Page 280 of 489

279 Operation
At the gas station
At the gas station
Refueling
The fuel filler flap is located on the
right-hand side of the vehicle towards the
rear.Locking/unlocking the vehicle with the
SmartKey or the SmartKey with
KEYLESS-GO* automatically locks/un-
locks the fuel filler flap.
1Fuel filler flap
2Fuel filler cap
3HolderTurn off the engine
Vehicles with SmartKey: Remove the
SmartKey from the starter switch.
Vehicles with KEYLESS-GO*: Open the
driver’s door (this puts the starter
switch in position 0, same as with the
SmartKey removed from starter
switch).
Open fuel filler flap 1 by pushing at
the point indicated by the arrow.
The fuel filler flap springs open.
Turn fuel cap 2 counterclockwise and
hold on to it until possible pressure is
released.
Take off fuel cap 2 and place it into
holder 3 located on the inside of the
fuel filler flap.
Only fill your tank until the filler nozzle
unit cuts out – do not top off or
overfill.
Warning!G
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious
personal injury.
Never allow sparks, flame or smoking mate-
rials near gasoline!
Turn off the engine before refueling.
Whenever you are around gasoline, avoid
inhaling fumes and skin contact, extinguish
all smoking materials.
Direct skin contact with fuels and the
inhalation of fuel vapors are damaging your
health.iIn case that the central locking system
does not release the fuel filler flap, or the
opening mechanism is clamping, notify Roadside
Assistance or an authorized Mercedes-Benz
Center.
Page 281 of 489

280 Operation
At the gas station
Insert fuel cap 2 into fuel filler neck
and turn fuel cap clockwise until it au-
dibly engages.
Close fuel filler flap 1.
You should hear the latch close shut.
Check regularly and before a long trip
For information on quantities and require-
ments of operating agents, see “Fuels,
coolants, lubricants, etc.” (
page 457).
Open the hood (page 282).
1Windshield washer and headlamp
cleaning system
2Brake fluid
3Coolant level
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.
iOnly 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 personal in case labels on the pump
cannot be found.
For more information on gasoline, see “Premium
unleaded gasoline” (
page 461), refer to the
Factory Approved Service Products pamphlet
(USA only), or contact an authorized
Mercedes-Benz-Center.
iLeaving the engine running and the fuel cap
open can cause the engine malfunction indicator
lamp ú (USA only) or the engine malfunction
indicator lamp ± (Canada only) to illuminate.
For more information, see the “Practical hints”
section (
page 346).
Page 474 of 489

473 Index
Front air bags 73
Front lamps see Headlamps
Fuel 279
Additives 462
Capacity, Fuel tank 457
Consumption statistics 167
Filler flap 279
Fuel reserve warning lamp 29, 350
Gasoline additives 462
Gauge 29
Premium unleaded gasoline 280,
459, 461
Refueling 279
Requirements 461
Fuel filler flap, Opening 279
Fuels, coolants, lubricants etc.
Capacities 457
Functions (control system) 145
Fuse box
Passenger compartment 439
Trunk 439
Fuse chart see Vehicle tool kit
Fuses 437G
Garage door opener 257
Gasoline see Fuel
GAWR 323
Gear range
Automatic transmission 176
Indicator 29
Limiting 176
Shifting into optimal 180, 182
Gear selector lever 32, 172
Cleaning 339
Gearshift pattern 172
Lock 53
Position 173, 174
Shifting procedure 173
Gear selector lever one-touch gearshifting
Automatic transmission 179
Global locking/unlocking see Key
Glove box 238
Good visibility 185
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 323
GVWR 323H
Hard plastic trim items, cleaning 339
Hardtop see Retractable hardtop
Hazard warning flasher 137
Head restraints 45
Headlamp switch-off delay see Delayed
switch-off, exterior lamps
Headlamps
Automatic mode 132
Cleaning lenses 336
Cleaning system 185
Manual mode 132
Messages in the multifunction
display 392
Replacing bulbs 409
Switch 57, 131
Headliner, cleaning 340
Head-thorax air bag 74
High beam flasher 57, 136
High beam headlamps 57, 131, 410
Indicator lamp 29
Messages in the multifunction
display 392, 393
Replacing bulbs 409, 412
Switching on 136
High mounted brake lamp 410