Mercedes-Benz COMAND MY11 Operating Instructions Manual page 97

ZA COMAND NTG4.0 BR204 USA Edition A 2011; 1; 3, en-US
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Problem
The Navigation
Unavailable message
appears.
Problem
You will see a message
informing you that the
DVD containing the
digital map is
incompatible with the
system software.
Problem
The map software
update has failed.
Problems with the navigation system
Possible causes/consequences and M Solutions
COMAND has an integrated hard drive on which the digital map is
stored.
To protect the hard drive from damage, COMAND switches it off
in very high temperatures. The navigation system will then be
temporarily unavailable.
Let the vehicle and COMAND cool down.
X
To hide the message: switch COMAND off and then on again.
X
If an area of the hard disc has a malfunction, COMAND can no
longer access the map data in this area, for example when
calculating a route.
To hide the message: switch COMAND off and then on again.
X
The navigation system will be operational until it has to access
the faulty area of the hard drive again. The message will then
reappear.
Consult an authorized Mercedes-Benz Center.
X
Possible causes/consequences and M Solutions
The DVD containing the digital map cannot be used for the update.
To confirm the message: press W the COMAND controller.
X
Eject the DVD.
X
Have the system software updated at an authorized Mercedes-
X
Benz Center.
Possible causes/consequences and M Solutions
The DVD is dirty or scratched
Clean the DVD.
X
Restart the update.
X
There is overheating due to excessive temperatures in the vehicle
interior.
Wait until the vehicle interior has cooled down.
X
Restart the update.
X
COMAND's integral hard drive is faulty.
Consult an authorized Mercedes-Benz Center.
X
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