Mercedes-Benz SL 500 Operator's Manual page 252

Warning!
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.
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.
You should hear the latch close shut.
i
G
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
"Premium unleaded gasoline"
( page 389) or the Factory Approved
Service Pamphlet.
Operation
At the gas station
i
Leaving the engine running and the fuel
cap open can cause the ? lamp to
illuminate.
For more information, see the "Practi-
cal hints" section ( page 285).
251