key battery MERCEDES-BENZ G55AMG 2008 W463 Owner's Manual

Contents
Practical hints................................. 323
What to do if … .................................. 324 Lamps in instrument cluster ........ 324
Lamp in center console ................ 335
Vehicle status messages in the
multifunction display .................... 336
Where will I find...? ............................ 364
First aid kit ................................... 364
Vehicle tool kit ............................. 364
Vehicle jack.................................. 365
CD changer .................................. 366
Spare wheel ................................. 366
Unlocking/locking in an emergency .. 368 Unlocking the vehicle ................... 368
Locking the vehicle ...................... 369
Fuel filler flap ............................... 370
Manually unlocking the gear
selector lever ............................... 371
Opening/closing in an emergency..... 372 Tilt/sliding sunroof ...................... 372
Brush guard ....................................... 373 Lowering and raising brush guard 373
Replacing SmartKey batteries ........... 374 Replacing bulbs .................................. 375
Bulbs ............................................. 375
Replacing bulbs for front lamps .... 378
Replacing bulbs for rear lamps ..... 383
Replacing wiper blades....................... 386 Wiper blades ................................. 386
Flat tire ............................................... 388 Preparing the vehicle .................... 388
Mounting the spare wheel ............ 389
Battery................................................ 394 Disconnecting, removing,
reinstalling and reconnecting the
battery .......................................... 396
Charging the battery ..................... 396
Jump starting ...................................... 397
Towing the vehicle .............................. 399 Transporting the vehicle ............... 401
Towing the vehicle -
various problem scenarios ............ 401
Front towing eye ........................... 402
Rear towing eye ............................ 402
Stranded vehicle ........................... 402 Fuses.................................................. 403
Main fuse box in passenger
compartment ................................ 404
Fuse box in front passenger
footwell ......................................... 404
Fuse box in middle tunnel ............. 405
Fuse box in battery box ................ 406
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40 Getting started
Unlocking
For information on starting the engine, see
(
page 54).
iWhen you switch on the ignition, the indica-
tor and warning lamps (except high beam head-
lamp indicator lamp and turn signal indicator
lamps unless activated) in the instrument cluster
come on. The indicator and warning lamps
(except high beam headlamp indicator lamp and
turn signal indicator lamps if activated) will go
out when the engine is running. This indicates
that the respective systems are operational.
iThe SmartKey can only be removed from the
starter switch with the gear selector lever in park
position P.
iIf the SmartKey is left in starter switch
position 0 for an extended period of time, it can
no longer be turned in the switch. In this case,
the steering is locked. To unlock, remove
SmartKey from the starter switch and reinsert.
!If the SmartKey cannot be turned in the
starter switch, the battery may not be
sufficiently charged.

Check the battery and charge it if necessary
(
page 396).

Get a jump start (page 397).
To prevent accelerated vehicle battery discharge
or a completely discharged vehicle battery,
always remove the SmartKey from the starter
switch when the engine is not in operation.
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55
Getting started
Driving
Remember that extended starting
attempts can drain the battery.
Get a jump start (page 397).
If the engine does not start after several
starting attempts, there could be a mal-
function in the engine electronics or in the
fuel supply system.
Contact an authorized Mercedes-Benz
Light Truck Center or call Roadside
Assistance.
Parking brake 1
Parking brake lever
2 Release buttonPull up slightly on parking brake
lever 1 and press release button 2.
Push parking brake lever 1 down to
its original position.
The brake warning lamp ;
(USA only) or 3 (Canada only) in
the instrument cluster goes out.
Driving off
Depress the brake pedal.
The gear selector lever lock is released.
Move the gear selector lever to drive
position D or reverse gear R.
Release the brake pedal.
Carefully depress the accelerator.
Warning!G
When leaving the vehicl e, 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. Children
could release the parking brake, which
could result in an accident and/or serious
personal injury.
!In order to avoid damage to the transmis-
sion:

Wait for the gear selection process to com-
plete before setting the vehicle in motion.

Place the gear selector lever in park
position P or reverse gear R only when the
vehicle is stopped.
!If you hear a warning signal and the
message
Release parking brake appears in
the multifunction display when driving off, you
have forgotten to release the parking brake.
Release the parking brake (
page 55).
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65
Getting started
Parking and locking
Locking
Exit the vehicle and close all doors and
the tailgate.
Press lock button
‹ on the
SmartKey (
page 38).
With the hood, tailgate and all doors
closed:

All turn signal lamps flash three
times.

The locking knobs in the doors
move down.

The anti-theft alarm system is
armed.
For more information, see “Locking and
unlocking” (
page 100).
Warning!G
To prevent possible pe rsonal injury, always
keep hands and fingers away from the door
openings when closing the doors. Be
especially careful when small children are
around.
Before closing doors, make sure there is no
possibility of someone getting caught in a
door during closing.
Warning!G
When leaving the vehicl e, 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. A child’s
unsupervised access to a vehicle could
result in an accident and/or serious
personal injury.
iIf you hear a warning signal you have forgot-
ten to switch off the headlamps before opening
the driver’s door.
In addition the message
Switch off lights
appears in the multifunction display.
Switch off the headlamps.
!Failure to switch off the headlamps when
leaving the vehicle may result in a discharged
battery.
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95
Safety and Security
Anti-theft systems
 Anti-theft systems
Immobilizer
The immobilizer prev ents unauthorized
persons from starting your vehicle.
Activating
Remove the SmartKey from the starter
switch.
Deactivating
Turn the SmartKey in the starter switch
to position 2 (
page 39).
Anti-theft alarm
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens

