2005 MERCEDES-BENZ G55AMG Owner's Manual

89 Safety and Security
Anti-theft systems
Disarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the SmartKey. The
turn signal lamps blink once to indicate
that the alarm system is disarmed.Canceling the alarm
To cancel the alarm:

Press the Œ or ‹ button on the
SmartKey.
or

Insert the SmartKey in the starter
switch.
Tow-away alarm
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.
iIf the turn signal lamps do not blink
three times, one of the following ele-
ments may not be properly closed:

a door


the tailgate


the hood
Close the respective element and lock
the vehicle again.
iThe tow-away protection alarm is trig-
gered, for example, if the vehicle is lift-
ed on one side.
If the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem provided Tele Aid service was
subscribed to and properly activated,
and that necessary cellular service and
GPS coverage are available.

90 Safety and SecurityAnti-theft systemsArming tow-away alarm
When you lock your vehicle, the tow-away
alarm is automatically armed.
When you unlock your vehicle, the
tow-away protection disarms
automatically.
Disarming tow-away alarm
To prevent triggering the tow-away alarm
feature, switch off the tow-away alarm be-
fore towing the vehicle, or when parking on
a surface subject to movement, such as
a ferry or auto train.The switch is located on the center con-
sole.
1Tow-away alarm off switch
2Indicator lamp

Switch off the ignition and remove the
SmartKey from the starter switch.

Press upper half1 of the switch.
Indicator lamp2 in the switch comes
on briefly.

Lock your vehicle with the SmartKey.
The tow-away alarm remains disarmed un-
til you lock your vehicle again.
Canceling the tow-away alarm
To cancel the alarm:

Press the Œ or ‹ button on the
SmartKey.
or

Insert the SmartKey in the starter
switch.
iYou cannot disarm the tow-away alarm
when the ignition is switched on.

91 Controls in detail
Locking and unlocking
Seats
Memory function
Lighting
Instrument cluster
Control system
Automatic transmission
Transfer case
Differential locks
Good visibility
Climate control
Power windows
Power tilt/sliding sunroof
Driving systems
Loading
Useful features

92 Controls in detailIn 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 giv-
en at the beginning of each segment.Locking and unlocking
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 different color to help
distinguish each key 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 control1‹ Lock button
2Locking tab for mechanical key
3ΠUnlock button
4Battery check lamp
5Â Panic button (
page 79)
iYou can also open and close the power
windows (
page 172) and tilt/sliding
sunroof (
page 175) using the
SmartKey.

93 Controls in detail
Locking and unlocking
!
To prevent possible malfunction, avoid
exposing the SmartKey to high levels of
electromagnetic radiation.Warning!
G
When leaving the vehicle, always remove the
SmartKey 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. It is possible
for children to open a locked door from the
inside, which could result in an accident
and/or serious personal injury.
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
interference, and
(2) this device must accept any inter-
ference received, including interfer-
ence that may cause undesired
operation.
Any unauthorized modification to this
device could void the user’s authority
to operate the equipment.
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 interfer-
ence, 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.

94 Controls in detailLocking and unlockingFactory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs on the doors move up.
The anti-theft alarm system is dis-
armed.
The vehicle will lock again automatically
within approximately 40 seconds of un-
locking if:


neither door nor tailgate is opened


the SmartKey is not inserted in the
starter switch


the central locking switch is not
activatedGlobal locking

Press button‹.
With the hood, tailgate and all doors
closed, all 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 so that
pressingŒ only unlocks the driver’s
door and the fuel filler flap.

Press and hold buttonsŒ and‹
simultaneously for about five seconds
until battery check lamp4 blinks
twice.
The SmartKey will then function as
follows:Unlocking the driver’s door and fuel
filler flap

Press buttonΠonce.
All turn signal lamps flash once. The
locking knobs on the doors move up.
The anti-theft alarm system is
disarmed.
Global unlocking

Press buttonΠtwice.
All turn signal lamps flash once. The
locking knobs on the doors move up.
The anti-theft alarm system is
disarmed.

95 Controls in detail
Locking and unlocking
Global locking
Press button‹.
With the hood, tailgate and all doors
closed, all turn signal lamps flash three
times. The locking knobs on the doors
move down.
The anti-theft alarm system is armed.
Restoring to factory setting

Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp4 blinks
twice.Checking the batteries

Press button‹ orŒ.
Battery check lamp4 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.
!If you can no longer lock or unlock the
vehicle with the SmartKey, then the
batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.

Check the batteries in the
SmartKey (
page 95) and replace
them if necessary (
page 331).


Use the mechanical key to unlock
the driver’s door (
page 325).


Have the vehicle battery and the
battery connections checked by an
authorized Mercedes-Benz Light
Truck Center (
page 351).


Use the mechanical key to lock the
driver’s door and the tailgate
(page 326).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Light Truck Center.
!If battery check lamp4 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 331).
You can obtain the required batteries
at any authorized Mercedes-Benz Light
Truck Center.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing the
button‹ orŒ will lock or unlock
the vehicle accordingly.

96 Controls in detailLocking and unlockingLoss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:
Have the SmartKey deactivated by an
authorized Mercedes-Benz Light Truck
Center.

Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.

If necessary have the mechanical lock
replaced.
Your authorized Mercedes-Benz Light
Truck Center will be glad to supply you
with a replacement.
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 handle
iIf the vehicle has previously been
locked from the outside with the
SmartKey, opening a door or the tail-
gate from the inside will trigger the
alarm.
To cancel the alarm do one the follow-
ing:

Press the Œ or ‹ button on
the SmartKey.


Insert the SmartKey in the starter
switch.