audio MERCEDES-BENZ ML320 1997 Complete Repair Manual

149 Tele Aid
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Important!
Always make sure that the indicator lamps in the
“SOS” button, the Roadside Assistance button• and
the Information button¡do not remain illuminated
constantly in red and the message “TELE AID – VISIT
WORKSHOP” is not displayed in the MCS display after
the system self check.
If a malfunction is indicated as outlined above, have the
system checked at the nearest Mercedes-Benz Light
Truck Center as soon as possible.
Emergency calls
An emergency call is initiated automatically:
•following an accident in which the Emergency
Tensioning Retractors (ETR’s) or airbags deploy,
•if the antitheft alarm or the tow away alarm stays on
for more than 20 seconds, see pages 35 and 36.
An emergency call can also be initiated manually by
opening the cover next to the inside rear view mirror
labeled “SOS”, then pressing the button (for longer than
2 seconds) located under the cover. See below for
instructions on initiating an emergency call manually.Once the emergency call is in progress, the indicator
lamp in the “SOS” button will begin to f lash. The
message “EMERGENCY CALL – CONNECTING CALL”
appears in the MCS display. When the connection is
established, the message “EMERGENCY CALL – CALL
CONNECTED” appears in the MCS display. All
information relevant to the emergency, such as the
location of the vehicle (determined by the GPS satellite
location system), vehicle model, identification number
and color are generated.
A voice connection between the Response Center and
the occupants of the vehicle will be established
automatically soon after the emergency call has been
initiated. When a voice connection is established the
audio system mutes and the message “TELE AID –
EMERGENCY CALL ACTIVE” appears in the MCS
display. The Response Center will attempt to determine
more precisely the nature of the accident provided they
can speak to an occupant of the vehicle.

153 Tele Aid
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index When the connection is established, the message
“ROADSIDE ASSISTANCE – CALL CONNECTED”
appears in the MCS display. The Tele Aid system will
transmit data generating the vehicle identification
number, model, color and location (subject to
availability of cellular and GPS signals).
While the call is connected, you can change to
navigation menu by pressing NAVI button on the MCS.
A voice connection between the Roadside Assistance
dispatcher and the occupants of the vehicle will be
established. When a voice connection is established the
audio system mutes and the message “TELE AID –
ROADSIDE ASSISTANCE CALL ACTIVE” appears in the
MCS display. The nature of the need for assistance can
then be described. The Mercedes-Benz Roadside
assistance dispatcher will either dispatch a qualified
Mercedes-Benz technician or arrange to tow your
vehicle to the nearest Mercedes-Benz Center. For
services such as labor and/or towing charges may apply.
Refer to the Roadside Assistance manual for more
information.These programs are only available in the USA:
•Sign and Drive services: Services such as jump start,
a few gallons of fuel or the replacement of a f lat tire
with the vehicle spare tire are obtainable,
•Remote Vehicle Diagnostics: This function permits
the Mercedes-Benz Roadside Assistance dispatcher
to download malfunction codes and actual vehicle
data.
Notes:
The indicator lamp in the Roadside Assistance
button• remains illuminated in red for
approximately 10 seconds during the system self-check
after turning key in steering lock to position 2 (together
with the “SOS” button and the Information
button¡).
See system self-check on page 148 when the indicator
lamp does not light up in red or stay on longer than
approximately 10 seconds.

155 Tele Aid
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index The Tele Aid system will transmit data generating the
vehicle identification number, model, color and location
(subject to availability of cellular and GPS signals).
While the call is connected, you can change to
navigation menu by pressing NAVI button on the MCS.
A voice connection between the Client Assistance
Center representative and the occupants of the vehicle
will be established. When a voice connection is
established, the audio system mutes and the message
“TELE AID – INFO CALL ACTIVE” appears in the MCS
display. Information regarding the operation of your
vehicle, the nearest Mercedes-Benz Light Truck Center
or Mercedes-Benz USA products and services is
available to you.
For more details concerning Tele Aid, please visit
www.mbusa.com and use your ID and password, sent to
you separately, to learn more (USA only).Notes:
The indicator lamp in the Information button¡
remains illuminated in red for approximately
10 seconds during the system self-check after turning
key in steering lock to position 2 (together with the
“SOS” button and the Roadside Assistance button•).
See system self-check on page 148 when the indicator
lamps do not light up in red or stay on longer than
approximately 10 seconds.
If the indicator lamp in the Information button¡ is
illuminated continuously and there was no voice
connection to the Response Center established, then the
Tele Aid system could not initiate an Roadside
Assistance call (e.g. the relevant cellular phone network
is not available). The message “Info – CALL FAILED”
appears in the MCS display.
Should this occur, information must be summoned by
other means.
Information calls can be terminated using the END
button on the MCS unit.

