2011 MERCEDES-BENZ G55AMG technical data

! Information about the use of snow chain
compatible AMG winter tires is applicable
for AMG tires. Use of snow chains is only
permissible with these tires.
! There is not enough space for snow
chains on some wheel sizes. Observe the
information under "Tires and wheels" in the
"Technical Data" section to avoid damage
to the vehicle or the wheels.
R Only use snow chains when driving on
roads completely covered by snow. Do not
exceed the maximum permissible speed of
30 mph (50 km/h). Remove the snow
chains as soon as possible when you are no
longer driving on snow-covered roads.
R Local regulations may restrict the use of
snow chains. Applicable regulations must
be observed if you wish to mount snow
chains.
If you intend to install snow chains, please
bear the following points in mind:
R you may not attach snow chains to all
wheel-tire combinations; see the
information under "Wheels and tires" in the
"Technical data" section.
R mount snow chains only in pairs and only
to the rear wheels. Observe the
manufacturer's installation instructions.
! If snow chains are mounted on the front
wheels, the snow chains could grind
against the bodywork or components of the
chassis. This could result in damage to the
vehicle or the tires.
i You may wish to deactivate
ESP ®
(Y page 57) when pulling away with
snow chains installed. This way you can
allow the wheels to spin in a controlled
manner, achieving an increased driving
force (cutting action).Tire pressure
Tire pressure specifications
GWarning
Follow recommended tire inflation pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly, adversely
affect handling and fuel economy, and are
more likely to fail from being overheated.
Do not overinflate tires. Overinflated tires can
adversely affect handling and ride comfort,
wear unevenly, increase stopping distance,
and result in sudden deflation (blowout)
because they are more likely to become
punctured or damaged by road debris,
potholes etc.
Do not overload the tires by exceeding the
specified load limit as indicated on the Tire
and Loading Information placard on the
driver's door B-pillar. Overloading the tires
can overheat them, possibly causing a
blowout. Overloading the tires can also result
in handling or steering problems, or brake
failure.
You will find a table of recommended tire
pressures on the Tire and Loading
Information placard on the B-pillar on the
driver's side ( Y page 256). You will find a
table of tire pressures for various operating
conditions on the inside of your vehicle's fuel
filler flap.
To test tire pressure, use a suitable tire
pressure gauge. The outer appearance of a
tire does not permit any reliable conclusion
Tire pressure249Wheels and tiresZ

Vehicle equipment ............................274
Genuine Mercedes-Benz parts .........274
Warranty ............................................ 274
Vehicle identification plates ............275
Service products and capacities .....276
Vehicle data ...................................... 281273Technical data

Vehicle equipment
i This manual describes all the standard
and optional equipment of your vehicle
which was available at the time of
purchase. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
relevant systems and functions.
Genuine Mercedes-Benz parts
All authorized Mercedes-Benz Centers have a
stock of genuine Mercedes-Benz parts that
are required for servicing and repair work. In
addition, strategically located parts delivery
centers provide for quick and reliable parts
service.
There are more than 300,000 different
genuine Mercedes-Benz parts available for
Mercedes-Benz models.
Genuine Mercedes-Benz parts are subject to
strict quality control. Each part has been
specially developed, manufactured or
selected for Mercedes-Benz vehicles and
fine-tuned for them.
Therefore, only genuine Mercedes-Benz parts
should be used.
! The use of non-approved parts could
impair the vehicle's safety. For this reason,
Mercedes-Benz recommends genuine
Mercedes-Benz parts and approved
conversion parts and accessories for your
vehicle model.
HEnvironmental note
Daimler AG also supplies reconditioned major
assemblies and parts which are of the same
quality as new parts. They are covered by the
same Limited Warranty entitlements as new
parts.
Always specify the vehicle identification
number and engine number when ordering
genuine Mercedes-Benz parts. You will find
these numbers on the vehicle identification
plates on your vehicle, for example
( Y page 275).
Warranty
The Service and Warranty Information
booklet contains detailed information about
the warranties covering your vehicle.
Your authorized Mercedes-Benz Center will
replace and repair any factory-installed parts
based on the terms and conditions of the
following warranties:
R New Vehicle Limited Warranty
R Emission System Warranty
R Emission Performance Warranty
R California, Connecticut, Maine,
Massachusetts, New York, Pennsylvania,
Rhode Island and Vermont Emission
Control System Warranty
R State Warranty Enforcement Laws (Lemon
Laws)
Replacement parts and accessories are
covered by the Mercedes-Benz Parts and
Accessories warranties. You can obtain
information about this from any authorized
Mercedes-Benz Center.
i Should you lose your Service and
Warranty Information booklet, have an
authorized Mercedes-Benz Center arrange
for a replacement. It will be mailed to you.
274WarrantyTechnical data

