open gas tank MERCEDES-BENZ C350S 2010 W204 Owner's Manual

Power steering fluid .......................351
Washer and headlamp cleaning
system ........................................... 352
Fog lamps ............................................. 92
Messages in the multifunction
display ................................... 292, 294
Fold-in function for exterior rear
view mirrors ........................................ 88
Four-wheel drive see All-wheel drive (4MATIC)
Front air bags
see Air bags
Front axle oil ...................................... 351
Front lamps see Headlamps
Front passenger front air bag ............ 40
Messages in the multifunction
display ........................................... 272
Front passenger front air bag off
indicator lamp (Canada only) ..... 46, 307
Front passenger front air bag off
indicator lamp (USA only) .......... 42, 308
Front seat head restraints see Head restraints
Fuel ..................................................... 222
Additives ........................................ 355
Capacity, fuel tank .........................352
Drive sensibly–safe fuel .................254
Ethanol fuel (E85) .......................... 355
Fuel consumption (Flexible Fuel
Vehicle) .......................................... 355
Fuel consumption statistics ...........122
Fuel filler flap and cap ...................223
Fuel tank reserve warning lamp .....304
Premium unleaded gasoline ...........354
Refueling ........................................ 222
Requirements ................................ 354
Switching (Flexible Fuel Vehicle) .... 355
Fuel filler flap ..................................... 223
Opening manually ..........................310
Fuel gauge ................................... 28, 118
Fuels, coolants, lubricants etc. ........ 349
Fuel tank
Capacity ........................................ 352
Fuel filler flap and cap ...................223
Refueling ........................................ 222
Fuses .................................................. 328G
Garage door opener .................... 32, 216
Gasoline see Fuel
GAWR (Gross Axle Weight Rating) ... 251
Gear range ......................................... 111
Indicator ........................................ 111
Limiting .......................................... 112
Shifting into optimal ......................113
Gear selector lever ............................ 108
Cleaning ......................................... 265
Gearshift pattern ........................... 108
Lock ...................................... 102, 108
Shifting procedure .........................109
Transmission position indicator .....109
Transmission positions ..................109
Gearshift lever ................................... 107
Gearshift pattern ........................... 107
Generator
see Alternator
Global locking/unlocking
see Key, SmartKey
Glove box ........................................... 205
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight
see GVW
Gross Vehicle Weight Rating
see GVWR
GVW (Gross Vehicle Weight) ............ 251
GVWR (Gross Vehicle Weight
Rating) ................................................ 251
H
Halogen headlamps see Headlamps
Hard plastic trim items, cleaning .... 265
Hazard warning flasher ....................... 93
Headlamp cleaning system ................ 93
Headlamps
Active Bi-Xenon headlamps .............90
Automatic headlamp mode ..............91
Bi-Xenon .................................. 90, 314
Cleaning lenses ............................. 263
Cleaning system .............................. 93
Daytime running lamp mode ............91
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Flexible Fuel Vehicles (identified by a label
reading Premium gasoline or E85 only! on
the fuel filler flap):
Ethanol fuel (E85) and its fumes are highly
flammable, poisonous and burn easily.
Ethanol fuel can cause serious injuries if
ignited or if you come into contact with it or
inhale fumes of it. Avoid inhalation of ethanol
fumes and skin contact with ethanol.
Extinguish all open flames before refueling.
Never smoke or create sparks close to
ethanol.
! Never refuel vehicles with gasoline engine
with diesel fuel. Even small amounts of
diesel fuel will damage the fuel system and
engine. Damage resulting from the use of
non-approved fuels or fuel additives or
resulting from mixing gasoline with diesel
fuel is not covered by the Mercedes-Benz
Limited Warranty.
! If you have accidentally filled the tank
with incorrect or non-approved fuel, do not
switch on the ignition. Otherwise the
incorrect or non-approved fuel will get into
the fuel lines. The fuel system must be
drained completely. Contact an authorized
Mercedes-Benz Center to have the fuel
system drained completely.
! To prevent damage to the catalytic
converters, only use premium unleaded
gasoline in this vehicle.
