1997 MERCEDES-BENZ ML320 navigation system

Fig. 52: Identifying Digitized DVD Map Area And Non-Digitized DVD Map Areas
Navigation is the generation and output of driving recommendations, in order to guide the driver to the desired
destination. The prerequisites of destination guidance include:
Constant map matching is in operation (occurs automatically),
Destination was entered
Route has been calculated.
The navigation processor continuously compares the route calculation data with the ongoing location finding
data and derives from this measures for further navigation.
The navigation processor is integrated in the radio (A2).
Depending on the vehicle position, a distinction is made between the following navigation modes:
Destination within digitized DVD map area
Restricted navigation outside the digitalized DVD map area
GUIDANCE, FUNCTION - GF82.61-P-3012GI
MODEL 163 as of 1.9.01 with CODE (522) Modular control system (MCS) radio USA with CODE (357)
Navigation system - additional unit with CODE (818b) Single CD player - additional unit with CODE
(491) U.S. version
Digitized and non digitized CD-ROM map areas
Destination guidance in
digitalized map area,
function GF82.61-P-4000C

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 91 © 2006 Mitchell Repair Information Company, LLC.

Fig. 53: Identifying Digitized And Non Digitized CD-ROM Map Areas
The road network is indicated in extremely simplified form.
Guidance is the generation and output of driving recommendations, in order to guide the driver to the desired
destination. The prerequisites for route guidance are:
Permanent location finding is in operation (is accomplished automatically),
destination has been entered and
the route has been calculated.
The navigation processor permanently compares the data from route calculation with the data from permanent
location finding using this information for measures for further guidance. Two route guidance operating modes
can be distinguished depending on the vehicle position (see figure):
Guidance within the digitized CD-ROM map area.
Limited guidance outside of the digitized CD-ROM map area.
DESTINATION GUIDANCE IN DIGITALIZED MAP AREA, FUNCTION - GF82.61-P-4000C
MODEL 163, 168, 170, 203.0 /2 /7, 208, 209.3 /4, 210 with CODE (353) Audio 30 APS
Display layout of the radio (A2) during navigation, shown on model 203
Guidance in digitized
map area, function GF82.61-P-4000GI
Guidance in non-digitized
map area, function GF82.61-P-4001GI

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 92 © 2006 Mitchell Repair Information Company, LLC.

Fig. 54: Display Layout Of Radio (A2) During Navigation - Shown On Model 203
When traveling within the digitized map area, the following information calculated by the navigation processor
is available to the user (partially to be called with "I" (INFO) button):
Route list indicating the distance to be driven on the affected streets or roads
Distance to destination and estimated time of arrival (the time must be set correctly for this purpose).
Driving recommendations
Arrow indicating the driving direction
Current location, in other words name of city and street, latitude and longitude
Name of the next road into which the vehicle should turn
Distance to next turning point specified in units of length or as bar graph (3)
The navigation processor generates graphic signals for the navigation system symbols.
Actual route guidance is supported by voice output via the vehicle loudspeakers.
GUIDANCE IN DIGITIZED MAP AREA, FUNCTION - GF82.61-P-4000GI
MODEL 163 as of 1.9.01 with CODE (522) Modular control system (MCS) radio USA with CODE (357)
Navigation system - additional unit with CODE (818b) Single CD player - additional unit with CODE
(491) U.S. version
When driving within the digitized map area the following information is available to the user:
Current position and vehicle route on digital map (illustrated in figure)
Distance from destination and anticipated time of arrival
Destination guidance in
non-digitalized map area,
function GF82.61-P-4001C

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 93 © 2006 Mitchell Repair Information Company, LLC.

