Check Regularly And Before A Long Trip - Mercedes-Benz 2004 M-Class Operator's Manual

Replace the fuel cap by turning it to the
right.
You will hear when the fuel cap is tight-
ened.
Close the fuel filler flap.
i
Use only 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.
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Leaving the engine running and the fuel
cap open can cause the yellow fuel
tank reserve warning lamp to flash and
the ? lamp to illuminate.
See also "Practical hints" section
( page 248).
Operation
At the gas station

Check regularly and before a long trip

Open the hood ( page 217)
1 Engine oil level
2 Coolant level
For normal replenishing, use water (po-
table water quality). More information
on the coolant level can be found in the
"Operation" section ( page 222).
3 Brake fluid
4 Windshield washer system and
headlamp cleaning system*
More information on filling the reser-
voir can be found in the "Operation"
section ( page 224).
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