Mercedes-Benz C-Coupe 2012 COMAND Manual - Manual (Page 113)

Problems with the navigation system
Problem Possible causes/consequences and M Solutions
COMAND is unable to
continue route
guidance after the
journey has been
interrupted.
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.
X Continue route guidance (
Y
page 81).
Problem Possible causes/consequences and M Solutions
COMAND is unable to
determine the vehicle's
position.
COMAND has to redetermine the position of the vehicle if the
vehicle has been transported (e.g. by ferry, by motorail or after
towing).
X Start the vehicle and pull away.
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.
Problem Possible causes/consequences and M Solutions
The Navigation
Unavailable message
appears.
COMAND has an integrated hard drive on which the digital map is
stored.
To protect the integrated hard drive against damage, COMAND
deactivates it at very high and low temperatures. The navigation
system will then be temporarily unavailable.
X Let the vehicle and COMAND cool down.
X To hide the message: switch COMAND off and then on again.
If an area of the hard drive has a malfunction, COMAND can no
longer access the map data in this area, for example when
calculating a route.
X To hide the message: switch COMAND off and then on again.
The navigation system will be operational again until it has to
access the faulty area of the hard drive once more. The message
will then reappear.
X Consult an authorized Mercedes-Benz Center.
Problems with the navigation system
111
Nav
igation
Z