Page 117 of 539

116 Controls in detailLocking and unlocking
Locking the vehicle
1Lock button at tailgate
Press the lock button at tailgate1.
or
Press the lock button at the outside
door handle (
page 64).
or
Vehicles with tailgate opening/closing
system*, press the KEYLESS-GO
locking/closing switch in the tailgate
(page 124).
The vehicle locks. The turn signals flash
three times to confirm locking.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 im-
mediately to your car insurance com-
pany.
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 auto-
matically. Always make sure there is
sufficient overhead clearance.
Vehicles with tailgate opening/closing
system*: To stop the opening proce-
dure, press buttonŠ on the
SmartKey. The tailgate stops moving.iIf the vehicle was previously centrally
locked, the tailgate will lock automati-
cally when closed (
page 120). The
turn signals will flash three times to
confirm locking.
Page 118 of 539
117 Controls in detail
Locking and unlocking
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 handleFront doors
Pull on door handle2 on the respec-
tive front door to open door.
If door was locked, locking knob1 will
move up.
Rear doors
Pull up locking knob1 on the respec-
tive rear door to unlock door.
Pull on door handle2 on the respec-
tive rear door to open door.
iIf the vehicle has previously been
locked with the SmartKey or SmartKey
KEYLESS-GO*, opening a door from the
inside will trigger the anti-theft alarm
system.
To cancel the alarm, do one of the
following:
With the SmartKey
Insert the SmartKey in the starter
switch.
Press theŒ or ‹button on
the SmartKey.
The SmartKey with KEYLESS-GO*
must be outside the vehicle.
With KEYLESS-GO*
Grasp an outside door handle.
Press the KEYLESS-GO start/stop
button.
The SmartKey with KEYLESS-GO
must be inside the vehicle.
Page 119 of 539

118 Controls in detailLocking and unlockingOpening the tailgate
Opening the tailgate from the outside
A minimum height clearance of 7 ft
(2.15 m) is required to open the tailgate.
The handle is located above the rear
license plate recess.
Vehicles without KEYLESS-GO*:
The vehicle must be unlocked.
Pull on the handle.
The tailgate opens.The tailgate can also be opened using the
SmartKey (
page 106).Opening the tailgate from the inside
electrically*
You can open the tailgate from the inside if
the vehicle is stationary.
A minimum height clearance of 7 ft
(2.15 m) is required to open the tailgate.
The switch is located on the door control
panel.
1Remote tailgate switch with indicator
lamp
!The tailgate swings open upwards auto-
matically. Always make sure there is
sufficient overhead clearance.
Vehicles with tailgate opening/closing
system*: To stop the opening proce-
dure, press buttonŠ on the
SmartKey. The tailgate stops moving.iIf the vehicle was previously centrally
locked, the tailgate will lock automati-
cally after closing it (
page 120). The
turn signals will flash three times to
confirm locking.
Page 120 of 539

119 Controls in detail
Locking and unlocking
Pull remote tailgate switch1 until
tailgate begins to open.
The tailgate opens. The indicator lamp
in the remote tailgate switch comes on
and remains lit until the tailgate is
closed. While the tailgate is opening an
acoustic signal sounds.Limiting opening height of tailgate*
Vehicles with tailgate opening/closing
system*:
The tailgate opening height can be limited
when transporting goods on a roof rack
(e.g. presence of an MB sport luggage con-
tainer*). When activated, the tailgate
opens to approximately 6.4 ft (1.95 m).
Activate the limiting opening height of
tailgate using the control system
(page 173).
Warning!
G
Maintain sight of the area around the rear of
the vehicle while operating the tailgate with
the door-mounted remote tailgate switch or
with the Šbutton on the SmartKey or
SmartKey with KEYLESS-GO*. Monitor the
opening procedure carefully to make sure
no one is in danger of being injured.
To interrupt the opening procedure, press or
pull the door-mounted remote tailgate
switch or press the Šbutton on the
SmartKey or SmartKey with KEYLESS-GO*.
!The tailgate swings open upwards auto-
matically. Always make sure there is
sufficient overhead clearance. To stop
the opening procedure, press or pull re-
mote tailgate switch1 or press the
Šbutton on the SmartKey or
SmartKey with KEYLESS-GO*. The
tailgate stops moving.iVehicles with tailgate opening/closing
system*:
The tailgate can also be opened using
the buttonŠ on the SmartKey or
SmartKey with KEYLESS-GO*.
Page 121 of 539

