Page 91 of 376

91 Controls in detail
Locking and unlocking
Close the tailgate (
page 90).
Pull the mechanical key out of the
SmartKey (
page 287).
Insert the mechanical key in the lock
cylinder.
Turn the mechanical key clockwise to
position2.
The tailgate remains locked even when the
vehicle is centrally unlocked.
Separately unlocking the tailgate
Pull the mechanical key out of the
SmartKey (
page 287).
Insert the mechanical key in the lock
cylinder.
Turn the mechanical key to neutral
position1 (
page 90).
You can now open the tailgate
(
page 89).
Automatic central locking
The doors and the tailgate automatically
lock 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.
iYou can only cancel the separate tail-
gate locking mode by means of the me-
chanical key.
Warning!
G
Only drive with the tailgate closed as other-
wise exhaust fumes may enter the vehicle
interior.
Page 92 of 376

92 Controls in detailLocking and unlockingYou can deactivate the automatic locking
using the control system (
page 133).
For information on towing the vehicle, see
“Towing the vehicle” (
page 315).
Locking and unlocking from the inside
You can lock or unlock the vehicle from in-
side using the central locking switches.
This can be useful, for example, if you want
to unlock the passenger door from the in-
side or want to lock the vehicle before
starting to drive.
The fuel filler flap cannot be locked or un-
locked with the central locking switch.The central locking switch is located in the
center console.
Central locking switch1Locking
2Unlocking
iThe doors and the tailgate unlock auto-
matically after an accident if the force
of the impact exceeds a preset thresh-
old.
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
is on a test stand
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch, and lock
the vehicle. Do not leave children unattend-
ed in the vehicle, or with access to an un-
locked vehicle. Unsupervised use of vehicle
equipment may cause an accident and/or
serious personal injury.
Page 93 of 376
93 Controls in detail
Locking and unlocking
Locking
Press central locking switch1.
If all the doors and the tailgate are
closed, the vehicle locks.
Unlocking
Press central locking switch2.
The vehicle unlocks.
iYou can open a locked door from the
inside. Open door only when conditions
are safe to do so.
If the vehicle was previously centrally
locked using the SmartKey, it will not
unlock using the central locking switch.
If the vehicle was previously locked
with the central locking switch
while in the selective remote con-
trol mode, only the door opened
from the inside is unlocked.
while in the global remote control
mode, the complete vehicle is un-
locked when a door is opened from
the inside.
Page 110 of 376
110 Controls in detailLightingSwitching lamps off
Move rocker switch3 to center posi-
tion to activate the automatic control.
Rear interior lamps
The rear interior lamps are located above
the rear seat bench on the left and right
side.
1The lamps are switched on
continuously
2The lamps are switched off
3Automatic function
Cargo compartment lamps
Switching on and off
1Switch for cargo compartment lamps
Press button ò to switch the cargo
compartment lamps2 on/off.
!To prevent the vehicle battery from be-
ing discharged, all interior lamps
switch off automatically after approxi-
mately 30 minutes with the tailgate
open.
If an interior lamp is switched on man-
ually, it does not go out automatically.
Before leaving the vehicle, make sure
the interior lamps are switched off.
The rear interior lamps can be switched
on with the SmartKey in starter switch
position0 or SmartKey removed from
the starter switch for up to 30 minutes.
Page 111 of 376
111 Controls in detail
Lighting
2Cargo compartment lamps
Switching on and off with the tailgate
open
If the tailgate should remain open for a
longer period of time, the cargo compart-
ment lamps may be switched off separate-
ly.1Door lock
2Lock cylinder
Switching off
Open the tailgate.
Press door lock1 down until it engag-
es (arrow).Switching on
Press lock cylinder2 to activate the
cargo compartment lamps again.
The cargo compartment lamps will
switch on.
!Do not close the tailgate if the lock is
engaged in down position. The lock
could otherwise be damaged.
When locking the tailgate, it is impor-
tant that the door lock be in the same
position as shown in the illustration.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the tail-
gate opening when closing the tailgate. Be
especially careful when small children are
around.
Only drive with the tailgate closed as other-
wise exhaust fumes may enter the vehicle
interior.
Page 174 of 376

174 Controls in detailDriving systemsWarning indicator
Visual signals indicate to the driver the rel-
ative distance between the sensors and an
obstacle. The warning indicator is located
next to the tailgate.Warning indicatorAs your vehicle approaches an object, one
or more segments will come on, depending
on the distance. When the sixth segment
lights, you have reached the minimum dis-
tance.An intermittent acoustic warning will
sound when the first yellow segment
comes on. This signal quickens with each
additional segment lit. When all segments
illuminate, the acoustic warning becomes
a constant signal. The signal is canceled
when the gear selector lever is placed in
position D or P.
Rear Parking Assist malfunction
There is a malfunction in the Rear Parking
Assist system if:
a low warning tone sounds while the
vehicle is reversing
The Rear Parking Assist sensors are
dirty or malfunctioning.
Clean the Rear Parking Assist sys-
tem sensors (
page 247).
Switch on the ignition again.
no segments come on and no warning
sounds
The Rear Parking Assist is malfunction-
ing.
Have the Rear Parking Assist sys-
tem checked by an authorized
Mercedes-Benz Light Truck Center
as soon as possible.
Malfunction may also be caused by inter-
ference from other radio or ultrasonic sig-
nals.
Check the Rear Parking Assist opera-
tion at another location to rule out in-
terference from outside radio or
ultrasonic signals.
Page 175 of 376
175 Controls in detail
Loading
Loading
Roof rack
This vehicle is not intended to carry items
on its roof. Thus roof rails and any
roof-mounted devices must not be used.
Cargo compartment cover
1Rear seat bench cover
2Tailgate cover
Pull cover1 out. Hook it into the
mountings on the rear seat bench.
Pull cover2 out. Hook it into the
mountings to the left and right of the
tailgate.Rolling up the cover
Grip the cover strap and remove it from
the mountings on both sides.
Guide it slowly back into place.
Warning!
G
Do not load items on the roof. It may cause
instability during some maneuvers which
could result in an accident.
Page 177 of 376

177 Controls in detail
Loading
Folding seat backrest forward
Remove the head restraints
(page 96).
Pull release lever1 in direction of ar-
row and fold seat backrest forward un-
til it locks in place.
Folding seat bench forward
Fold seat backrest forward.
Pull release lever2 in direction of ar-
row and fold seat bench forward to-
gether with the seat backrest.Returning seat bench and seat back-
rest to sitting position
Fold up seat bench until it locks in
place.
Pull release lever1 and raise seat
backrest until it locks in place.
Check to ensure the seat is locked by
pushing and pulling on the seat back-
rest.
Warning!
G
Failure to assure that seats and seat back-
rest are locked into place could result in an
increased chance of injury in an accident.
Never place hands under seat or near any
moving parts while a seat is being adjusted.
For safety reasons, the rear seat bench
must only be adjusted when the vehicle is
stationary.
Never ride vehicle with the tailgate open.
Deadly carbon monoxide (CO) gases may
enter vehicle interior resulting in uncon-
sciousness and death.!Before folding the seat backrest for-
ward and the rear seat bench down, be
sure that all containers in the rear cup
holder are removed.
Warning!
G
Failure to assure that seats and seat back-
rests are locked into place could result in an
increased chance of injury in an accident.