Problems
withthenavigation system Problem Possible
causes/co nsequences andM Solutions
COMAND
isunable to
cont inue route
guida nceafter the
journey hasbeen
interr upted. Route
guidanceiscanceled ifyou interr uptthejourney formore
than twohours.
"Interr upting thejourney" referstostopping thevehicle.
"Continuing routeguidance"refers toswitching COMAND backon
and driving on.
X Continue routeguidance(Ypage 81). Problem Possible
causes/co nsequences andM Solutions
COMAND
isunable to
determine thevehicle's
position. COMAND
hastoredetermine theposition ofthe vehicle ifthe
vehicle hasbeen transport ed(e.g. byferry, bymotorail orafter
towing).
X Start thevehicle andpullaway .
COMAND determines thevehicle's position.Depending onthe
driving situation, thismay take some time.
Route guidancemay berestric tedduring thedeterminat ionof
the vehicle's position.
When positioning iscomplete, routeguidanceisresumed with
navigation announcementsandroute guidancedisplay s. Problem Possible
causes/co nsequences andM Solutions
The
Navigation Unavailable message
appears. COMAND
hasanintegrated harddrive onwhich thedigital mapis
stored.
To protect theintegrat edhard drive against damage, COMAND
deactivates itat very high andlowtemperatures. Thenavigation
system willthen betemporarily unavailable.
X Let the vehicle andCOMAND cooldown.
X To hide themessage: switchCOMAND offand then onagain. If
an area ofthe hard drive hasamalfunction ,COMAND canno
longer access themap data inthis area, forexample when
calculating aroute.
X To hide themessage: switchCOMAND offand then onagain.
The navigation systemwillbeoperational againuntilithas to
access thefaulty areaofthe hard drive oncemore. Themessage
will then reappear.
X Consult anauthorized Mercedes-B enzCenter. Problems
withthenavigation system
111Navigation Z
