2006 MERCEDES-BENZ R500 tailgate

116 Controls in detailLocking and unlocking
Important notes on using KEYLESS-GO*

You can also use the SmartKey with
KEYLESS-GO like a normal SmartKey
(page 110).


You can combine KEYLESS-GO func-
tions with normal SmartKey functions
(e.g. unlocking with KEYLESS-GO and
locking with the ‹button).


Always carry the SmartKey with
KEYLESS-GO with you.


Never store the SmartKey with
KEYLESS-GO together with

electronic items such as a cellular
phone or another SmartKey with
KEYLESS-GO


metallic objects such as coins or
metal foil
Doing so could impair the function of
the KEYLESS-GO system.


To lock or unlock the vehicle, the
SmartKey with KEYLESS-GO must be
located outside the vehicle within ap-
proximately 3 ft (1 m) of the respective
door or the tailgate.


In order to start the engine with the
SmartKey with KEYLESS-GO:

The SmartKey with KEYLESS-GO
must be located in the vehicle.


All doors must be closed.


The brake pedal must be firmly de-
pressed. Do not depress the accel-
erator.
iCanada only:
This device complies with RSS-210 of
Industry Canada. Operation is subject
to the following two conditions:
(1) This device may not cause
interference, and
(2) this device must accept any inter-
ference received, including interfer-
ence that may cause undesired
operation of the device.
Any unauthorized modification to this
device could void the user’s authority
to operate the equipment.iYou can also open and close the power
windows (
page 248) and tilt/sliding
sunroof* (page 255), or the
tilt/sliding panel* (
page 259) using
the SmartKey with KEYLESS-GO.

118 Controls in detailLocking and unlockingFactory 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 dis-
armed.
The vehicle will lock again automatically
and reactivate the anti-theft alarm system
within approximately 40 seconds of
unlocking if


neither door nor tailgate is opened


the central locking switch is not
activatedGlobal locking

Press the lock button at an outside
door handle (
page 68) or the tailgate
(
page 120).
With the tailgate and all doors closed,
the turn signal lamps flash three times.
The locking knobs on 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 with
KEYLESS-GO so when you grasp the driv-
er’s door handle only the driver’s door and
the fuel filler flap unlocks.

Press and hold buttonsŒ and‹
simultaneously for about 6 seconds
until battery check lamp5
(page 115) flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:
Unlocking driver’s door and fuel filler
flap

Grasp the driver’s outside door handle.
All turn signal lamps flash once. The
locking knob in the driver’s door moves
up. The anti-theft alarm system is dis-
armed.
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.
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 the outside
door handle

119 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 68) or the tailgate
(
page 120).
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 6 seconds
until battery check lamp5
(page 115) flashes twice.Checking the battery

Press button‹orŒ.
Battery check lamp5 (
page 115)
comes on briefly to indicate that the
SmartKey with KEYLESS-GO battery is
in order.
!If you can no longer lock or unlock the
vehicle with the SmartKey with
KEYLESS-GO, then the battery in the
SmartKey is discharged, the SmartKey
with KEYLESS-GO is malfunctioning or
the vehicle battery is drained.

Check the battery in the SmartKey
with KEYLESS-GO (
page 119)
and replace it if necessary
(
page 463).


Use the mechanical key to unlock
the driver’ door (
page 459).


Lock the vehicle as described in the
“Practical hints” section
(page 460).


Have the vehicle battery and the
vehicle battery connections
checked (
page 487).
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Light Truck Center.
iIf battery check lamp5 (
page 115)
does not come on briefly during check,
the SmartKey with KEYLESS-GO bat-
tery is discharged.
Replace the battery (
page 463).
You can obtain the required battery at
any authorized Mercedes-Benz Light
Truck Center.
iIf the battery is checked within signal
range of the vehicle, pressing the
button‹orŒ will lock or un-
lock the vehicle accordingly.

120 Controls in detailLocking and unlockingUnlocking and opening the 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.Locking the vehicle
1Lock button at tailgate

Press lock button on tailgate1.
or

Press the lock button on an outside
door handle (
page 68).
or

Vehicles with tailgate opening/closing
system*: Press the KEYLESS-GO
locking/closing switch in the tailgate
(page 129).
The vehicle locks. The turn signals flash
three times to confirm locking.
!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 procedure, press
buttonŠ on the SmartKey. The tail-
gate stops moving.iIf the vehicle was previously centrally
locked with the SmartKey or
KEYLESS-GO, the tailgate will lock au-
tomatically when closed (
page 124).
The turn signals will flash three times to
confirm locking.

122 Controls in detailLocking 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.
Vehicles without KEYLESS-GO*:
The vehicle must be unlocked (
page 37).

Pull on the handle.
The tailgate opens slightly.

Pull tailgate upwards to open.The tailgate can also be opened using the
SmartKey (
page 114).
iIf the vehicle has previously been
locked from the outside with the
SmartKey or 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.
With KEYLESS-GO*


Grasp an outside door handle.


Press the KEYLESS-GO start/stop
button (
page 40).
The SmartKey with KEYLESS-GO
must be inside the vehicle.
!Vehicles with tailgate opening/closing
system*:
To stop the opening procedure, press
buttonŠ on the SmartKey. The tail-
gate stops moving.
The tailgate swings open upwards auto-
matically. Always make sure there is
sufficient overhead clearance.iIf the vehicle was previously centrally
locked, the tailgate will lock automati-
cally after closing it (
page 124). The
turn signals will flash three times to
confirm locking.

123 Controls in detail
Locking and unlocking
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 of the
tailgate’s window trim.
1Handle
2Push
3Lift
Push handle 1 in direction of arrow2
and hold it there.

Lift handle 1 in direction of arrow3.
The tailgate is released and can be
opened manually.
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 7.2 ft
(2.20 m) is required to open the tailgate.
The switch is located on the door control
panel.1Remote tailgate switch with indicator
lamp

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.
iVehicles with tailgate opening/closing
system*:
If you do not open the tailgate within a
few seconds, the tailgate lock will auto-
matically engage again.


124 Controls in detailLocking and unlocking
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 189).
Closing 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 123) 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 123).
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
remote tailgate switch1. The tailgate
stops moving.
iThe tailgate can also be opened using
theŠ button on the SmartKey or
SmartKey with KEYLESS-GO*
(page 114).


125 Controls in detail
Locking and unlocking
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 the tailgate from the outside
manually
1Handle

Lower tailgate by pulling firmly on
handle1.

Close tailgate with hands placed flat on
it.
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.
Warning!
G
Only drive with the tailgate closed as,
among other dangers such as blocked
visibility, exhaust fumes may enter the
vehicle interior.