2003 MERCEDES-BENZ G55AMG battery

Contents
Climate control .................................. 150
Setting the temperature ............... 152
Adjusting air distribution and
volume ......................................... 153
Defrosting .................................... 154
Air recirculation............................ 154
Rear window defroster ................. 155
Residual engine heat utilization.... 156
Deactivating the climate control
system ......................................... 156
Air conditioning ............................ 157
Rear passenger compartment
adjustable air vents ...................... 157
Power windows.................................. 158
Opening and closing the windows 158
Sliding/pop-up roof ........................... 160
Opening and closing the
sliding/pop-up roof ...................... 160
Driving systems ................................. 162
Cruise control .............................. 162
Rear Park Assist* ......................... 165
Loading.............................................. 168
Roof rack ..................................... 168
Cargo area cover.......................... 168
Enlarged cargo area ..................... 169
Split rear seat bench .................... 169Partition net* (MB Accessory) ...... 171
Loading instructions ..................... 173
Cargo tie-down rings ..................... 175
Useful features ................................... 176
Interior storage spaces ................. 176
Ashtrays........................................ 179
Cigarette lighter ............................ 181
Electrical outlet ............................. 181
Telephone* ................................... 182
Tele Aid ......................................... 183
Garage door opener ...................... 191
Heated steering wheel .................. 194
Operation.......................................... 195
The first 1000 miles (1500 km) .......... 196
Driving instructions ............................ 197
Drive sensibly – save fuel.............. 197
Drinking and driving ...................... 197
Pedals ........................................... 197
Power assistance .......................... 198
Brakes........................................... 198
Driving off ..................................... 199
Parking.......................................... 199
Tires .............................................. 200
Hydroplaning................................. 200Tire traction .................................. 201
Tire speed rating ........................... 201
Winter driving instructions ............ 202
Standing water ............................. 203
Passenger compartment............... 203
Off-road driving ............................. 203
Control and operation of radio
transmitters .................................. 210
Driving abroad .............................. 211
Catalytic converter ....................... 211
Emission control ........................... 212
Coolant temperature .................... 212
At the gas station ............................... 214
Check regularly and
before a long trip .......................... 215
Engine compartment .......................... 216
Hood ............................................. 216
Engine oil ...................................... 217
Transmission fluid level ................ 220
Coolant level ................................. 220
Windshield/rear window washer
system and headlamp cleaning
system .......................................... 222
Battery ............................................... 223

ContentsTires and wheels ................................ 224
Important guidelines .................... 224
Life of tire ..................................... 225
Direction of rotation ..................... 225
Checking tire inflation pressure ... 225
Rotating wheels............................ 226
Winter driving..................................... 228
Winter tires................................... 228
Block heater (Canada only) .......... 228
Snow chains ................................. 229
Maintenance ...................................... 230
Clearing the service indicator....... 230
Service term exceeded................. 230
Calling up the service indicator .... 231
Resetting the service indicator ..... 231
Vehicle care ....................................... 232
Cleaning and care of the vehicle .. 232Practical hints.................................. 237
What to do if … .................................. 238
Lamps in instrument cluster ......... 238
Lamp in center console ................ 244
Messages in the display ............... 246Where will I find ................................ 268
First aid kit ................................... 268
Vehicle tool kit ............................. 268
Vehicle jack.................................. 269
CD-changer .................................. 269
Spare wheel ................................. 270
Unlocking/locking in an emergency .. 272
Unlocking the vehicle ................... 272
Locking the vehicle ...................... 273
Changing batteries in
the SmartKey ............................... 273
Fuel filler flap ............................... 274
Manually unlocking the
transmission selector lever .......... 275
Opening/closing in an emergency ..... 276
Sliding/pop-up roof ..................... 276
Brush guard* ..................................... 277
Lowering and raising brush guard 278
Replacing bulbs ................................. 279
Bulbs ............................................ 279
Replacing bulbs for front lamps ... 281
Replacing bulbs for rear lamps..... 286
Replacing wiper blades ...................... 289
Removal ....................................... 289
Installation ................................... 289Flat tire .............................................. 290
Preparing the vehicle ................... 290
Mounting the spare wheel............ 291
Battery............................................... 295
Charging the battery .................... 295
Disconnecting the battery ............ 296
Reconnecting the battery............. 296
Jump starting ..................................... 297
Towing the vehicle ............................. 299
Transporting the vehicle .............. 301
Towing the vehicle with
various faults ............................... 301
Front towing eye .......................... 302
Rear towing eye ........................... 302
Freeing a stranded vehicle ........... 302
Fuses ................................................. 303
Fuse box in passenger
compartment ............................... 303
Fuse box in battery box................ 303
Fuse box in front passenger
footwell ........................................ 304
Fuse box in middle tunnel ............ 305

33 Getting started
Unlocking
Starter switch positionsStarter switch0For removing key
The steering is locked when the key is
removed from the starter switch. If
necessary, move steering wheel slight-
ly to allow the locking mechanism to
engage.
1Power supply to some electrical con-
sumers, such as seat adjustment
2Ignition (power supply for all electrical
consumers) and driving position
3Starting position
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.
!If the key is left in starter switch
position0 for an extended period of
time, it can no longer be turned in the
starter switch.

