Mercedes-Benz 2009 S-Class Operator's Manual page 444

Operation
At the gas station
Fuel filler flap
1
Fuel filler cap
2
Holder
3
X
Turn off the engine.
i Leaving the engine running and the fuel
filler cap open can cause the yellow engine
malfunction indicator lamp
illuminate.
For more information, see also "Practical
hints" ( Y page 557).
X
Remove the SmartKey from the starter
switch.
KEYLESS-GO: Open the driver's door (this
puts the starter switch in position 0, same
as with the SmartKey removed from the
442
starter switch). The driver's door then can
be closed again.
X
Opening: Press fuel filler flap
point indicated by the arrow.
X
Turn fuel filler cap
X
Take off fuel filler cap 2.
X
Place fuel filler cap
into holder 3.
X
Fully insert filler nozzle unit and refuel.
X
Only fill your tank until the filler nozzle unit
cuts out – do not top off or overfill.
X
Closing: Turn fuel filler cap
until it audibly engages.
i Make sure to close the fuel filler flap
before locking your vehicle as the flap
locking pin prevents closing after you have
to
±
locked the vehicle.
X
Close fuel filler flap 1.
Check regularly and before a long trip
For information on quantities and
at the
1
requirements of operating agents, see "Fuels,
coolants, lubricants, etc." (
counterclockwise.
2
Check the following:
Engine oil level (
R
in direction of arrow
2
Tire inflation pressure (
R
Coolant level (
R
Vehicle lighting (
R
Washer system and headlamp cleaning
R
system (
clockwise
2
Brake fluid (
R
(
Y page 603).
Y page 444)
Y
page 458)
Y page 448)
Y page 566)
Y page 448)
Y page 477), ( Y page 512),
Y page 550)