Regular checks, Check regularly and before a long trip – Mercedes-Benz R-Class 2006 Owners Manual User Manual
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343
Operation
At the gas station
̈
Replace the fuel cap by turning it clock-
wise until it audibly engages.
̈
Close the fuel filler flap.
Check regularly and before a long trip
̈
Open the hood (
1 Coolant level
2 Brake fluid
3 Windshield washer system and
headlamp cleaning system*
Engine oil level
For more information on engine oil, see
“Engine oil” (
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.
For more information on gasoline, see
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
? malfunction indicator lamp
(USA only) or the
± malfunction in-
dicator lamp (Canada only) comes on.
For more information, see “Practical
hints” (