Problems with fuel and the fuel tank
| Problem | Possible causes/consequences and
Solutions |
| Fuel is leaking from the vehicle. | Risk of explosion or
fireThe fuel line or the fuel tank is defective.
|
| The fuel filler flap cannot be opened. | The fuel filler flap is not unlocked. or The SmartKey battery is discharged. Unlock the vehicle using
the mechanical key. Open the trunk lid. Manually unlock the fuel
filler flap using the emergency release |
The fuel filler flap is unlocked, but the opening mechanism is
jammed. Consult a qualified
specialist workshop. |
See also:
Redialing
The on-board computer saves the last names
or numbers dialed in the redial memory.
Press the
or
button on the
steering wheel to select the Tel menu.
Press the
button to switch to the
r ...
Reset function
You can reset COMAND to the factory
settings. Amongst other things, this will
delete all personal data (e.g. station presets,
address book entries, entries in the
destination memory and in the ...
Brake fluid
WARNING
The brake fluid constantly absorbs moisture
from the air; this lowers its boiling point.
If the boiling point of the brake fluid is too low,
vapor pockets may form in the brake ...

Solutions
Risk of explosion or
fire