Driving direction recommendation
Distance to next turning point (specified in units of length)
The data is determined by the navigation processor and transmitted to the radio and navigation module
(A2/56) The current route guidance is primarily supported by the voice output (English).
The scale of the displayed map can be changed in increments. In addition it is possible to select whether the
map is aligned in the direction of motion Head-Up ) or toward the north North-Up ). The graphical signals for
map illustration is generated by the navigation processor.
DESTINATION GUIDANCE IN NON-DIGITALIZED MAP AREA, FUNCTION - GF82.61-P-4001C
MODEL 163, 168, 170, 203.0 /2 /7, 208, 209.3 /4, 210 with CODE (353) Audio 30 APS
When traveling outside of the digitized map area (e.g. company grounds, parking buildings, dirt roads,...),
however still within the DVD map boundaries, the navigation processor switches over to "navigation system in
non-digitized map area".
On the radio (A2) display the following message appears:
"OFF ROAD"
If the vehicle is also outside the DVD map limit, the following message appears:
"OFF MAP"
In both cases, only basic location finding is accomplished with correction using the GPS data.
A (limited) route guidance can be conducted only with specification of the:
Distance from the destination as the crow flies
Direction to the destination (as an arrow)
After reentering the digitized map area, the system automatically continues with "navigation system in digitized
map area". The possible streets/roads on which the vehicle may be located are determined with the aid of GPS
location finding. During this process a slight delay in the route guidance may result.
The road data of several Central European countries are stored on the navigation DVD, so that the "OFF
MAP" message will not appear, if borders between the stored countries are crossed. No special foreign country
DVD has to be inserted.
Voice output, function GF82.85-P-3001GI
Guidance in non-digitized
map area, function GF82.61-P-4001GI

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 94 © 2006 Mitchell Repair Information Company, LLC.

GUIDANCE IN NON-DIGITIZED MAP AREA, FUNCTION - GF82.61-P-4001GI
MODEL 163 as of 1.9.01 with CODE (522) Modular control system (MCS) radio USA with CODE (357)
Navigation system - additional unit with CODE (818b) Single CD player - additional unit with CODE
(491) U.S. version
When traveling outside of the digitized map area (e.g. company grounds, parking buildings, dirt roads,...),
however still within the CD-ROM map boundaries, the navigation processor switches over to " Guidance in
non-digitized map area " .
The following message appears on the display of the radio and navigation module (A2/56) :
"OFF ROAD "
In this case only basic location finding (dead reckoning) with correction by the GPS data is performed (no map
matching )
After reentering the digitized map area, the system automatically continues with " Guidance in digitized map
area ".
With the aid of the GPS position the possible roads, on which the vehicle could be located, are determined.
However, this can result in temporary delays in the guidance function.
DYNAMIC ROUTE GUIDANCE, FUNCTION - GF82.61-P-4003GI
MODEL 163 as of 1.9.01 with CODE (522) Modular control system (MCS) radio USA with CODE (357)
Navigation system - additional unit with CODE (818b) Single CD player - additional unit with CODE
(491) U.S. version
Dynamic route guidance,
function GF82.61-P-4003QA
Basic location finding,
function GF82.61-P-3006GI
Global positioning
system location finding,
function GF82.61-P-3007GI
Guidance in digitized
map area, function GF82.61-P-4000GI

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 95 © 2006 Mitchell Repair Information Company, LLC.

Fig. 55: Identifying Dynamic Route Guidance Function
Starguide was developed on the basis of dynamic route guidancein Europe. In order to comply with the more
comprehensive USA requirements this system also contains an additional Information Service specially
adapted to specific user requirements.
Dynamic route guidance
The desired requirements are transmitted to the S ervice O perating C enter (SOC ). The Service O perating C
enter (SOC ) transmits the individual and relevant traffic situations to the vehicle in the greater metropolitan
area of Los Angeles.
The current route guidance and the calculation of the dynamic route guidance is accomplished by the navigation
processor in the radio and navigation module (A2/56)
Moreover, traffic jams and construction sites are indicated on the radio and navigation module (A2/56)
display in form of icons .
•
•
The dynamic route guidance service will be tested in the Los Angeles area beginning in the summer of 2001.

