Mercedes-Benz C-Class Operator's Manual page 392

Service products and filling capacities
390
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
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unleaded gasoline and fill the rest with pre-
mium-grade unleaded gasoline as soon as
possible.
Do not drive at the maximum speed.
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Avoid sudden acceleration and engine
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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.
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For further information, consult a qualified
specialist workshop or visit
http://www.mbusa.com (USA only).
C 300 4MATIC: as a temporary measure, if the
recommended fuel is not available, you may also
use regular unleaded gasoline with an octane
rating of 88 AKI/93 RON.
All other models: 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 performance and increase fuel
consumption. Avoid driving at full throttle and
sudden acceleration. Never refuel using fuel
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.
page 165).
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The quality of the fuel available in some coun-
tries may not be sufficient. Residue could build
up in the injection system as a result. In such
cases, and in consultation with an authorized
Mercedes-Benz Center, the gasoline may be
mixed with the cleaning additive recommended
by Mercedes-Benz. You must observe the notes
and mixing ratios specified on the container.
Flexible Fuel vehicles
Important safety notes
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WARNING
Fuel is highly flammable. If you handle fuel
incorrectly, there is a risk of fire and explo-
sion.
You must avoid fire, open flames, creating
sparks and smoking. Switch off the engine
and, if applicable, the auxiliary heating before
refueling.
G
WARNING
Fuel is poisonous and hazardous to health.
There is a risk of injury.
You must make sure that fuel does not come
into contact with your skin, eyes or clothing
and that it is not swallowed. Do not inhale fuel
vapors. Keep fuel away from children.
If you or others come into contact with fuel,
observe the following:
Wash away fuel from skin immediately
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using soap and water.
If fuel comes into contact with your eyes,
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immediately rinse them thoroughly with
clean water. Seek medical assistance with-
out delay.
If fuel is swallowed, seek medical assis-
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tance without delay. Do not induce vomit-
ing.
Immediately change out of clothing which
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has come into contact with fuel.