Gene
ralInfo rmat ion
Operational Readinessofthe
Navigation SystemaftertheSystem
Software Update Sometimes
theinstall edmap software isno
longer compatib lefollo wing asystem
software update byan authorized Mercede s-
Benz Center. Inthis case, thenaviga tion
system isnot opera tional.
X To update mapsoftware :Proceed as
describ edinthe “Upda teProcess” section
(Y page 53).Usemap software compatib le
with thesystem software .
i Plea senote thatinthis case theupdate
must runthrough righttothe end. Ifyou
cancel beforeh and,thenaviga tionsystem
wil lstill notberead yfor opera tion.
After start-up orinitia lstart-up, thenaviga tion
system mustperform aposi tion finding
opera tion.Asaresul t,you may have todrive
for some timeuntilprecise routeguidance
takes place.
GPS Rece ption The
correct functioning ofthe naviga tion
system isals odepe ndent onthe GPS
reception. Incertain situations, theGPS
reception maybeimpa ired, distorted oreven
imposs ible, e.g. intunnels, multi-storey car
parks ordue tosnow onthe GPS antenna. If
there issnow onthe GPS antenna, youshou ld
remove it.The GPS antenna isat the rear on
the vehicle 'sroof.
Route Guidance afterVehic leTransport After
vehicle transport (e.g.byferry, cartrain
or by towing) COMAND mustdetermine the
vehicle locationagain.
Position findingtakesplaceautomatically
when thevehicle isdriven offagain, evenif
COMAND isswitched off.The actual length of
time mayvaryfrom casetocase. While
thevehicle isdetermin ingitsposition,
route guidance issubject tothe following
restric tions:
R Navigation announcements,route
guidance displaysand display edstreet
names donot match theactual location.
R COMAND doesnotissue anynavigation
announc ements.
R The message OffMapped Road and
a
direction arrowaredisplay edinstead ofthe
route guidance displays.The arrow
indicates thedirection ofthe destination .
i Direct ionarrow accuracy isalso
dependent oncorrec tvehicle position
and/or direction.
Onc ethe position findingoperation hasbeen
complet ed,route guidance takesplaceagain
via navigation announcementsand route
guidance displays.
Interr upting Journey during Rout e
Guida nce i
Aninterruption inthe journ eymeans
parkin gthe vehicle andswitch ingoffthe
vehicle.
The continuation ofthe journ eymeans
switch ingthe vehicle onagain and
con tinuing todrive.
If you interrupt thejourn eyduring route
guidance andcontinue itlater, thefollowing
applies:
R Ifyou continue the journ eywithin 2hours,
COMAND automatically continues route
guidance.
R Ifyou cont inue thejourney after2hours,
route guidance iscanceled. Youwillhave
to cont inue thecanceled routeguidance
again manually (Ypage 89).
Measur ementUnits The
measurement unitsdisplay edin
navigation modeareidentical tothose setin
the instr ument cluster. Introdu
ction
55Navigation Z