120 Controls in detailLocking and unlockingClosing the tailgate
Closing the tailgate from the inside
electrically*
In vehicles with tailgate opening/closing
system* you can close the tailgate from
the inside using the remote tailgate switch.
Press remote tailgate switch1
(page 118) until tailgate begins to
close.
The tailgate closes. The indicator lamp
in the remote tailgate switch goes out.
While the tailgate is closing an acoustic
signal sounds.
To interrupt the closing procedure:
Press or pull remote tailgate switch1. 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.iYou can also close the tailgate by hand.
Warning!
G
Maintain sight of the area around the rear of
the vehicle while operating the tailgate with
the door mounted switch. Monitor the
closing procedure carefully to make sure no
one is in danger of being injured.
To interrupt the closing procedure, press or
pull the door mounted remote tailgate
switch.
Even with the SmartKey or the SmartKey
with KEYLESS-GO* removed from the start-
er switch or the SmartKey with
KEYLESS-GO* removed from the vehicle,
the remote tailgate switch can be operated.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment 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
vehicle interior.
Page 122 of 539

121 Controls in detail
Locking and unlocking
Closing the tailgate from the outside
manually
1Handle
Lower tailgate by pulling firmly on
handle1.
Close tailgate with hands placed flat on
it.
Closing the tailgate from the outside
(vehicles without KEYLESS-GO*)
In vehicles with tailgate opening/closing
system* you can close the tailgate sepa-
rately from the outside using the tailgate
closing switch or the Šbutton on the
SmartKey.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the cargo
compartment opening when closing the tail-
gate. Be especially careful when small chil-
dren are around.
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.Warning!
G
Only drive with the tailgate closed as,
among other dangers such as blocked
visibility, exhaust fumes may enter the
vehicle interior.
iTo prevent an inadvertent lockout, do
not place the SmartKey in the cargo
compartment.
Vehicles with KEYLESS-GO*:
To prevent a possible inadvertent lock-
out, the tailgate will open automatically
if a SmartKey with KEYLESS-GO is rec-
ognized inside the vehicle or in the car-
go compartment.iIf the vehicle was previously centrally
locked, the tailgate will lock automati-
cally after closing it. The turn signals
flash three times to confirm locking.
Page 123 of 539

122 Controls in detailLocking and unlocking1Tailgate closing switch
Press tailgate closing switch1 briefly.
The tailgate closes.
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.iYou can also close the tailgate by hand.
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 Šbutton on the SmartKey
press or pull the remote tailgate switch
(on the driver’s door)
Even 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
cargo compartment. You may lock
yourself out.iIf the vehicle was previously centrally
locked, the tailgate will lock automati-
cally after closing it. The turn signals
will flash three times to confirm lock-
ing.
Page 124 of 539

123 Controls in detail
Locking and unlocking
Closing the tailgate from the outside
(vehicles with KEYLESS-GO*)
In vehicles with tailgate opening/closing
system* you can close the tailgate sepa-
rately from the outside using the tailgate
closing switch or the Šbutton on the
SmartKey.
1Tailgate closing switch
Make sure you have the SmartKey with
KEYLESS-GO* with you.
Press tailgate closing switch 1 briefly.
The tailgate closes.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 slight-
ly.
iYou can also close the tailgate by hand.iTo prevent a possible inadvertent lock-
out, the tailgate will open automatically
if a SmartKey with KEYLESS-GO* is
recognized inside the vehicle.
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 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)