!Overfilling the fuel tank could damage the
fuel system.
!Take care not to spill any fuel on painted
surfaces. You could otherwise damage the
paintwork.
!Use a filter when refueling from a fuel can.
Otherwise, the fuel lines and/or injection sys-
tem could be blocked by particles from the
fuel can.
If you overfill the fuel tank, pressure may build
up in the fuel tank. This could cause fuel to spray
out when the fuel pump nozzle is removed.
There is a risk of injury. The fuel tank is full when
the fuel pump nozzle first switches off. End the
refueling process.
For further information on fuel and fuel quality
(
Ypage 289).
Refueling
Vehicles with a fuel filler flap
Example: G 550 fuel filler cap
:
To open the fuel filler flap
;Tire pressure table
=Fuel type
?To insert the fuel filler cap
When you open or close the vehicle with the
SmartKey, the fuel filler flap is automatically
unlocked or locked.
The position of the fuel filler cap is displayed
8 in the instrument cluster. The arrow next
to the filling pump indicates the side of the vehi-
cle. The fuel filler flap is located to the rear on
the right.
Opening the fuel filler cap
:To open the fuel filler flap
;Tire pressure table
=Fuel type
?To insert the fuel filler cap
XSwitch the engine off.
iWhen the engine is running and the fuel filler
flap is open, the yellow reserve fuel warning
lamp and the =(USA only) or ;(Can-
ada only) Check Engine warning lamp may
light up.
Further information about warning and indi-
cator lamps in the instrument cluster can be
found in the Digital Operator's Manual.
XRemove the SmartKey from the ignition lock.
XTurn the fuel filler cap counterclockwise and
remove it.
XInsert the fuel filler cap into the holder
bracket on the inside of filler flap ?.
Refueling
XCompletely insert the filler neck of the fuel
pump nozzle into the tank and refuel.
iDo not add any more fuel after the pump
stops filling for the first time. Otherwise, fuel
may leak out.
Closing
XReplace the fuel filler cap and turn it clock-
wise. The fuel filler cap audibly engages.
XClose the fuel filler flap.
iClose the fuel filler flap before locking the
vehicle. A locking pin otherwise prevents the
fuel filler flap from closing after the vehicle
has been locked.
128Refueling
Driving and parking
Ruseinmountainous terrain or on poor road
surfaces
Rif the engine isoften left idling for long periods
Under these or similar conditions, have, for
example, the air filter, engine oil and oil filter
replaced or changed more frequently. Under
arduous operating conditions, the tires must be
checked more often. Further information can be
obtained at a qualified specialist workshop,e.g.
an authorized Mercedes-Benz Center.
Fuel/water separator
HEnvironmental note
Dispose of service products inan environ-
mentally responsible manner.
!Ifyou continue drivingwithout having the
fuel/water separator serviced, th iscould
cause damage to the engine. Any resulting
damage isnot covered bythe warranty.
If the fuel/water separator needs servicing, the
fol lowin g message appears inthe multifunction
displ ay:
Youwillalso hear a brief warning tone.
XVisit a qualified specialist workshop as soon
as possible.
Care
General notes
GWAR NING
Many cleaning products can behazardous.
So me are poisonous, others are flammable.
Alwa ys follow the instructions on the particu-
lar container. Always open your veh icle's
doors or windows when cleaning the ins ide.
Never use fluids or solvents that are not
designed for cleaning your veh icle.
Always lock away cleaning products and keep
them out of reach of children.
!For cleaning your vehicle, donot use any of
the following:
Rdry, rough or hard cloths
Rabrasive cleaning agents
Rsolvents
Rcleaning agents containing solvents
Do not scrub.
Do not touch the surfaces or protective films
wit h hard objects, e.g. a ring or ice scraper.
You could otherwise scratch or damage the
surfaces and protective film.
!Do not park the vehicle for an extended
period straight after cleaning it, particularly
after having cleaned the wheels with wheel
cleaner. Wheel cleaners could cause
increased corrosion of the brake discs and
brake pads/linings. For this reason, you
should drive for a few minutes after cleaning.
Braking heats the brake discs and the brake
pads/linings, thus drying them. The vehicle
can then beparked.
HEnvironmental note
Dispose of empty packaging and cleaning
cloths in an environmentally responsible man-
ner.
Regular care of your vehicle isa condition for
retaining the quality in the long term.
Use care products and cleaning agents recom-
mended and approved by Mercedes-Benz.
Exterior care
Automatic car wash
GWARNING
Braking efficiency is reduced after washing
the vehicle. There is a risk of an accident.
After the vehicle has been washed, brake
carefully while paying attention to the traffic
conditions until full braking power is restored.
!Never clean your vehicle ina Touchless
Automat icCar Wash as these use special
Care241
Maintenance and care
Z
The vehicle will use more fuel than usual in the
following situations:
Rat very low outside temperatures
Rin city traffic
Ron short journeys
Rin mountainous terrain
Rwhen towing a trailer
Engine oil
General notes
!Never use engine oil or an oil filter of a spec-
ification 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 pre-
scribed. You could otherwise cause engine
damage or damage to the exhaust gas after-
treatment.
Follow the instructions in the service interval display regarding the oil change. Otherwise,
you may damage the engine and the exhaust
gas aftertreatment.
When handling engine oil, observe the important
safety notes on service products (
Ypage 289).
The engine oils are matched to the performance
of Mercedes-Benz engines and service intervals.
For this reason, only use engine oils and oil fil-
ters that are approved for vehicles with a service
system.
For a list of approved engine oils and oil filters,
consult an authorized Mercedes-Benz Center or
go to the Internet site
http://bevo.mercedes-benz.com (USA only).
The table shows which engine oils have been
approved for your vehicle.
ModelMB-Freigabe or MB
Approval
G 550229.3 / 229.5
G 63 AMG229.5
iThe MB-Freigabe or MB Approval is stated
on the oil containers.
Filling capacities
The following values refer to an oil change
including the oil filter.
Vehicle modelCapacity including oil filter
G 5502.4 US gal (9.0 l)
G 63 AMG2.25 US gal (8.5 l)
Additives
!Do not use any additives in the 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 classification
(viscosity) suitable for the prevailing outside
temperatures. The table shows you which SAE
classifications are to be used. The low-temper-
ature characteristics of engine oils can deterio-
rate significantly, e.g. as a result of aging, soot
and fuel deposits. It is therefore strongly rec-
ommended that you carry out regular oil
changes using an approved engine oil with the
appropriate SAE classification.
292Service products and filling capacities
Technical data