Vehicle identification plates
Vehicle identification plate with
vehicle identification number (VIN)
and paint code number
XOpen the front left-hand door.
You will see vehicle identification plate :.
Vehicle identification plate (example, USA only)
;VIN=Paint code
Vehicle identification plate (example, Canada only)
;VIN=Paint codei
The data shown on the vehicle
identification plate is used only as an
example. This data is different for every
vehicle and can deviate from the data
shown here. The correct data for your
vehicle can be found on the vehicle
identification plate that is mounted on your
vehicle.
Vehicle identification number (VIN)
The vehicle identification number (VIN) can
be found in the following locations:
R on the vehicle identification plate
( Y page 275)
R stamped into the chassis on the right-hand
side (when viewed in the direction of travel)
R on the lower edge of the windshield
:VIN (stamped into the chassis on the
right-hand side, when viewed in the
direction of travel):VIN (on the lower edge of the windshield)Vehicle identification plates275Technical dataZ

Engine number
G 550 (example)
:Plate with information on emissions
testing, including the confirmation of the
emission standards at U.S. Federal level
as well as for California;Engine number (stamped into the
crankcase)
Service products and capacities
Important safety notes
Service products include the following:
R fuels
R lubricants (e.g. engine oil, transmission oil)
R coolant
R brake fluid
R windshield washer fluid
Vehicle components and their respective
lubricants must match. You should therefore
only use products that have been tested and
approved by Mercedes-Benz.
Information on tested and approved products
can be obtained at an authorized Mercedes-
Benz Center or on the Internet at http://
www.mbusa.com (USA only).
GWarning
Comply with all valid regulations with respect
to handling, storing and disposing of service
fluids. Otherwise, you could endanger
persons or the environment.
Keep service fluids out of the reach of
children.
For health reasons, you should prevent
service fluids from coming into direct contact
with your skin or clothing.
If a service fluid is swallowed, contact a
physician immediately.276Service products and capacitiesTechnical data

CapacitiesVehicle modelCapacityFuel, coolant,
lubricants etc.Engine oil and
filterG 5509.5 US qt (9.0 l)Approved engine
oilsG 55 AMG9.0 US qt (8.5 l)Power steeringAll modelsApproximately 1.06 US qt
(1.0 l)MB power steering
fluid or approved
Dexron III ATFCooling systemG 550Approximately 12.8 US qt
(12.1 l)MB 325.0 corrosion
inhibitor/antifreeze
agentG 55 AMGApproximately 13.4 US qt
(12.7 l)Tank capacityG 55025.4 US gal (96.0 l)Premium-grade
unleaded gasoline
(at least 91 octane,
average value
between 96 RON/
86 MON)G 55 AMG25.1 US gal (95.0 l)ReserveAll modelsApproximately 5.3 US gal
(20.0 l)Air-
conditioning
systemAll models—Refrigerant R134a
and special PAG
lubricant (never
R 12)Windshield/
headlamp
cleaning
systemAll models7.4 US qt (7.0 l)MB windshield
washer
concentrate 25
( Y page 281)
Mixing ratio for
washer fluid
( Y page 281)Fuel
Important safety notesGWarning
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious
personal injury.
Never allow sparks, flames or smoking
materials near gasoline.
Turn off the engine before refueling.
Whenever you are around gasoline, avoid
inhaling fumes and any skin or clothing
contact.25 Mixed with water or premixed washer fluid with antifreeze protection.Service products and capacities277Technical dataZ

