Mercedes-Benz S 450 4MATIC, Operator'S Manual

Page: 572 / 801

571
Operation
At the gas station
왘
Take off the fuel filler cap and set it in
the direction of arrow
2 and place it
into holder
3
located on the inside of
the fuel filler flap.
To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.
왘
Only fill your tank until the filler nozzle
unit cuts out –
do not top off or over-
fill .
왘
Replace the fuel cap by turning it clock-
wise until it audibly engages.
왘
Close the fuel filler flap.
You should hear the latch close shut.
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
Make sure to close the fuel filler flap before
locking your vehicle as the flap locking pin pre-
vents closing after you have locked the vehicle.
i
Only use premium unleaded gasoline with a
minimum Posted Octane Rating of 91 (average of
96 RON/86 MON). Please contact gas station
personnel in case labels on the pump cannot be
found.
For more information on gasoline see “Premium
unleaded gasoline” (
컄
page 770), see “Fuel re-
quirements” (
컄
page 770) and the Factory Ap-
proved Service Products pamphlet.
i
Leaving the engine running and the fuel cap
open can cause the yellow engine malfunction
indicator lamp
±
to illuminate.
For more information, see the “Practical hints”
section (
컄
page 632).