157 Tele Aid
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Important!
If the indicator lamp continues to flash or the system
does not reset, contact the Response Center at
1-800-756-9018 (in the USA) or 1-888-923-8367 (in
Canada), or Mercedes-Benz Client Assistance at
1-800-FOR-MERCedes (1-800-367-6372) in the USA or
Customer Service at 1-800-387-0100 in Canada.
Notes:
The indicator lamp for the respective button flashes
until the call is concluded and this can only be
completed by a Response Center or Client Assistance
Center representative, except Roadside assistance and
Information calls, which can also be terminated by
using the End button on the MCS unit.
When a Tele Aid call has been initiated, the MCS system
audio is muted and the selected mode (radio, tape or
CD) pauses. The optional cellular phone (if installed)
switches off. If you must use this phone, the vehicle
must be parked. Disconnect the coiled cord and place
the call. The navigation system (if engaged) will
continue to run. A pop-up window will appear in the
MCS display to indicate that a Tele Aid call is in
progress.Remote door unlock
In the case you have your vehicle locked unintentionally
(e.g. key inside vehicle), and the reserve key is not
handy, contact the Mercedes-Benz Response Center at
1-800-756-9018 (in the USA) or 1-888-923-8367 (in
Canada). You will be asked to provide your password
which you provided when you completed the subscriber
agreement.
Then return to your vehicle and pull outside handle of
liftgate for a minimum of 20 seconds until the “SOS”
button is flashing.
As an alternative, you may unlock the vehicle via
Internet using the ID and password sent to you shortly
after the completion of your Acquaintance Call.
The Response Center will then unlock your vehicle with
the remote door unlocking feature.
Note:
The remote door unlock feature is available if the
relevant cellular phone network is available.
The SOS button will f lash and the message
“EMERGENCY CALL – CALL CONNECTED” will appear
in t he MCS display to indica te receipt of t he d oor unlock
command.

149
Tele Aid
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
Important!
Always make sure that the indicator lamps in the
“SOS” button, the Roadside Assistance button • and
the Information button ¡do not remain illuminated
constantly in red and the message “TELE AID – VISIT
WORKSHOP” is not displayed in the MCS display after
the system self check.
If a malfunction is indicated as outlined above, have the
system checked at the nearest Mercedes-Benz Light
Truck Center as soon as possible.
Emergency calls
An emergency call is initiated automatically: • following an accident in which the Emergency
Tensioning Retractors (ETR’s) or airbags deploy,
• if the antitheft alarm or the tow away alarm stays on
for more than 20 seconds, see pages 35 and 36.
An emergency call can also be initiated manually by
opening the cover next to the inside rear view mirror
labeled “SOS”, then pressing the button (for longer than
2 seconds) located under the cover. See below for
instructions on initiating an emergency call manually. Once the emergency call is in progress, the indicator
lamp in the “SOS” button will begin to f lash. The
message “EMERGENCY CALL – CONNECTING CALL”
appears in the MCS display. When the connection is
established, the message “EMERGENCY CALL – CALL
CONNECTED” appears in the MCS display. All
information relevant to the emergency, such as the
location of the vehicle (determined by the GPS satellite
location system), vehicle model, identification number
and color are generated.
A voice connection between the Response Center and
the occupants of the vehicle will be established
automatically soon after the emergency call has been
initiated. When a voice connection is established the
audio system mutes and the message “TELE AID – EMERGENCY CALL ACTIVE” appears in the MCS
display. The Response Center will attempt to determine
more precisely the nature of the accident provided they
can speak to an occupant of the vehicle.

