2004 MERCEDES-BENZ G55AMG key

84 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

Turn off the ignition and remove the
SmartKey.

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
while the ignition is turned on.

86 Controls in detailLocking and unlocking
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 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 controls1‹ Lock button
2Locking tab for mechanical key
3ΠUnlock button
4Battery check lamp
5Â Panic button (
page 73)
iYou can also open and close the power
windows (
page 165) and slid-
ing/pop-up roof (
page 167) using
the SmartKey.

87 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press buttonŒ.
All turn signal lamps blink once. The
locking knobs in the doors move up.
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, or the central locking
switch is not activated.
Global locking

Press button‹.
All turn signal lamps blink three times.
The locking knobs in the doors move
down.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 fol-
lows:
Unlocking driver’s door and fuel filler
flap

Press buttonΠonce.
Global unlocking

Press buttonΠtwice.
Global locking

Press button‹.Restoring to factory setting

Press and hold buttonsŒ and‹
simultaneously for about six seconds
until the battery check lamp4 blinks
twice.
!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, and lock
the vehicle. Do not leave children unattend-
ed in the vehicle, or with access to an un-
locked 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.

88 Controls in detailLocking and unlocking
Checking the batteries
Press button‹ orŒ.
Battery check lamp4 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.Loss 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.
!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 Smart-
Key (
page 88) and replace them if
necessary (
page 288).


Use the mechanical key to unlock
the doors (
page 287).


Have the vehicle battery and the
battery connections checked by an
authorized Mercedes-Benz Light
Truck Center (
page 311).


Use the mechanical key to lock the
doors and the tailgate
(page 288).
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 288).
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.

89 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 handle
Pull on door handle2.
If the door was locked, locking knob1
moves up.
Opening the tailgateOpening the tailgate from the outside
1Handle
2Lock cylinder

Press lock cylinder2 and pull on tail-
gate handle1.

Open the tailgate to the side.
iIf the vehicle has previously been
locked from the outside with the
SmartKey, opening a door from the in-
side 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.
Warning!
G
The tailgate swings open to one side. Always
make sure there is sufficient clearance for
the tailgate.
Only drive with the tailgate closed as other-
wise exhaust fumes may enter the vehicle
interior.
iThe vehicle must be unlocked.

90 Controls in detailLocking and unlockingOpening the tailgate from inside
1Locking knob
2Inside door handle
Pull on door handle2.
If door was locked, the locking knob1
moves up.
Closing the tailgate
Separately locking the tailgate
1Neutral position
2Locked
Warning!
G
Do not leave children unattended in the ve-
hicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal injury.
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.Warning!
G
Only drive with the tailgate closed as other-
wise exhaust fumes may enter the vehicle
interior.iTo prevent an inadvertent lockout, do
not place the SmartKey in the cargo
compartment.
iTo deny any unauthorized person ac-
cess to the tailgate, lock it separately
with the mechanical key. Leave only
the SmartKey less its mechanical key
with the vehicle.

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.

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.