36 At a glance
Door control panel
ItemPage
1Inside door handle122
2Central locking/unlocking
switch130
3Exterior rear view mirror
adjustment49
4Selection buttons for
exterior rear view mirror
adjustment
Power-folding exterior rear
view mirrors*49
214
5Switches for
opening/closing front and
rear door windows251
6Rear door window override
switch97
7Hinged quarter window
switch*253
8Remote tailgate release
switch, power tailgate*124,
125
39 Getting started
Unlocking
Unlocking with KEYLESS-GO*
With the KEYLESS-GO function, you can
lock or unlock the vehicle without using
the remote control buttons on the
SmartKey and start the engine without
inserting the SmartKey into the starter
switch.Grasp an outside door handle or the
tailgate handle.
All turn signal lamps flash once. The
vehicle unlocks. The locking knobs in
the doors move up. The anti-theft alarm
system is disarmed. The locator light-
ing comes on if the feature is enabled
in the control system (
page 184).
Enter the vehicle.
For more information, see “SmartKey with
KEYLESS-GO*” (
page 116).
Starter switch positions
iTo unlock the vehicle, the SmartKey with
KEYLESS-GO must be outside the vehicle, no
further than approximately 3 feet (1 meter) away
from the respective door.
Warning!G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO* with you, and
lock the vehicle. Do not leave children
unattended in the vehicle, or with access to
an unlocked vehicle. Unsupervised use of
vehicle equipment may cause an accident
and/or serious personal injury.
i If the vehicle has been parked for more than
72 hours, you must pull an outside door handle
in order to activate the KEYLESS-GO function.
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
unattended in the vehicle, or with access to
an unlocked vehicle. Unsupervised use of
vehicle equipment may cause an accident
and/or serious personal injury.
112 Controls in detail
In the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed in your vehicle.
If you are already familiar with the basic
functions of your vehicle, this section will
be of particular interest to you.
To quickly familiarize yourself with the ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are
given at the beginning of each segment.
Locking and unlocking
For more information on locking and un-
locking, see the “Getting started” section
(
page 38) and (page 68).
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key.
The locking tabs for the mechanical key
portion of the two SmartKeys are a differ-
ent color to help distinguish each
SmartKey unit.
The SmartKey provides an extended oper-
ating range. To prevent theft, however, it is
advisable to only unlock the vehicle when
you are in close proximity to it.
The SmartKey centrally locks and unlocks:
the doors
the tailgate
the fuel filler flap
SmartKey with remote control
1‹Lock button
2ŠUnlock button* for tailgate
3Locking tab for mechanical key
4ŒUnlock button
5Battery check lamp
6ÂPanic button (
page 99)
116 Controls in detail
Locking and unlocking
SmartKey with KEYLESS-GO*
Vehicles equipped with KEYLESS-GO come
with two SmartKeys with KEYLESS-GO,
each with remote control and a removable
mechanical key.
The locking tabs for the mechanical key
portion of the two SmartKeys with
KEYLESS-GO are a different color to help
distinguish each SmartKey with
KEYLESS-GO unit.
The KEYLESS-GO function is integrated
into the SmartKey. On these vehicles, the
validity of the SmartKey with KEYLESS-GO
is checked when you grasp an outside door
handle.
If the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks
the doors
the tailgate
the fuel filler flap
SmartKey with KEYLESS-GO*
1‹ Lock button
2Š Unlock button* for tailgate
3Locking tab for mechanical key
4Œ Unlock button
5Battery check lamp
6Â Panic button (
page 99)
Warning!G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO* 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
vehicle equipment may cause an accident
and/or serious personal injury.
!To prevent possible malfunction, avoid
exposing the SmartKey with KEYLESS-GO to high
levels of electromagnetic radiation.
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interfer-
ence, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
124 Controls in detail
Locking and unlocking
Lift handle 1 in direction of arrow3.
The tailgate is released and can be
opened manually.Opening the tailgate from the inside
electrically*
In vehicles with power tailgate* you can
open the tailgate from the inside if the
vehicle is stationary.
A minimum height clearance of
7.2 ft (2.20 m) is required to open the
tailgate.
The switch is located on the door control
panel.
1Remote tailgate switch with indicator
lampPull 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.
iIf you do not open the tailgate within a few
seconds, the tailgate lock will automatically en-
gage again. Additionally, the tailgate will relock
automatically, if the vehicle was locked when the
tailgate was released from the inside.
If the tailgate lock does not engage automatically
and, if applicable, the tailgate does not relock
after a few seconds, you have to close the
tailgate manually (
page 125).
Warning!G
Only drive with the tailgate closed as,
among other dangers such as blocked
visibility, exhaust fumes may enter the
vehicle interior.
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*.
125 Controls in detail
Locking and unlocking
Limiting opening height of tailgate*
Vehicles with power tailgate*:
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 189).
Closing the tailgate
Closing the tailgate from the inside
electrically*
In vehicles with power tailgate* you can
close the tailgate from the inside using the
remote tailgate switch.
Press remote tailgate switch1
(
page 124) 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
(
page 124).
!The tailgate swings open upwards automat-
ically. Always make sure there is sufficient over-
head clearance. To stop the opening procedure,
press or pull remote tailgate switch1 or press
theŠ button on the SmartKey or SmartKey
with KEYLESS-GO*. The tailgate stops moving.
iThe tailgate can also be opened using
theŠ button on the SmartKey (
page 115)
or SmartKey with KEYLESS-GO* (
page 121).
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
starter 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.
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).