a door

the tailgate

the hood
The alarm will stay on, even if the activat-
ing element (a door, for example) is imme-
diately closed. The alarm system will also be triggered
when

someone attempts to raise the vehicle

the vehicle is opened with the
mechanical key

someone opens a door from the inside

someone opens the tailgate from the
inside
iStarting the engine wi
ll also deactivate the
immobilizer.
In case the engine cannot be started (yet the
vehicle’s battery is charged), the system is not
operational. Contact an authorized
Mercedes-Benz Light Truck Center or call
1-800-FOR-MERCedes (in the USA), or
1-800-387-0100 (in Canada).
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100 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
basic 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.
For more information on locking and
unlocking, see the “Getting started”
section (
page 38) and (page 65).
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
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
2 Locking tab for mechanical key
3 Mechanical key (
page 368)
4 ΠUnlock button
5 Battery check lamp
6 Â Panic button (
page 86)
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101
Controls in detail
Locking and unlocking
Warning!G
When leaving the vehicl
e, 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.
!To prevent possible malfunction, avoid
exposing the SmartKey to high levels of electro-
magnetic radiation.
!If you cannot lock or unlock the vehicle with
the SmartKey, the batteries in the SmartKey are
discharged, the SmartKey is malfunctioning, or
the vehicle battery is drained.

Check the batteries in the SmartKey
(
page 103) and replace them if necessary
(
page 374).

Unlock the vehicle as described in the
“Practical hints” section (
page 368).

Lock the vehicle as described in the
“Practical hints” section (
page 369).

Have the vehicle battery and the vehicle
battery connections checked at an autho-
rized Mercedes-Benz Light Truck Center
(
page 394).
If the SmartKey is malfunctioning, contact an
authorized Mercedes-Benz Light Truck Center.
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 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.
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 interference received, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
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102 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press buttonŒ.

All turn signal lamps flash once.

The locking knobs in the doors
move up.

The anti-theft alarm system is
disarmed. The vehicle will lock again automatically
and rearm the anti-theft alarm system
within approximately 40 seconds of
unlocking if

neither door nor tailgate is opened

the SmartKey is not inserted in the
starter switch

the central locking switch is not
activated
Global locking
Press button ‹.
With the hood, tailgate and all doors
closed:

All turn signal lamps flash three
times.

The locking knobs in 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 press-
ing button
Œ only unlocks the driver’s
door and the fuel filler flap.
Press and hold buttons Œ and‹
simultaneously for about 5 seconds
until battery check lamp 5
(
page 100) flashes twice.
The SmartKey will then function as
follows:
Unlocking driver’s do or and fuel filler
flap
Press button Πonce.

All turn signal lamps flash once.

The locking knobs in the doors
move up.

The anti-theft alarm system is
disarmed.
iYou can also open or close the power
windows and tilt/slidin g sunroof using the
SmartKey, see “Summer opening feature”
(
page 193) and see “Convenience closing fea-
ture” (
page 194).
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103
Controls in detail
Locking and unlocking
Global unlocking
Press button
Πtwice.

All turn signal lamps flash once.

The locking knobs in the doors
move up.

The anti-theft alarm system is
disarmed.
Global locking
Press button ‹.
With the hood, tailgate and all doors
closed:

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 buttons
Œ and‹
simultaneously for about 6 seconds
until battery check lamp 5
(
page 100) flashes twice.
Checking batteries in the SmartKey
Press button ‹ orŒ .
Battery check lamp 5 (
page 100)
comes on briefly to indicate that the
SmartKey batteries are in order.
Loss of the SmartKey
If you lose your SmartKey or mechanical
key, you should do the following:
Have the SmartKey deactivated at 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.
Any authorized Mercedes-Benz Light Truck
Center will be glad to supply you with a re-
placement.
iIf battery check lamp 5 does not come on
briefly during check, the SmartKey batteries are
discharged.
Replace the batteries (
page 374).
You can obtain the required batteries at any
authorized Mercedes-Benz Light Truck Center.
iIf the batteries are checked within signal
range of the vehicle, pressing button ‹
or Πwill lock or unlock the vehicle
accordingly.
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104 Controls in detail
Locking and unlocking
Opening the doors from the inside
You can open a locked door from the
inside. Open door only when conditions
are safe to do so.1 Locking knob
2 Inside door handle Front doors
Pull on inside door handle
2 on the
respective front door to open door.
If the door was locked, locking knob 1
will move up.
Rear doors
Pull up locking knob 1 on the
respective rear door to unlock door.
Pull on inside door handle 2 on the
respective rear door to open door.
iIf the vehicle has previously been locked
with the SmartKey, opening a door or the tailgate
from the inside will trigger the anti-theft alarm
system.
To cancel the alarm, do one the following:

Insert the SmartKey in the starter switch.

Press button Œ or‹ on the
SmartKey.iIf you hear a warning signal you have forgot-
ten to switch off the headlamps before opening
the driver’s door.
In addition the message
Switch off lights
appears in the multifunction display.
Switch off the headlamps.
!Failure to switch off the headlamps when
leaving the vehicle may result in a discharged
battery.
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