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:
DOT (Department of Transportation)
DOT marked tires fulfill the requirements of
the United States Department of
Transportation. ...
Activating/deactivating DSR
Activating
You can only activate DSR if you are driving
at 25 mph (40 km/h) or slower.
– Press button 1.
Indicator lamp 2 lights up.
The following messages appear in the
multifunction displa ...
High outside temperatures
If DEF heats up to over 122 °F (50 °C) for
extended periods, e.g. as a result of direct
sunlight on the DEF reservoir, DEF can
decompose. Ammonia vapors develop as a
result.
WARNING
When o ...

Solutions
Risk of explosion or
fire