Remove key from the starter switch
and reinsert.
If the key can still not be turned, the
battery may not be sufficiently
charged.


Check the battery and charge it if
necessary (
page 295).


Get a jump start (
page 297).
To prevent accelerated battery dis-
charge and a possible dead battery, al-
ways remove the key from the starter
switch.

44 Getting startedDriving
Make sure that the selector lever is set
toP.

Do not depress accelerator.

Turn key in the starter switch to
position3 and hold until the engine
starts (
page 33).

Depress the brake pedal.
The selector lever lock is released.
For information on turning off the engine,
see “Turning off engine” (
page 51).Starting difficulties
If the engine does not start as described,
carry out the following steps:

Turn key in starter switch to position0
and repeat starting procedure.

Remember that extended starting at-
tempts can drain the battery.

Get a jump start (
page 297).
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.

Notify an authorized Mercedes-Benz
Light Truck Center.Parking brake
1Lever
2Button
iYou can also use the “touch-start”
function. Turn the key to position3 and
release it again immediately. The en-
gine then starts automatically.
Warning!
G
When leaving the vehicle, always remove the
key from the starter switch, and lock the ve-
hicle.
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could release the parking brake,
which could result in an accident and/or se-
rious personal injury.

84 Controls in detailLocking and unlockingIn 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 unlockingKeys
Your vehicle comes supplied with two
SmartKeys with remote controls and a re-
movable mechanical key. The locking tabs
for the mechanical key portion of the two
keys are a different color to help distin-
guish each key unit.
The remote control key provides an ex-
tended operating range. To prevent theft,
however, it is advisable to only unlock the
vehicle when you are in close proximity to
it.
The key centrally locks and unlocks:

the doors


the tailgate


the fuel filler flap
SmartKey with remote controls1‹
Lock button
2Locking tab for mechanical key
3
Œ
Unlock button
4Battery check lamp
5
Â
Panic button (
page 70)
iYou can also open and close the power
windows (
page 159) and slid-
ing/pop-up roof (
page 161) using
the SmartKey.

85 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press button
Œ
.
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 key so that
pressing
Œ
only unlocks the driver’s
door and the fuel filler flap.

Press and hold buttons
Œ
and
‹

simultaneously for about five seconds
until battery check lamp6 blinks twice.
The key will then function as follows:
Unlocking driver’s door and fuel filler
flap

Press button
Œ
once.
Global unlocking

Press button
Œ
twice.
Global locking

Press button
‹
.Restoring to factory setting

Press and hold buttons
Œ
and
‹

simultaneously for about six seconds
until the battery check lamp6 blinks
twice.
!To prevent possible malfunction, avoid
exposing the key to high levels of elec-
tromagnetic radiation.
Warning!
G
When leaving the vehicle, always remove the
key from the starter switch, and lock the ve-
hicle. 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 re-
sult in an accident and/or serious personal
injury.

86 Controls in detailLocking and unlocking
Checking the batteries
Press button
‹
or
Œ
.
Battery check lamp6 lights up briefly
to indicate that the key batteries 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 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 remote control are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.

Use the mechanical key to unlock
the doors (
page 272).


Check the vehicle battery
(page 295).


Check the batteries in the key and
replace them if necessary
(page 86).


Use the mechanical key to lock the
doors and the tailgate
(page 273).
If the key is malfunctioning, contact an
authorized Mercedes-Benz Light Truck
Center.
!If battery check lamp6 does not light
up briefly during check, then the key
batteries are discharged.
Replace the batteries (
page 273).
You can obtain the required batteries
at any authorized Mercedes-Benz Light
Truck Center.

105 Controls in detail
Lighting
Deactivating
Press the
ñ
symbol on rocker
switch 3.
The interior lighting and the entry
lamps remain switched off in darkness,
even when you


unlock the vehicle


open a door


remove the key from the starter
switchManual control
Switching lamps on

Press the
ð
symbol on rocker
switch 3.
The interior lighting remains on even
when the doors are closed.
Switching lamps off

Move rocker switch 3 to center posi-
tion to activate the automatic control.
Rear interior lamps
The rear interior lamps are located above
the rear seat bench on the left and right
side.
1The lamps are switched on
continuously
2The lamps are switched off
3Automatic function
!To prevent the vehicle battery from be-
ing discharged, all interior lamps
switch off automatically after approxi-
mately 30 minutes with the tailgate
open.
If an interior lamp is switched on man-
ually, it does not go out automatically.
Before leaving the vehicle, make sure
that the interior lamps are switched off.
The rear interior lamps can be switched
on with the SmartKey in starter switch
position0 or key removed from the
starter switch for up to 30 minutes.