2003 MERCEDES-BENZ G55AMG technical data

Contents
Technical data................................. 307
Spare parts service ............................ 308
Warranty coverage............................. 309
Loss of Service and Warranty
Information Booklet ..................... 309
Identification labels ........................... 310
Layout of poly-V-belt drive ................. 311
G 500/G 55 AMG ........................ 311
Engine................................................ 312
Rims and tires.................................... 313
Tires and Spare wheel .................. 313
Electrical system ............................... 314
Main dimensions, vehicle weights
and ratings......................................... 315
Main dimensions .......................... 315
Vehicle weights and ratings ......... 315Fuels, coolants, lubricants etc. ........... 316
Capacities ..................................... 316
Engine oils .................................... 317
Engine oil additives ....................... 317
Air conditioning refrigerant ........... 317
Brake fluid..................................... 318
Premium unleaded gasoline .......... 318
Fuel requirements ......................... 318
Gasoline additives......................... 319
Coolants ....................................... 319
Anticorrosion/antifreeze .............. 320
Windshield/rear window washer
system and headlamp cleaning
system .......................................... 321
Consumer information ........................ 322
Uniform tire quality grading .......... 322
Technical terms............................... 325Index................................................. 331

15 Introduction
Where to find it
Where to find it
This Operator’s Manual is designed to pro-
vide comprehensive support information
for you, the vehicle operator. For you to
find information quickly each section has
its own reference color:At a glance
Here you will find an overview of all the
controls that can be operated from the
driver’s seat.Getting started
Here you will find all the information you
need for your first drive. You should read
this section first if this is your first
Mercedes-Benz vehicle or if you are rent-
ing or borrowing this vehicle.Safety and Security
Here you will find descriptions of the safety
features of your vehicle.
Controls in detail
Here you will find detailed information
about the equipment installed on your ve-
hicle. This section expands on the “Getting
started” section and also describes techni-
cal innovations. If you are already familiar
with the basic functions of your vehicle,
this section will be of particular interest to
you.Operation
Here you will find all the information you
need for the proper operation of your vehi-
cle.Practical hints
This section provides fast assistance for
dealing with problems you may encounter.
Technical data
All important technical data for your vehi-
cle can be found in this section.Indexes
The glossary provides explanations of the
most important technical terms.
The table of contents and the index are de-
signed to help you find information quickly
and easily.
The following publications are part of your
vehicle documentation:

this Operator’s Manual


the Service Booklet
Separate operating instructions will be
provided as required depending on the
equipment options installed in your vehi-
cle.

17 Introduction
Operating safety
Operating safety
Proper use of the vehicle
Proper use of the vehicle requires that you
are familiar with the following information
and rules:

the safety precautions in this manual


the “Technical data” section in this
manual


traffic rules and regulations


motor vehicle laws and safety stan-
dards
Warning!
G
Work improperly carried out on electronic
components and associated software could
cause them to cease functioning. Because
the vehicle’s electronic components are in-
terconnected, any modification made may
produce an undesired effect on other sys-
tems.
Electronic system malfunctions could seri-
ously impair the operating safety of your ve-
hicle.
Ensure that any repairs or modifications to
electronic components are carried out by an
authorized Mercedes-Benz Light Truck Cen-
ter.
Other improper work or modifications on the
vehicle could also have a negative impact on
the operating safety of the vehicle.
Some safety systems only function while the
engine is running. You should therefore nev-
er turn off the engine while driving.

215 Operation
At the gas station
Check regularly and before a long trip
1Coolant
2Brake fluid
Coolant
For normal replenishing, use water (pota-
ble water quality). For more information on
coolant level see (
page 220) and the
“Technical data” section (
page 316).
Brake fluid
More information on brake fluid can be
found in the “Technical data” section
(
page 316).Windshield/rear window washer sys-
tem and headlamp cleaning system
For more information on refilling the reser-
voir, see (
page 222).
Engine oil level
For more information on engine oil, see
(
page 218).
Vehicle lighting
Check function and cleanliness. More in-
formation on replacing light bulbs can be
found in the “Practical hints” section
(page 279).
Exterior lamp switch (
page 100).
Tire inflation pressure
For more information on tire inflation pres-
sure, see (
page 225).
iUse only premium unleaded gasoline
with a minimum Posted Octane Rating
of 91 (average of 96 RON / 86 MON).
Information on gasoline quality can
normally be found on the fuel pump.
More information on gasoline can be
found in the Factory Approved Service
Products pamphlet. iLeaving the engine running and the fuel
cap open can cause the
?
lamp to
illuminate.
See also “Practical hints” section
(
page 243).
iOpening the hood, see (
page 216).

219 Operation
Engine compartment
If you see the messageOBSERVE WAITING PERIOD 
If engine is at normal operating temper-
ature, wait five minutes before repeat-
ing check procedure.

If the engine is not yet at normal oper-
ating temperature, wait 30 minutes be-
fore repeating check procedure.
If you see the message:
ENGINE OIL LEVEL – NOT WHEN ENGINE ON 
Turn off the engine. If engine is at nor-
mal operating temperature, wait five
minutes before checking oil. If the en-
gine is not yet at normal operating tem-
perature, you must wait 30 minutes
before checking oil.
More information on engine oil can be
found in the “Technical data” section
(
page 316).With the dipstick
1Oil dipstick
2Oil filler cap

Remove oil dipstick1.

Wipe oil dipstick1 clean.

Fully insert oil dipstick1 in tube, and
remove after three seconds to obtain
accurate reading.
Oil dipstick
The oil level is correct when it is be-
tween the lower (min) and upper (max)
mark of the dipstick.

Add engine oil if necessary.iFill quantity between upper and lower
dipstick marking, the level is approxi-
mately 2.1 US qt (2.0 l).

221 Operation
Engine compartment
The coolant expansion tank is located on
the passenger side of the engine compart-
ment.
1Cap

Using a rag, turn the cap slowly approx-
imately one half turn to the left to re-
lease any excess pressure.

Continue turning the cap to the left and
remove it.

Check coolant level.
The coolant level is correct if the level

for cold coolant: is level with the
mark on the reservoir


for warm coolant: is approx. 0.6 in
(1.5 cm) higher

Add coolant as required.

Replace and tighten cap until you hear
it click a few times. If coolant has to be added, a 50 / 50 mix-
ture of water and
MB Anticorrosion /Antifreeze should be
added.
More information on coolant can be found
in the “Technical data” section
(
page 316).

307 Technical data
Spare parts service
Warranty coverage
Identification labels
Layout of poly-V-belt drive
Engine
Rims and tires
Electrical system
Main dimensions, vehicle weights and ratings
Fuels, coolants, lubricants etc.
Consumer information

308 Technical dataSpare parts serviceThe “Technical data” section provides the
necessary technical data for your vehicle.
Spare parts serviceAll authorized Mercedes-Benz Light Truck
Centers maintain a stock of original spare
parts required for maintenance and repair
work. In addition, strategically located
parts distribution centers provide quick
and reliable parts service.
More than 300 000 different spare parts
for Mercedes-Benz models are available.
Mercedes-Benz original spare parts are
subjected to stringent quality inspections.
Each part has been specifically developed,
manufactured or selected for and adapted
to Mercedes-Benz vehicles.
Therefore, Mercedes-Benz original spare
parts should be installed.
!The use of non-genuine parts and ac-
cessories not authorized by
Mercedes-Benz could damage the vehi-
cle, which is not covered by the
Mercedes-Benz Limited Warranty, or
could compromise the vehicle’s dura-
bility or safety.