailgate lock automati-
cally when the ignition is switched on and
the wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or more.You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
For information on towing the vehicle, see
“Towing the vehicle” (
page 499).
You can deactivate the automatic locking
mode using the control system
(
page 188).
Warning!
G
Monitor the closing procedure carefully to
make sure no one is in danger of being in-
jured. To prevent possible personal injury,
always keep hands and fingers away from
the cargo compartment opening when clos-
ing the tailgate. Be especially careful when
small children are around. To stop the clos-
ing procedure, do one of the following:
Press the tailgate closing switch1.
Press the KEYLESS-GO locking/closing
switch*.
Press the Šbutton on the SmartKey
with KEYLESS-GO*.
Press or pull the remote tailgate switch
(on the driver’s door).
Even with the SmartKey with KEYLESS-GO*
removed from the vehicle, the tailgate
closing switch can be operated. Therefore,
do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may
cause an accident and/or serious personal
injury.Warning!
G
Only drive with the tailgate closed as,
among other dangers such as blocked
visibility, exhaust fumes may enter the vehi-
cle interior.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold.
The vehicle automatically locks when
the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or
more. You could therefore lock yourself
out when the vehicle
is pushed or towed
is on a test stand
during a wheel change