General Notes - Mercedes-Benz G-Class Operator's Manual

Service products and filling capacities
278
Do not mix such fuels with the fuel recom-
mended for your vehicle.
!
To ensure the longevity and full perform-
ance of the engine, only premium-grade
unleaded gasoline must be used.
If standard unleaded gasoline is unavailable
and you have to refuel with unleaded gasoline
of a lower grade, observe the following pre-
cautions:
Only fill the fuel tank to half full with regular
R
unleaded gasoline and fill the rest with pre-
mium-grade unleaded gasoline as soon as
possible.
Do not drive at the maximum speed.
R
Avoid sudden acceleration and engine
R
speeds over 3,000 rpm.
You will usually find information about the fuel
grade on the pump. If you cannot find the label
on the pump, ask the staff for assistance.
i
For further information, consult a qualified
specialist workshop or visit
http://www.mbusa.com (USA only).
As a temporary measure, if the recommended
fuel is not available, you may also use regular
unleaded gasoline with an octane rating of
87 AKI/91 RON. This may reduce engine per-
formance and increase fuel consumption. Avoid
driving at full throttle and sudden acceleration.
Never refuel using gasoline with a lower AKI.
Information on refueling (
Additives
!
Operating the engine with fuel additives
added later can lead to engine failure. Do not
mix fuel additives with fuel. This does not
include additives for the removal and preven-
tion of residue buildup. gasoline must only be
mixed with additives recommended by
Mercedes-Benz. Comply with the instructions
for use on the product label. More information
about recommended additives can be
obtained from any authorized Mercedes-Benz
Center.
Mercedes-Benz recommends that you use bran-
ded fuels that have additives.
The fuel quality available in some countries may
not be sufficient. Residue could build up in the
fuel injection system as a result. In such cases,
and in consultation with an authorized
Mercedes-Benz Center, the fuel may be mixed
with the cleaning additive recommended by
page 118).
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Mercedes-Benz. You must observe the notes
and mixing ratios specified on the container.
Engine oil

General notes

!
Do not use engine oil or an oil filter with
specifications deviating from those expressly
required for the prescribed service intervals.
Do not change the engine oil or oil filter in
order to set replacement intervals longer than
those prescribed. This could otherwise cause
damage to the engine or exhaust gas after-
treatment.
Follow the instructions on the service interval
display for changing the engine oil. This could
otherwise cause damage to the engine or
exhaust gas aftertreatment.
When handling engine oil, observe the important
safety notes on service products (
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.
Model
All models
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The MB-Freigabe or MB Approval is stated
on the oil containers.
page 276).
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MB-Freigabe or
MB-Approval
229.5