120 Controls in detail
Locking and unlocking
Global unlocking
Grasp any outside door handle other
than the driver’s outside door handle.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
Global locking
Press the lock button on an outside
door handle (
page 69).
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds
until battery check lamp5
(
page 116) flashes twice.Checking the batteries
Press button‹orŒ.
Battery check lamp5 (
page 116)
comes on briefly to indicate that the
SmartKey with KEYLESS-GO batteries
are in order.
!If you can no longer lock or unlock the
vehicle with the SmartKey with KEYLESS-GO, the
batteries in the SmartKey with KEYLESS-GO are
discharged, the SmartKey with KEYLESS-GO is
malfunctioning, or the vehicle battery is drained.
Check the batteries in the SmartKey with
KEYLESS-GO (
page 120) and replace
them if necessary (
page 483).
Use the mechanical key to unlock the
drivers’ door (
page 478).
Lock the vehicle as described in the
“Practical hints” section (
page 479).
Have the vehicle battery and the vehicle bat-
tery connections checked (
page 506).
If the SmartKey with KEYLESS-GO is malfunc-
tioning, contact Roadside Assistance or an
authorized Mercedes-Benz Light Truck Center.
iIf battery check lamp5 (page 116) does
not come on briefly during check, the SmartKey
with KEYLESS-GO batteries are discharged.
Replace the batteries (
page 483).
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 unlock the
vehicle accordingly.
121 Controls in detail
Locking and unlocking
Unlocking and opening the tailgate
(Vehicles with power tailgate*)
You can unlock and open the tailgate sep-
arately.
A minimum height clearance of 7.2 ft
(2.20 m) is required to open the tailgate.
The handle is located above the rear
license plate recess.Pull on the handle.
or
Press and hold buttonŠ on the
SmartKey with KEYLESS-GO until the
tailgate unlocks and opens.Loss of the SmartKey with KEYLESS-GO
If you lose your SmartKey with
KEYLESS-GO or mechanical key, you
should do the following:
Have the SmartKey with KEYLESS-GO
deactivated by an authorized
Mercedes-Benz Light Truck Center.
Report the loss of the SmartKey with
KEYLESS-GO or the mechanical key
immediately to your car insurance
company.
Have the mechanical lock replaced if
necessary.
Your authorized Mercedes-Benz Light
Truck Center will be glad to supply you
with a replacement.
!The tailgate swings open upwards automat-
ically. Always make sure there is sufficient over-
head clearance.
To stop the opening procedure, press
buttonŠ on the SmartKey. The tailgate stops
moving.
iIf the vehicle was previously centrally locked
with the SmartKey or KEYLESS-GO, the tailgate
will lock automatically when closed
(
page 125). The turn signals will flash three
times to confirm locking.
123 Controls in detail
Locking and unlocking
Opening the tailgate
Opening the tailgate from the outside
A minimum height clearance of
7.2 ft (2.20 m) is required to open the
tailgate.
The handle is located above the rear
license plate recess.Pull on the handle.
The tailgate opens slightly.
Pull tailgate upwards to open.Opening the tailgate from the inside
manually
You can unlock the tailgate from the
third-row seats and then open it manually.
The handle is located on the right-hand
side of the tailgate’s window trim.
1Handle
2Push
3Lift
Push handle 1 in direction of arrow2
and hold it there.iVehicles without KEYLESS-GO*:
The vehicle must be unlocked (
page 39).
Vehicles with KEYLESS-GO*:
When opening the tailgate, the vehicle is globally
unlocked.
!The tailgate swings open upwards automat-
ically. Always make sure there is sufficient over-
head clearance.
Vehicles with power tailgate*:
To stop the opening procedure, press
buttonŠ on the SmartKey. The tailgate stops
moving.
iIf the vehicle was previously centrally
locked, the tailgate will lock automatically after
closing it (
page 125). The turn signals will
flash three times to confirm locking.
iThe tailgate can also be opened using
theŠ button on the SmartKey (
page 115)
or SmartKey with KEYLESS-GO* (
page 121).
127 Controls in detail
Locking and unlocking
Closing the tailgate from the outside
(vehicles without KEYLESS-GO*)
In vehicles with power tailgate* you can
close the tailgate from the outside using
the tailgate closing switch or the
Šbutton on the SmartKey.
1Tailgate closing switch
Press tailgate closing switch1 briefly.
The tailgate closes and an acoustic
warning sounds.If the tailgate comes into contact with an
object while closing (e.g. luggage that has
been piled too high), the closing procedure
is stopped and the tailgate reopens.
iTo prevent an inadvertent lockout, do not
place the SmartKey in the cargo compartment.
Vehicles with KEYLESS-GO*: To prevent a
possible inadvertent lockout, the tailgate will
open automatically if a SmartKey with
KEYLESS-GO is recognized inside the vehicle.
iIf the vehicle was previously centrally locked
with the SmartKey or KEYLESS-GO*, the tailgate
will lock automatically after closing it. The turn
signals flash three times to confirm locking.
iYou can also close the tailgate manually
(
page 126).
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 tailgate closing switch1.
Press the Šbutton on the SmartKey.
Press or pull the remote tailgate switch
(on the driver’s door).
128 Controls in detail
Locking and unlocking
Closing the tailgate and locking the
vehicle from the outside (vehicles with
KEYLESS-GO*)
In vehicles with power tailgate* and
KEYLESS-GO*, you can close the tailgate
and lock the vehicle simultaneously from
the outside using the KEYLESS-GO* lock-
ing/closing switch or the Šbutton on
the SmartKey with KEYLESS-GO*.