153
Tele Aid
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
When the connection is established, the message
“ROADSIDE ASSISTANCE – CALL CONNECTED”
appears in the MCS display. The Tele Aid system will
transmit data generating the vehicle identification
number, model, color and location (subject to
availability of cellular and GPS signals).
While the call is connected, you can change to
navigation menu by pressing NAVI button on the MCS.
A voice connection between the Roadside Assistance
dispatcher and the occupants of the vehicle will be
established. When a voice connection is established the
audio system mutes and the message “TELE AID –
ROADSIDE ASSISTANCE CALL ACTIVE” appears in the
MCS display. The nature of the need for assistance can
then be described. The Mercedes-Benz Roadside
assistance dispatcher will either dispatch a qualified
Mercedes-Benz technician or arrange to tow your
vehicle to the nearest Mercedes-Benz Center. For
services such as labor and/or towing charges may apply.
Refer to the Roadside Assistance manual for more
information. These programs are only available in the USA:
• Sign and Drive services: Services such as jump start,
a few gallons of fuel or the replacement of a f lat tire
with the vehicle spare tire are obtainable,
• Remote Vehicle Diagnostics: This function permits
the Mercedes-Benz Roadside Assistance dispatcher
to download malfunction codes and actual vehicle
data.
Notes:
The indicator lamp in the Roadside Assistance
button • remains illuminated in red for
approximately 10 seconds during the system self-check
after turning key in steering lock to position 2 (together
with the “SOS” button and the Information
button ¡).
See system self-check on page 148 when the indicator
lamp does not light up in red or stay on longer than
approximately 10 seconds.

155
Tele Aid
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
The Tele Aid system will transmit data generating the
vehicle identification number, model, color and location
(subject to availability of cellular and GPS signals).
While the call is connected, you can change to
navigation menu by pressing NAVI button on the MCS.
A voice connection between the Client Assistance
Center representative and the occupants of the vehicle
will be established. When a voice connection is
established, the audio system mutes and the message
“TELE AID – INFO CALL ACTIVE” appears in the MCS
display. Information regarding the operation of your
vehicle, the nearest Mercedes-Benz Light Truck Center
or Mercedes-Benz USA products and services is
available to you.
For more details concerning Tele Aid, please visit
www.mbusa.com and use your ID and password, sent to
you separately, to learn more (USA only). Notes:
The indicator lamp in the Information button
¡
remains illuminated in red for approximately
10 seconds during the system self-check after turning
key in steering lock to position 2 (together with the
“SOS” button and the Roadside Assistance button •).
See system self-check on page 148 when the indicator
lamps do not light up in red or stay on longer than
approximately 10 seconds.
If the indicator lamp in the Information button ¡ is
illuminated continuously and there was no voice
connection to the Response Center established, then the
Tele Aid system could not initiate an Roadside
Assistance call (e.g. the relevant cellular phone network
is not available). The message “Info – CALL FAILED”
appears in the MCS display.
Should this occur, information must be summoned by
other means.
Information calls can be terminated using the END
button on the MCS unit.

157
Tele Aid
Te ch n ica l
data
Instruments
and controls Operation
Driving Instrument
cluster display Practical hints Car care Index
Important!
If the indicator lamp continues to flash or the system
does not reset, contact the Response Center at
1-800-756-9018 (in the USA) or 1-888-923-8367 (in
Canada), or Mercedes-Benz Client Assistance at
1-800-FOR-MERCedes (1-800-367-6372) in the USA or
Customer Service at 1-800-387-0100 in Canada.
Notes:
The indicator lamp for the respective button flashes
until the call is concluded and this can only be
completed by a Response Center or Client Assistance
Center representative, except Roadside assistance and
Information calls, which can also be terminated by
using the End button on the MCS unit.
When a Tele Aid call has been initiated, the MCS system
audio is muted and the selected mode (radio, tape or
CD) pauses. The optional cellular phone (if installed)
switches off. If you must use this phone, the vehicle
must be parked. Disconnect the coiled cord and place
the call. The navigation system (if engaged) will
continue to run. A pop-up window will appear in the
MCS display to indicate that a Tele Aid call is in
progress. Remote door unlock
In the case you have your vehicle locked unintentionally
(e.g. key inside vehicle), and the reserve key is not
handy, contact the Mercedes-Benz Response Center at
1-800-756-9018 (in the USA) or 1-888-923-8367 (in
Canada). You will be asked to provide your password
which you provided when you completed the subscriber
agreement.
Then return to your vehicle and pull outside handle of
liftgate for a minimum of 20 seconds until the “SOS”
button is flashing.
As an alternative, you may unlock the vehicle via
Internet using the ID and password sent to you shortly
after the completion of your Acquaintance Call.
The Response Center will then unlock your vehicle with
the remote door unlocking feature.
Note:
The remote door unlock feature is available if the
relevant cellular phone network is available.
The SOS button will f lash and the message
“EMERGENCY CALL – CALL CONNECTED” will appear
in t he MCS display to indica te receipt of t he d oor unlock
command.

