Mercedes-Benz 2004 M-Class Automobile User Manual


 
215
Operation
At the gas station
̈ 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.
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).
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.
i
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).