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TELE AID operation - GF82.95-P-0001TM

MODEL 211.0/2 with CODE (359) TELE AID emergency call system with CODE (494) USA version 

The emergency call system control unit (N123/4) is used to implement current and future vehicle-related services.

Currently supported vehicle-specific services in the US includes:

All telematics services are integrated in the emergency call system control unit and run fully automatic. The information is shown on the display of the COMAND operating, display and controller unit (A40/3) and in the multifunction display (A1p13) of the instrument cluster (A1). Since position finding is required for the services, the navigation unit that is integrated in the emergency call system control unit is also used. The navigation unit is a global positioning system (GPS) receiver in the emergency call system control unit, which allows precise position finding. The vehicle's position and direction of movement are determined automatically and kept available in a history. The navigation part receives its GPS data from the GPS antenna (A2/23) (model 211.2 up to model year 09) or from the GPS antenna (A2/49a2) (model 211.0 and 211.2 as of model year 09).

The communication unit is a cellular phone that was adjusted to the American cellular mobile telephone network and is only used to process the telematics functions. The communication part sends and receives its data over the telephone antenna (A2/22) (model 211.2 up to model year 09) or over the telephone antenna (A2/49a1) (model 211.0 and 211.2 as of model year 09).

A prerequisite for using the services, however, is a communication module of the emergency call system control unit that is authorized for the particular service. In other words, the communication module of the emergency call system control unit must have been configured ex factory with the telephone number of the corresponding service provider. In a second step, the user has to become authorized in the service center via this telephone number. The authorization can already be done, in part, at the factory. The telematics services are activated by pressing the corresponding button in the MB-Info and breakdown assistance button group (S93/6) or for a manual emergency call by pressing the SOS switch (S93/3s1) in the overhead control panel control unit (N70).

Following activation the emergency call system control unit sends a message over the Short Message Service (SMS) to the Service Center. While the SMS is transmitted, a telephone connection to the service center is established immediately.

Function requirements 

Any telematics service has to be authorized individually. In the event of a fault or missing authorization, an error message is shown in the multifunction display of the instrument cluster and on the COMAND operating, display and controller unit's display. The system is operational as soon as circuit 30 is active.

Self-test 

When circuit 15R is active, the emergency call system control unit performs a self-test (for approx. 3.5 s). If the test is successful, the system is operational.

Basic functions 

Emergency call system 

In the event that the driver has an emergency in a remote area, a service technician can obtain an overview of the situation in the vehicle interior with the aid of the emergency call system control unit and initiate the appropriate emergency measures (automatic emergency call). It is also always possible to make a manual emergency call by actuating the SOS switch in the overhead control panel control unit at the same time.

The emergency call system is activated using two different methods:

In both cases, an emergency message is transmitted immediately to the closest emergency center. Contents of the emergency call message are:

Terminating the emergency call 

Usually, the emergency service center deactivates the emergency call.

IMPORTANT During an emergency call, any attempt at making a call is terminated after 5 unsuccessful dialing attempts by the emergency call system control unit.

TELE AID position of the components Model 211.0 GF82.95-P-0001-01TM
Model 211.2 GF82.95-P-0001-01TMA 
Model 211.0 as of model year 09 GF82.95-P-0001-01TMB
TELE AID block diagram Model 211.0 GF82.95-P-0001-02TM
Model 211.2 GF82.95-P-0001-02TMA 
Model 211 as of model year 09 GF82.95-P-0001-01TXB
TELE AID switch-on/switch-off characteristics, function   GF82.95-P-2000TM 
Authorization, function   GF82.95-P-2001TM 
Status indicator, location/function   GF82.95-P-2002TM 
Emergency call actuation, function TELE AID emergency call GF82.95-P-2003TM 
TELE AID telediagnosis GF82.95-P-2003TMA 
Emergency call telegram generation, function TELE AID emergency call GF82.95-P-2004TM 
TELE AID telediagnosis GF82.95-P-2004TMA 
Emergency call telegram transmission, function TELE AID emergency call (up to model year 09) GF82.95-P-2005TM 
TELE AID emergency call (as of model year 09) GF82.95-P-2005TMB 
TELE AID telediagnosis (up to model year 09) GF82.95-P-2005TMA 
TELE AID telediagnosis (as of model year 09) GF82.95-P-2005TMC 
Voice connection to vehicle, function Up to model year 09 GF82.95-P-2006TM 
As of model year 09 GF82.95-P-2006TMB 
Telediagnosis, function   GF82.95-P-2008TM 
MB information, function   GF82.95-P-2010TM 
Position finding, function   GF82.95-P-3000TM 
Selecting telephone antenna, function   GF82.95-P-3001TMB 
Restraint system control unit data, function   GF82.95-P-3005TM 
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