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Regular checks, Check regularly and before a long trip – Mercedes-Benz S-Class 2007 User Manual

Page 491

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490

Operation

At the gas station

̈

Take off fuel filler cap and set it in di-
rection of arrow

2 in the recess on the

inside of fuel filler flap

4.

To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.

̈

Only fill your tank until the filler nozzle
unit cuts out – do not top up or over-
fill
.

̈

Replace fuel cap by turning it clockwise
until it audibly engages.

̈

Close the fuel filler flap.

Check regularly and before a long trip

Example illustration from S 550

1 Coolant level
2 Brake fluid
3 Windshield washer and headlamp

cleaning system

Warning!

G

Overfilling of the fuel tank may create pres-

sure in the system which could cause a gas

discharge. This could cause the gas to spray

back out when removing the fuel pump noz-

zle, which could cause personal injury.

i

Only use 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.

i

Leaving the engine running and the fuel cap

open can cause the yellow engine malfunction
indicator lamp

± to illuminate.

For more information, see the “Practical hints”
section (

page 547).

i

Opening the hood (

page 492).

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