Page 55 of 539
54 Getting startedDrivingSwitching on headlamps
For more information on headlamps, see
“Lighting” (
page 138).
Low beam headlamps
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.
Exterior lamp switch1Off
2Low beam headlamps on
Turn exterior lamp switch toB.High beam
The combination switch is located on the
left of the steering column.
Combination switch1High beam
2High beam flasher
Push the combination switch in
direction of arrow1.
The high beam headlamp indicator
lampA in the instrument cluster
comes on (
page 25).
For more information on headlamps, see
“Combination switch” (
page 142).
Turn signals
The combination switch is on the left of the
steering column.Combination switch1Turn signals, right
2Turn signals, left
Press combination switch in direction
of arrow1 or2.
The corresponding turn signal indicator
lampL orK in the instrument
cluster flashes.
Page 56 of 539
55 Getting started
Driving
The combination switch resets automati-
cally after major steering wheel move-
ments.
Windshield wipers
The combination switch is located on the
left of the steering column.Combination switch1Single wipe
Wiping with windshield washer fluid
2Switching on windshield wipers
Switch on the ignition (
page 34).Switching on windshield wipers
Turn the combination switch to the
desired position depending on the in-
tensity of the rain.
0Windshield wipers off
IIntermittent wiping
IINormal wiper speed
IIIFast wiper speed
iTo signal minor directional changes,
move combination switch to point of
resistance and release. The turn signal
flashes three times.
iVehicles with rain sensor*:
Intermittent wiping interval is depen-
dent on wetness of windshield. Pauses
between wipes are automatically con-
trolled by the rain sensor.
Page 64 of 539

63 Getting started
Parking and locking
After exiting the vehicle, press the lock
button‹ on the SmartKey
(page 32).
The turn signal lamps flash three times.
The locking knobs on the doors move
down. The anti-theft alarm system is
armed.
For more information, see “Locking and
unlocking” (
page 106).Turning off with KEYLESS-GO*
Shift automatic transmission to
positionP.
Press the KEYLESS-GO start/stop
button to shut off the engine.
With the driver’s door closed, the start-
er switch is now in position1. With the
driver’s door opened, the starter switch
is set to position0, same as SmartKey
removed from starter switch
(page 34).
Press the seat belt release button.
Allow the retractor to completely
rewind the seat belt by guiding the
latch plate.
Warning!
G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
iIf you turn off the engine using the
KEYLESS-GO start/stop button and
open the driver’s door with the trans-
mission in a position other thanP, the
transmission will automatically shift
toP.
Keep in mind that turning off the engine
with the KEYLESS-GO start/stop
button alone will not automatically shift
the transmission toP. Only when the
driver’s door is opened will the trans-
mission automatically shift toP.
Page 65 of 539

64 Getting startedParking and locking
1Lock button
After exiting the vehicle, press lock
button1 at the outside door handle or
on the tailgate (
page 121).
All turn signal lamps flash three times.
The locking knobs on the doors move
down. The anti-theft alarm system is
armed.For more information, see “Locking and
unlocking” (
page 106).
iIf you hear a warning signal, you have
forgotten to turn off the lights.
Turn off the lights.Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
openings when closing the doors. Be espe-
cially careful when small children are
around.
Before closing doors, make sure there is no
possibility of someone getting caught in a
door during closing.
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
SmartKey with KEYLESS-GO* with you, and
lock your vehicle. Do not leave children un-
attended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
Page 102 of 539

101 Safety and Security
Anti-theft systems
Arming the alarm system
The alarm system is armed after you have
locked the vehicle with the SmartKey or
SmartKey with KEYLESS-GO*.
The alarm system indicator lamp is located
to the lower left of the hazard warning
flasher.
1Alarm system indicator lamp
Make sure all doors and the tailgate are
closed.
Lock the vehicle (
page 60).
The turn signal lamps flash three times
to indicate that the alarm system is
activated.
Indicator lamp1 flashes permanently
to indicate that the alarm system is
armed.Disarming the alarm system
Unlock the vehicle (
page 32).
The turn signal lamps flash once to
indicate that the alarm system is
disarmed. Indicator lamp1 goes out.
iIf the turn signal lamps do not flash
three times, one of the following ele-
ments may not be properly closed:
a door
the tailgate
Close the respective element and lock
the vehicle again.
iThe alarm system will rearm automati-
cally again after approximately
40 seconds if one of the doors or the
tailgate is not opened.
Page 109 of 539