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 96 © 2006 Mitchell Repair Information Company, LLC.

DYNAMIC ROUTE GUIDANCE, FUNCTION - GF82.61-P-4003QA
MODEL 163, 168, 170, 203.0 /2 /7, 208, 209.3 /4, 210 with CODE (353) Audio 30 APS
The current traffic situation is taken into consideration in the dynamic route guidance. The COMAND
navigation system Audio 30 APS can receive information on the traffic situation either by the Traffic Center
Service (TCS) or the Traffic Message Channel (TMC).
The services from the Traffic Center Service (TCS) are offered by an external provider and an application is
to be sent to the provider for use.
Traffic messages via Traffic Center Service (TCS)
The latest traffic situation information is transmitted by a service provider for a fee in the form of an SMS (short
message service) signal via the CTEL D network. The traffic data are only transmitted when the service
provider receives a corresponding request from the vehicle.
The request can be sent either:
Cyclically, every 15 minutes
Once
In order to reduce the data volume the current location of the vehicle is automatically sent to the D network
center when the information request is posted.
The service provider then transmits only traffic messages at within a radius of approx. 75 km of the vehicle. The
telephone system of the vehicle receives the traffic announcements and transmits them via the D2B to the traffic
data recorder that is integrated in the radio (A2).
It is possible to use the telephone during TCS data interchange.
Traffic messages via Traffic Message Channel (TMC)
Information on the current traffic situation is transmitted by a specially equipped radio-broadcast station aimed
at specific areas and coded (toll) or uncoded (toll free) via VHF. For this purpose an appropriate FM/ RDS
station must be tuned in.
The radio (A2) receives the traffic announcements and transmits them to the traffic data recorder. Since no
communication is accomplished between the vehicle and broadcasting corporation with TMC messages, the
traffic data recorder selects the traffic messa
ges related to the route on which the vehicle is presently driving as
Starguide, function GF82.85-P-2014GI
Information service,
function GF82.85-P-3016GI
Data transmission for
Starguide, function GF82.85-P-3017GI

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 97 © 2006 Mitchell Repair Information Company, LLC.

well as the surrounding area.
Traffic information analysis
In both cases (TCS or TMC) the traffic data recorder decodes the traffic information and forwards it when
requested to the navigation computer. The navigation processor makes the decision whether the route should be
changed. If necessary, a message that the route should be changed is output via the vehicle speaker.
For synchronization purposes the traffic data recorder needs a list from the navigation processor, in which each
stretch and each striking feature (e.g., freeway exit) of the recorded street network is clearly defined with the aid
of a number. The list is originally stored on DVD. If required (e.g. changing the DVD) it is automatically
loaded into the traffic data recorder. The traffic information stored in the traffic data recorder is erased
automatically after 0.5 hrs., max. 100 messages can be stored.
The decoded traffic messages are marked on the map using suitable symbols. They can also be displayed as
clear text. To this end the "alternate route" button should be pressed and the "TRAFFIC INFO" menu activated.
RADIO AND NAVIGATION UNIT, LOCATION - GF82.61-P-4109-01A
Models 163, 168, 170,208, 210 with code 353
Radio/navigation unit
location/task/design/ functionModels 163, 168,
170, 208, 210GF82.61-P-4109A
Model 209GF82.61-P-4109QA
Radio, location/task/design/functionModel 203GF82.60-P-4109P
Transmitter/receiver unit,
location/task/design/ functionModel 203, 210
with code (853) MB
standard telephone
with code (855)
TELE AID
with code (930) taxi
emergency call
Model 209
with code (853) MB
standard telephone
with code (855)
TELE AIDGF82.95-P-4300A
Telephone interface,
location/task/design/ functionModel 203, 209GF82.70-P-3107Q

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 98 © 2006 Mitchell Repair Information Company, LLC.