LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2001 >> C240 Standard >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Entertainment/Navigation -- 203 Chassis - 1 Of 2 >> Basic Knowledge >> TELE AID function - GF82.95-P-0001P

TELE AID function - GF82.95-P-0001P

MODELS 203, 210, 220 up to 31.8.03 with CODE (855) TELE AID with CODE (930) Taxi emergency call 

MODELS 208.3, 215 up to 31.8.03 with CODE (855) TELE AID 

TELE AID, general 

The name TELE AID stands for TELE MATIC  LARM DENTIFICATION ON EMAND. TELE AID is an automatic emergency call system using the availability of new technologies such as vehicle location finding via satellite and wide distribution of mobile telephone network for reducing accident causes (rescue time reduction).

Emergency calls and precise location description are automated by TELE AID and therefore do not depend on incorrect human behavior in stress situations.

Information processing of systems associated with TELE AID is performed via conventional wiring and vehicle's own bus systems (CAN and D2B).

TELE AID includes three services:

TELE AID emergency call is supplemented by TELE AID telediagnosis and the MB information service

TELE AID telediagnosis allows assistance to be obtained quickly in the case of a vehicle defect.

The prerequisites and function sequence of TELE AID telediagnosis are almost identical to the function sequence of TELE AID

emergency call. 

If vehicle operational problems occur, the driver can reach the responsible Mercedes-Benz service points via MB-Info.

Function sequence for a TELE AID emergency call 

A TELE AID emergency call can be actuated automatically or manually. The following actuation procedures should be distinguished:

If an alarm is triggered, the D2B telephone and TELE AID transmitter/ receiver (A35/17) sets up an emergency call telegram containing information on the accident severity, vehicle identification, vehicle positioning and type of alarm actuation.

If the telephone antenna (A2/22) is defective (model 215), (A2/49a1) (models 203, 208, 210, 220) the vehicle automatically switches to the TELE AID backup antenna (A2/50).

The emergency call telegram is transmitted via the vehicle telephone equipment (digital network).

The service provider number to be dialed is stored on the SIM card (TELE AID SIM) that is installed in the D2B telephone and TELE AID transmitter/receiver (A35/17) and dialed automatically by the system. The numbers dialed by the system vary according to the requested service. While the Tegoron company is responsible for the TELE AID emergency call, the CAC is responsible for the TELE AID telediagnosis and MB information (MB customer assistance center). If the power supply is interrupted (e.g. battery failure) the system is able to switch automatically over to an additional battery (G1/1).

IMPORTANT When the vehicle battery is disconnected for repair purposes, for example, the system switches automatically over to the additional battery (G1/1) when the telephone system is not set to the service mode.

The emergency call telegram is received and decoded by the service provider. When this is done, the position data contained in the message are converted by means of a street database into location and street name and forwarded together with further information from the emergency call message, to the rescue center responsible (as a general rule the police).

The decoded emergency call telegram is transmitted to the rescue service by the service provider as follows:

With a TELE AID service (emergency call, telediagnosis, MB information) a voice connection (via mobile telephone network) is accomplished from the vehicle to the associated service point. Then the required rescue measures are started there.

When initially started the system performs an authorization  . For this purpose a valid SIM ubscriber dentification odule) card (for TELE AID) must be installed in the D2B telephone and TELE AID transmitter/receiver (A35/17) and a service contract made with the corresponding service provider.

IMPORTANT For the TELE AID service (code 855) it is possible to install a SIM card for the D1 or D2 network, whereas for the TELE AID service (code 855) with  taxi emergency call (code 930) the installation of a SIM card for the D1 network is required. The TELE AID service cannot be used without authorization  . If no authorization has been obtained or the TELE AID emergency call system is malfunctioning, the SOS push-button switch (S93/3) indicator lamp comes on and an error message appears in the instrument cluster (A1) display.

Pictorial representation of procedure in case of an accident 

Fig 1: Pictorial Representation Of Procedure In Case Of An Accident
G04735720

If no authorization has been obtained or the TELE AID telediagnosis/MB information service is malfunctioning, an error message appears also in the instrument cluster (A1) display.

The following structogram indicates, strongly simplified, the sequence of a TELE AID emergency call.

The abbreviations used have the following meaning:

Fig 2: TELE AID Emergency Call Flow Chart
G04735721

Emergency call message is shown (TELE AID emergency call) 

Fig 3: Emergency Call Message Is Shown (TELE AID Emergency Call)
G04735722

IMPORTANT This is a TELE AID emergency call, test purposes only for has been triggered.

Emergency Call Card Is Shown (TELE AID Emergency Call) 

Fig 4: Emergency Call Card Is Shown (TELE AID Emergency Call)
G04735723

IMPORTANT This is a TELE AID emergency call, for test purposes only has been triggered.

  TELE AID, location of components Model 203 GF82.95-P-0001-01P 
    Model 208.3 GF82.95-P-0001-01FA
    Model 210 GF82.95-P-0001-01DA
    Model 215 GF82.95-P-0001-01NA
    Model 220 GF82.95-P-0001-01GA
  TELE AID block diagram   GF82.95-P-0001-02P 
  Telediagnosis, function   GF82.95-P-2008P 
  MB information, function   GF82.95-P-2010P 
  Taxi emergency call function Model 203 GF82.95-P-0002P 
    Model 210, 220 GF82.95-P-0002PA
  TELE AID switch-on/switch-off characteristics, function   GF82.95-P-2000P 
  Authorization, function   GF82.95-P-2001P 
  Status indicator, location/function IMPORTANT in emergency call system push-button GF82.95-P-2002P 
  Emergency call actuation, function TELE AID emergency call GF82.95-P-2003P 
    TELE AID telediagnosis GF82.95-P-2003PA 
  Emergency call telegram generation, function TELE AID emergency call GF82.95-P-2004P 
    TELE AID telediagnosis GF82.95-P-2004PA 
  Emergency call telegram transmission, function TELE AID emergency call GF82.95-P-2005P 
    TELE AID telediagnosis GF82.95-P-2005PA 
  Voice connection to vehicle, function   GF82.95-P-2006P 
  Position finding, function   GF82.95-P-3000P 
  Selecting telephone antenna, function   GF82.95-P-3001P 
  PIN check with TELE AID emergency call, function   GF82.95-P-3002P 
  Restraint system control unit data, function   GF82.95-P-3005P 
  Transmitter/receiver unit, location/task/design/function for telephone and TELE AID GF82.95-P-4300A 
  TELE AID emergency call push-button, location/task/design/function TELE AID emergency call GF82.95-P-4101A 
    TELE AID telediagnosis GF82.95-P-4101P 
  Telephone antenna, location/task   GF82.62-P-4105P
  Emergency alarm system trigger button, location/task/design/function Model 203 GF82.25-P-4100P
    Model 210, 220 GF82.25-P-4100PA
  Global positioning system antenna location/task/design/Function   GF82.61-P-4106P
  TELE AID substitute antennas, location/task/design/function   GF82.95-P-4102P 
  Hands-free microphone, location/task   GF82.70-P-4102A
  Additional battery, location/task   GF82.95-P-4204P 
  Rollover sensor, location/task   GF82.95-P-4206P 
  CAN databus, function   GF54.00-P-0005A
  Digital data bus (D2B), general function   GF82.00-P-0001A