Reserve display
A display in the instrument panel informs you about the remaining distance can be covered with the amount of fuel currently in the tank.

Reserve display
The reserve display appears approx.
1,000 miles/1,600 km before the tank is empty.
As soon as the reserve display has appeared in the instrument panel, have the diesel exhaust fluid refilled to prevent the engine from being unable to restart.
Diesel exhaust fluid at minimum

Diesel exhaust fluid at minimum
Even with a display of -- mls, the engine will continue to run, provided that it is not switched off, and all other operating requirements are met, e.g. sufficient fuel.
No engine start
Do not drive until the displayed remaining
distance runs out. Otherwise, it may not be possible
to restart the engine.◀
Incorrect fueling
The warning lamp
lights up:
The reservoir has been filled with an incorrect fluid.
Please contact your service center.
See also:
Initialization after a power failure
After a power failure, it is only possible to raise
the roof, if necessary.
Have the system initialized by your service center. ...
Oil types for refilling
Notes
No oil additives
Oil additives may lead to engine damage.
Viscosity grades for engine oils
When selecting an engine oil, ensure that
the engine oil belongs to one of the viscosity
grad ...
Initiating an Emergency Request
1. Press the cover briefly to open it.
2. Press the SOS button until the LED in the
button lights up.
The LED lights up: an Emergency Request
was initiated.
If the situation allows, wait ...
