Mercedes-Benz COMAND Operating Instructions Manual page 134

Problems with the navigation system
132
Problems with the navigation system
Problem
COMAND does not
resume route guidance
after the journey has
been interrupted.
Problem
COMAND is unable to
determine the vehicle's
position.
Problem
The Navigation Navigation
Unavailable Please Unavailable
refer to the Oper‐ refer to the Oper‐
ator's Manual. ator's Manual.
sage appears.
Possible causes/consequences and M M Solutions
Route guidance is canceled if you interrupt the journey for more
than two hours.
"Interrupting the journey" refers to stopping the vehicle.
"Continuing route guidance" refers to switching COMAND back on
and driving on.
Continue route guidance manually (
X
Possible causes/consequences and M M Solutions
COMAND has to redetermine the position of the vehicle if the
vehicle has been transported.
Example:
After transporting the vehicle by ferry
R
After transporting the vehicle by motorail
R
Start the vehicle and pull away.
X
COMAND determines the vehicle's position. Depending on the
driving situation, this may take some time.
Route guidance may be restricted during the determination of
the vehicle's position.
When positioning is complete, route guidance is resumed with
navigation announcements and route guidance displays.
Possible causes/consequences and M M Solutions
COMAND has an integrated hard drive on which the digital map is
Please stored.
To protect the integrated hard drive against damage, COMAND
mes-
deactivates it at very high and low temperatures. The navigation
system will then be temporarily unavailable.
Let the vehicle and COMAND cool down to a normal tempera-
X
ture.
To hide the message: switch COMAND off and then on again.
X
page 109).
Y