108 Controls in detailLocking and unlockingFactory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
The vehicle will lock again automatically
and reactivate the anti-theft alarm system
within approximately 40 seconds of un-
locking if:
neither door nor tailgate is opened
the SmartKey is not inserted in the
starter switch
the central locking switch is not acti-
vatedGlobal locking
Press button‹.
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressingŒ only unlocks the driver’s
door and the fuel filler flap.
Press and hold buttonsŒ and‹
simultaneously for about five seconds
until battery check lamp5 flashes
twice.
The SmartKey will then function as fol-
lows:Unlocking driver’s door and fuel filler
flap
Press buttonŒ once.
All turn signal lamps flash once. The
locking knob in the driver’s door moves
up. The anti-theft alarm system is
disarmed.
Global unlocking
Press buttonŒ twice.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is
disarmed.
Global locking
Press button‹.
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Page 110 of 539

109 Controls in detail
Locking and unlocking
Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp5 flashes
twice.Checking the batteries
Press button‹orŒ.
Battery check lamp5 comes on
briefly to indicate that the SmartKey
batteries are in order.Unlocking and opening the tailgate
(Vehicles with tailgate opening/closing
system*)
You can unlock and open the tailgate sep-
arately.
A minimum height clearance of 7 ft
(2.15 m) is required to open the tailgate.
Press and hold buttonŠ on the
SmartKey until the tailgate unlocks and
begins to open.
!If you cannot lock or unlock the vehicle
with the SmartKey, then either the bat-
teries in the SmartKey are discharged,
the SmartKey is malfunctioning or the
vehicle battery is drained.
Check the batteries in the
SmartKey and replace them if
necessary (
page 440).
Use the mechanical key to unlock
the driver’s door (
page 436).
Use the mechanical key to lock the
driver’s door (
page 436).
Have the vehicle battery and the
battery connections checked.
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Light Truck Center.
iIf battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 440).
You can obtain the required batteries
at any authorized Mercedes-Benz Light
Truck Center.
iIf the batteries are checked within
signal range of the vehicle, pressing the
button‹orŒ will lock or un-
lock the vehicle accordingly.
!The tailgate swings open upwards auto-
matically. Always make sure there is
sufficient overhead clearance.
To stop the opening procedure, press
buttonŠ on the SmartKey. The tail-
gate stops moving.iIf the vehicle was previously centrally
locked, the tailgate will lock automati-
cally when closed. The turn signals will
flash three times to confirm locking.
Page 114 of 539

113 Controls in detail
Locking and unlocking
Remember that the engine can be
started by anyone with a SmartKey
with KEYLESS-GO that is left inside the
vehicle.
Possibility 1 (One SmartKey with
KEYLESS-GO in the vehicle, one
SmartKey with KEYLESS-GO outside
the vehicle):
If you leave the SmartKey with
KEYLESS-GO behind when exiting and
locking the vehicle, no message
appears in the multifunction display.
Possibility 2 (One SmartKey with
KEYLESS-GO in the vehicle, no
SmartKey with KEYLESS-GO outside
the vehicle):
When exiting and locking the vehicle,
the message
Key recognized in
vehicle
will appear in the multifunction
display.Factory setting
Global unlocking
Grasp an outside door handle.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is switched
off.
The vehicle will lock again automatically
and reactivate the anti-theft alarm system
within approximately 40 seconds of
unlocking if:
neither a door nor the tailgate is
opened
the central locking switch is not
activated.Global locking
Press lock button on an outside door
handle (
page 64) or tailgate
(
page 116).
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
i If the vehicle has been parked for more
t h a n 7 2 h o u r s , y o u m u s t p u l l a n o u t s i d e
door handle in order to activate the
KEYLESS-GO function.
iThe vehicle could be inadvertently
unlocked if the SmartKey with
KEYLESS-GO is within 3 ft (1 m) of the
vehicle and
an outside door handle is splashed
with water, or
you attempt to clean an outside
door handle.