Flexible Fuel Vehicles (identified by a label
reading Premium gasoline or E85 only!
on the fuel filler flap) may be fueled with
E85. For additional information, see
“Flexible Fuel Vehicles”.
Any noticeable irregularities in engine
operation should be repaired promptly.
Otherwise, excessive unburned fuel may
reach the catalytic converter, causing it to
overheat and potentially start a fire.
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. Please contact gas
station personnel in case labels on the
pump cannot be found.
C 300 and C 300 Sport with automatic
transmission:
Flexible Fuel Vehicles are identified by a
label reading Premium gasoline or E85
only! on the fuel filler flap.
For more information on gasoline or E85,
see “Premium unleaded gasoline”
(Y page 354), see “Flexible Fuel Vehicles”
(Y page 355), see “Fuel requirements”
(Y page 354), or contact an authorized
Mercedes-Benz Center, or visit
www.mbusa.com (USA only).
Locking/unlocking the vehicle with the
SmartKey or KEYLESS-GO automatically
locks/unlocks the fuel filler flap.
iIn case the central locking system does
not release the fuel filler flap, see “Fuel filler
flap” (Y page 310).
The fuel filler flap is located on the right-hand
side of the vehicle towards the rear.
XTurn off the engine.
iLeaving the engine running and the fuel
filler cap open can cause the yellow engine
malfunction indicator lamp ; to
illuminate.
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Flexible Fuel Vehicles
All models of the C 300 with automatic
transmission are Flexible Fuel Vehicles.
Flexible Fuel Vehicles are identified by a label
reading Premium gasoline or E85 only! on
the fuel filler flap.
These vehicles are designed to operate on
premium unleaded gasoline or ethanol fuel
(E85), or on any mixture of these two. Ethanol
fuel (E85) is a mixture of approximately 85%
ethanol and 15% unleaded gasoline.GWarning!
Ethanol fuel (E85) and its fumes are highly
flammable, poisonous and burn easily.
Ethanol fuel can cause serious injuries if
ignited or if you come into contact with it or
inhale fumes of it. Avoid inhalation of ethanol
fumes and skin contact with ethanol.
Extinguish all open flames before refueling.
Never smoke or create sparks close to
ethanol.
Switching fuels
For best performance and driveability it is
recommended to use either one or the other
fuel. A refueling pattern that alternates
between the two different fuels should be
avoided if possible.
When switching fuels, make sure:
R Fuel level is below half full.
R Fuel level is above reserve (fuel tank
reserve warning lamp is not lit).
R Amount of added fuel is more than
5 gallons (20 liters).
R Ignition is off during refill.
R Immediately after refueling engine is
started and operated for at least 5 minutes.
These precautions and recommendations are
supposed to prevent any difficulties when
starting and operating the engine which
otherwise may be experienced before the
engine has fully adapted to the different fuel.
If in spite of these recommendations the
engine does not perform properly, adding
more gasoline (at least 3 gallons [12 liters])
to the fuel may improve the engine behavior.
Fuel consumption
E85 fuel contains less energy per gallon than
gasoline. To ensure that engine performance
with ethanol fuel is similar to that when using
gasoline, the engine must burn more ethanol
fuel. As a result, it is to be expected that the
fuel consumption will increase when using
E85 compared to gasoline operation.
Maintenance
Please inform your authorized Mercedes-
Benz Center if you use or have used E85 fuel
when your vehicle is delivered for
maintenance or repairs.
Cold weather performance
It is possible that starting times will
significantly increase at temperatures below
32‡ (0†). At low temperatures the use of a
block heater is recommended (contact an
authorized Mercedes-Benz Center for further
information). Rough idling may also be
experienced at such temperatures before the
engine is fully warmed up.
! E85 fuel is unsuitable for use when
ambient temperatures fall below 14‡
(-10†).
Hot weather performance
At ambient temperatures above 95‡ (35†)
start times may increase and be
accompanied by a rough idle following the
start.
Gasoline additives
A major concern among engine
manufacturers is carbon build-up caused by
gasoline. Mercedes-Benz recommends only
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