1Tailgate closing switch
2KEYLESS-GO* locking/closing switchEven with the SmartKey removed from the
starter switch, the tailgate closing switch
can be operated. Therefore, do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Unsuper-
vised 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.
iDo not place the SmartKey in the open car-
go compartment. You may lock yourself out.
iIf the vehicle was previously centrally
locked, the tailgate will lock automatically after
closing it. The turn signals will flash three times
to confirm locking.
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 tailgate closing switch1.
Press KEYLESS-GO* locking/closing
switch* 2.
Press the Šbutton on the SmartKey
with KEYLESS-GO* (
page 116).
Press or pull the remote tailgate switch
on the driver’s door (
page 125).
129 Controls in detail
Locking and unlocking
Closing the tailgate
Make sure you have the SmartKey with
KEYLESS-GO* with you.
Press tailgate closing switch1 briefly.
The tailgate closes and an acoustic
warning sounds.
If the tailgate comes into contact with an
object while closing (e.g. luggage that has
been piled too high), the closing procedure
is stopped and the tailgate reopens.Closing and locking the tailgate
Make sure you have the SmartKey with
KEYLESS-GO* with you.
Press KEYLESS-GO* locking/closing
switch2 briefly.
The tailgate closes automatically and
an acoustic warning sounds. Once the
tailgate is closed, the vehicle locks if
doors are closed. The turn signals flash
three times to confirm locking. The
locking knobs in the doors move down.
The anti-theft alarm system is armed.
If the tailgate comes into contact with an
object while closing (e.g. luggage that has
been piled too high), the closing procedure
is stopped and the tailgate reopens.
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.iIf the vehicle was previously centrally
locked, the tailgate will lock automatically after
closing it. The turn signals will flash three times
to confirm locking.
iTo prevent a possible inadvertent lockout,
the tailgate will open automatically if a SmartKey
with KEYLESS-GO* is recognized inside the
vehicle.
146 Controls in detail
Lighting
For information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 59)
and “Turn signals” (
page 60).
Exterior lamp switch
MOff
Daytime running lamp mode
(
page 148)
UAutomatic headlamp mode
Daytime running lamp mode
(
page 147)
CParking lamps (also tail lamps,
license plate lamps, side marker
lamps, instrument panel lamps)
BLow beam headlamps or high beam
headlamps when the combination
switch is pushed forward. The tail
lamps, license plate lamps, side marker lamps, parking lamps and
instrument panel lamps also come
on.
ˆStanding lamps, right (turn left one
stop)
‚Standing lamps, left (turn left two
stops)
‡Indicator lamp for front fog lamps*
†Indicator lamp for rear fog lamp
iIf you drive in countries where vehicles drive
on the other side of the road than the country in
which the vehicle is registered, you must have
the headlamps modified for symmetrical low
beams. Relevant information can be obtained at
any authorized Mercedes-Benz Light Truck
Center.
iVehicles with active Bi-Xenon* headlamps:
The active Bi-Xenon* headlamps monitor the
vehicle’s steering angle and speed, then auto-
matically shift their beams to either side to
better follow the curvature of the road ahead, in-
creasing usable illumination over conventional
headlamps.iIf you hear a warning signal when exiting the
vehicle, you have forgotten to switch off the ex-
terior lamps.
In addition the message
Switch off lights
appears in the multifunction display.
Switch off the exterior lamps.
iWith the daytime running lamp mode activat-
ed and the engine running, the low beam head-
lamps cannot be switched off manually.
For information on how to activate the daytime
running lamp mode, see “Daytime running lamp
mode” (
page 148).
151 Controls in detail
Lighting
Corner-illuminating front fog lamps*
The corner-illuminating front fog lamps
improve illumination of the area in the
direction into which you are turning.
The corner-illuminating front fog lamps will
operate with the engine running and with
the exterior lamp switch in
positionB (
page 146)
or
the exterior lamp switch in
positionU (
page 146)
or
the daytime running lamp mode
activated (
page 148)Driving forward
Switching on corner-illuminating front
fog lamps
Switch on the left or right turn signal
(
page 60), depending on whether
you are turning left or right.
The respective front fog lamp comes on
and illuminates the area in the
direction into which you are turning.
or
Turn steering wheel in desired direc-
tion.
The front fog lamp on the side of your
steering direction comes on.iWith the automatic headlamp mode
activated, the corner-illuminating front fog lamps
will only come on in low ambient lighting condi-
tions.
The corner-illuminating front fog lamps
function is not available at a vehicle speed
above25mph(40km/h).
iIf you are driving faster than
25 mph (40 km/h) or have the front fog lamps
switched on, the corner-illuminating function is
not available.iIf you have switched on the turn signal for
one side but turn the steering wheel in the
opposite direction, the corner-illuminating front
fog lamp comes on for the side indicated by the
turn signal.
The corner-illuminating front fog lamp remains lit
for a maximum of three minutes. Afterwards, it
goes out even if the turn signal is still switched
on.
iThe corner-illuminating front fog lamps tem-
porarily come on both sides of the vehicle if you
turn the steering wheel in one direction and then
again in the other direction shortly thereafter.
iThe corner-illuminating front fog lamps will
come on automatically depending on the steer-
ing angle, even if you did not switch on either
turn signal. If the corner-illuminating front fog
lamps came on automatically, they will also go
out automatically depending on the steering
angle.