Direct skin contact with fuels and the
inhalation of fuel vapors are damaging to your
health.
Premium-grade unleaded gasoline
! To ensure the longevity and full
performance of the engine, only premium-
grade unleaded gasoline must be used.
If premium-grade unleaded gasoline is
unavailable and regular gasoline is used,
observe the following precautions:
R only fill the fuel tank to half full with
regular unleaded gasoline and add the
rest as soon as possible with premium-
grade unleaded gasoline.
R do not drive at the maximum speed.
R avoid sudden acceleration.
R when the vehicle is carrying a light cargo,
e.g. two passengers without luggage, do
not allow the engine to rev above
3000 rpm.
R when the vehicle is fully loaded or being
operated in mountainous terrain, do not
depress the accelerator pedal further
than 2
/ 3 of the pedal travel.
Fuel requirements
Use only premium-grade unleaded gasoline.
The octane number should be at least 91.
Details can be found on the gas pump. The
octane number is the average value of the
Research Octane Number (RON) and the
Motor Octane Number (MON): (RON +
MON) / 2, also known as knock resistance.
Reformulated Gasoline (RFG) and/or
unleaded gasoline with additives can be used
if the concentration of the additives in the fuel
does not exceed 10%, e.g.:
R Ethanol
R TAME
R ETBE
R IPA
R TBA
For MTBE, the concentration should not
exceed 15%.
The concentration of methanol in gasoline
including other additives must not exceed
3 %.
Using mixtures of methanol and ethanol is not
permitted. Gasohol, a mixture of 10% ethanol
and 90% unleaded gasoline, can be used.
All of these mix fuels must fulfill the fuel
requirements, e.g.:
R knock resistance
R boiling point
R vapor pressure
Additives in gasoline
One of the major problems in engine design
is the creation of carbon deposits during the
process of burning fuel. Mercedes-Benz
recommends that you use fuel brands that
have the additives which prevent the build up
of carbon deposits.
If you use fuels without these additives for a
longer period of time, there may be a build up
of carbon deposits, especially on the inlet
valves and in the combustion chamber.
This could lead to engine running problems,
e.g.:
R longer engine warm-up phase
R uneven idle
R engine noise
R misfiring
R loss of power
In areas where carbon deposits can build up
due to the lack of availability of gasoline with
the corresponding additives, Mercedes-Benz
recommends the use of additives that have
been approved for Mercedes-Benz vehicles.
Consult an authorized Mercedes-Benz Center
or visit http://www.mbusa.com (USA only)
to view a list of approved products. Observe
the instructions for use in the product
description.
278Service products and capacitiesTechnical data

Do not mix other fuel additives with fuel. This
causes unnecessary costs and could damage
the engine.
! Do not refuel with low-grade fuel and do
not use fuel additives that are not tested
and approved for Mercedes-Benz vehicles.
Damage to or malfunctions of the fuel
system may otherwise occur.
Engine oil
Please bear the following in mind
The engine oils are matched to the
performance of Mercedes-Benz engines and
service intervals. For this reason, only use
engine oils and oil filters that are approved for
vehicles with a service system.
Contact an authorized Mercedes-Benz Center
or visit http://www.mbusa.com (USA only)
to view a list of approved engine oils and oil
filters.
! Never use engine oil or an oil filter of a
specification other than is necessary to
fulfill the prescribed service intervals. Do
not change the engine oil or oil filter in
order to achieve longer replacement
intervals than those prescribed. You could
otherwise cause engine damage or damage
to the exhaust gas aftertreatment.
Follow the instructions in the service
interval display regarding the oil change.
Otherwise, you may damage the engine and
the exhaust gas aftertreatment.
Mercedes-Benz recommends MOBIL OIL.
The table shows which engines oil have been
approved for your vehicle.
ModelEngine
modelMB
ApprovalG 550273229.5G 55 AMG113229.5
i MB Approval is indicated on the oil
bottles.
Additives
! Do not use additives in engine oil. This
could damage the engine.
Engine oil viscosity
Viscosity describes the flow characteristics
of a fluid. If an engine oil has a high viscosity,
this means that it is thick; a low viscosity
means that it is thin.
Select an engine oil with an SAE (viscosity)
classification suitable for the prevailing
outside temperatures. The following table
shows the correct SAE classification to be
used. The low-temperature characteristics of
engine oils can deteriorate significantly, e.g
as a result of aging, soot and fuel deposits. It
is therefore strongly recommended to
observe regular oil changes using an
approved engine oil with the appropriate SAE
classification.
Refrigerant of the air-conditioning
system
The air-conditioning system is filled with
R134a (HFC) refrigerant and a special PAG
lubricant.
! Never use refrigerant R 12 (CFC) or
mineral lubricants. Otherwise, you could
damage the air-conditioning system.
Service products and capacities279Technical dataZ