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:
Automatic drive program
Drive program E (drive program C on AMG
vehicles) is characterized by the following:
- the vehicle pulling away more gently in
forward and reverse gears, unless the
accelerator pedal is d ...
Displaying real-time traffic reports
If necessary, switch to navigation mode
and show the menu.
Select Traffic in the navigation system
menu bar by turning
the COMAND
controller and press to confirm.
If you see the No traff ...
Activating audio AUX mode
When you connect an external audio source,
audio AUX is not selected automatically.
Select Audio in the main function bar by
sliding and turning
the COMAND
controller and press to confirm. ...

Solutions
Risk of explosion or
fire