General information
Overpressure caused by gasoline vapors may
form in the fuel tank. Before opening, ventilate
the tank to equalize the pressure.
The tank can be ventilated at a walking speed,
e.g., shortly before refueling.
Overview
The button is located in the storage compart-
ment of the driver's door.
Ventilate the tank
1.
Press the tank ventilation button in
the driver’s door to start pressure equaliza-
tion.
The tank ventilation system status is dis-
played in the instrument cluster. In rare
cases, tank ventilation can last several mi-
nutes.
When tank ventilating has finished, a mes-
sage is displayed in the instrument cluster.
The fuel filler flap is released for opening.
2. Open the fuel filler flap.
If it is not possible to open the fuel filler
flap after tank ventilating, press the button
again.
If the fuel filler flap cannot be opened even
after pressing the button again:
▷ If you have sufficient fuel, search for
an authorized service center or another
qualified service center or repair shop.
▷ If you do not have sufficient fuel, unlock
the fuel filler flap manually.
Additional information:
Emergency unlocking, refer to page 336.
Fuel cap
General information
If the fuel filler cap is not fitted correctly, the
emissions indicator light illuminates on the in-
strument cluster.
Additional information:
Indicator/warning lights, refer to page 140.
Safety information
Warning
The retaining strap of the fuel cap can be
jammed and crushed while closing. The cap
cannot be correctly closed. Fuel or fuel va-
pors can escape. There is a risk of injury or
risk of damage to property. Pay attention that
the retaining strap is not jammed or crushed
when closing the cap.
Opening
Before opening, press the tank ventilation but-
ton in the driver’s door to start pressure equali-
zation.
Seite 335
Refueling
MOBILITY
335
Online Edition for Part no. 01405A8A608 - VI/23
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