174 Controls in detailUseful featuresOnce the emergency call is in progress, the
indicator lamp in the SOS button will begin
to flash. The message
EMERGENCY CALL –
CONNECTING CALL
appears in the MCS dis-
play. When the connection is established,
the message
EMERGENCY CALL –
CALL CONNECTED
appears in the MCS dis-
play. All information relevant to the emer-
gency, such as the location of the vehicle
(determined by the GPS satellite location
system), vehicle model, identification num-
ber and color are generated.
A voice connection between the Response
Center and the occupants of the vehicle
will be established automatically soon af-
ter the emergency call has been initiated.
When a voice connection is established the
audio system mutes and the message
TELE AID – EMERGENCY CALL ACTIVE
ap-
pears in the MCS display. The Response
Center will attempt to determine more pre-
cisely the nature of the accident provided
they can speak to an occupant of the vehi-
cle.The Tele Aid system is available if:


it has been activated and is operation-
al. Activation requires a subscription
for monitoring services, connection
and cellular air time


the relevant cellular phone network
and GPS signals are available and pass
the information on to the response cen-
ter.iLocation of the vehicle on a map is only
possible if the vehicle is able to receive
signals from the GPS satellite network
and pass the information on to the re-
sponse center.
Warning!
G
If the indicator lamp in the SOS button is il-
luminated continuously and there was no
voice connection to the Response Center
established, then the Tele Aid system could
not initiate an emergency call (e.g. the rele-
vant cellular phone network is not available).
The message
EMERGENCY CALL –
CALL FAILED appears in the MCS display
for approx. ten seconds.
Should this occur, assistance must be sum-
moned by other means.

176 Controls in detailUseful featuresWhen the connection is established, the
message
ROADSIDE ASSISTANCE –
CALL CONNECTED
appears in the MCS dis-
play. The Tele Aid system will transmit data
generating the vehicle identification num-
ber, model, color and location (subject to
availability of cellular and GPS signals).
A voice connection between the Roadside
Assistance dispatcher and the occupants
of the vehicle will be established. When a
voice connection is established the audio
system mutes and the message
TELE AID
– ROADSIDE ASSISTANCE CALL ACTIVE
ap-
pears in the MCS display.

Describe the nature of the need for as-
sistance.The Mercedes-Benz Roadside assistance
dispatcher will either dispatch a qualified
Mercedes-Benz technician or arrange to
tow your vehicle to the nearest
Mercedes-Benz Light Truck Center. For
services such as labor and / or towing,
charges may apply. Refer to the Roadside
Assistance manual for more information.
These programs are only available in the
USA:


Sign and Drive services: Services such
as jump start, a few gallons of fuel or
the replacement of a flat tire with the
vehicle spare tire are obtainable,


Remote Vehicle Diagnostics: This func-
tion permits the Mercedes-Benz Road-
side Assistance dispatcher to
download malfunction codes and actu-
al vehicle data.
iWhile the call is connected you can
change to navigation menu by pressing
NAVI button on the MCS unit.
iThe indicator lamp in the Roadside As-
sistance button• remains illumi-
nated in red for approx. ten seconds
during the system self-check after turn-
ing the key in the steering lock to
position2 (together with the SOS but-
ton and the Information button¡).
See system self-check (
page 172)
when the indicator lamp does not light
up in red or stays on longer than ap-
proximately ten seconds.