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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.
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.
For more information on gasoline, see
“Premium unleaded gasoline”
(Y page 306), see “Fuel requirements”
(Y page 307), 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.
i
In case the central locking system does
not release the fuel filler flap, or the
opening mechanism is clamping, contact
Roadside Assistance or an authorized
Mercedes-Benz Center.
The fuel filler flap is located on the right-hand
side of the vehicle towards the rear.
X
Turn off the engine.
i
Leaving the engine running and the fuel
filler cap open can cause the yellow fuel
tank reserve warning lamp to flash and the
malfunction indicator lamp = (USA
only
14
) or ; (Canada only
14
) to
illuminate.
For more information, see also “Practical
hints” (Y page 263).
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
starter switch. The driver’s door then can
be closed again.
X
Opening: Press fuel filler flap : at the
point indicated by the arrow.
X
Turn fuel filler cap ; counterclockwise.
X
Take off fuel filler cap ;.
X
Place fuel filler cap ; in direction of arrow
into holder =.
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 ; clockwise
until it audibly engages.
X
Close fuel filler flap :.
14
Depending on vehicle production date, U.S. vehicles may be equipped with the Canada engine malfunction
indicator lamp ;.
At the gas station
179
Operation
230_AKB; 6; 22, en-US
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