open gas tank MERCEDES-BENZ C300 2008 W204 Owner's Manual

323 Operation
At the gas station
Turn off the engine.
Vehicles with automatic transmission*:
Move the gear selector lever to
positionP (
page 140).
Remove the SmartKey from the starter
switch.
Vehicles with SmartKey with
KEYLESS-GO*:
Turn off the engine by pressing the
KEYLESS-GO* button once.
Open the driver’s door (this puts
the starter switch in position0,
same as with the SmartKey re-
moved from the starter switch). The
driver’s door then can be closed
again.
Open the fuel filler flap by pushing at
the point indicated by arrow 1.The fuel filler flap springs open.
Turn the fuel cap counterclockwise and
hold on to it until possible pressure is
released.
Take off the fuel filler cap and set it in
the direction of arrow 2 and place it
into holder 4 located on the inside of
the fuel filler flap.
To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.
Only fill your tank until the filler nozzle
unit cuts out – do not top off or over-
fill.
Replace the fuel cap by turning it clock-
wise until it audibly engages.
Close the fuel filler flap.
You should hear the latch close shut.
For more information on gasoline or E85, see
“Premium unleaded gasoline” (
page 481) or
the Factory Approved Service Products
pamphlet (USA only) in your vehicle literature
portfolio, or contact an authorized
Mercedes-Benz Center.
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.
iMake 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.
iLeaving 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 (
page 378).

494 Index
Fuel cap
Message in display 406
Fuel consumption statistics
From start 156
Resetting 157
Since last reset 157
Fuel filler flap 322
Locking/Unlocking 322
Fuel tank
Capacity 478
Filler flap 322
Fuels, coolants, lubricants etc.
Capacities 476
Fuses 456
Fuse box in engine compartment 457
Fuse box in passenger
compartment 457
Fuse box in trunk 458
Replacing 456G
Garage door opener 303
Gasoline also see Fuel
GAWR 357
Gear range
Automatic transmission 143
Limiting 143
Shifting into optimal 145
Gear selector lever 126, 137
Messages in display 392
Position, Automatic
transmission* 139, 151
Shifting procedure 139
Gear selector lever one-touch gearshifting
Automatic transmission* 145
Gear selector lever* 138
Gearshift pattern 138
Lock 127
Position, Automatic
transmission* 140
Unlocking in an emergency 426
Glove box 284
Aux socket 220
Power outlet 293
Gloves, Vehicle tool kit 420GPS
Tele Aid* 295
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 357
GVWR 357