Mercedes-Benz S-Class 2006 Owners Manual - Manual (Page 286)

285
Operation
At the gas station
̈ Replace fuel cap by turning it clockwise
until it audibly engages.
̈ Close the fuel filler flap.
Check regularly and before a long trip
1 Windshield washer and headlamp
cleaning system*
2 Coolant level
3 Brake fluid
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
? (USA only), ± (Canada only)
to illuminate.
For more information, see the “Practi-
cal hints” section (
୴ page 343).
i
Opening the hood, see ( ୴ page 287).