Selecting telephone antenna, function - GF82.95-P-3001G
MODEL 463.249 up to 31.8.08 as of model year 2007 model year 07.5, YoM 07
MODEL 463.271 as of model year 2007 model year 07.5, YoM 07
MODEL 463.237 as of model year 2009/YoM 08
Function requirements, general
- C. 30 ON
- Telematic Alarm Identification on Demand (emergency call system) (TELE AID) system authorized and operating error-free
- Defect in telephone and fax antenna (A2/22) or poor reception
Telephone antenna selection, general
Normally the cellular phone signals of the following vehicle-related services are transmitted and received by the communication module that is integrated in the emergency call system control unit (N123/4) via the telephone and fax antenna:
- Authorization (Provisioning)
- TELE AID emergency call, manual or automatic, incl. emergency police assistance number "911"
- MB-Info call
- Breakdown assistance (Roadside Assistance)
- Vehicle tracking
- Vehicle remote door unlock
In the event of a defective telephone and fax antenna, the communication module that is integrated in the emergency call system control unit automatically transmits and receives the relevant signals via the emergency call antenna (A2/52).
Telephone antenna selection function sequence
The emergency call system control unit monitors the radio and cell phone antenna splitter (A28/1) and the telephone and fax antenna via a discrete line.
The emergency call system control unit detects a malfunction in the telephone and fax antenna (defective e.g. because of a rollover) or poor reception and then automatically transmits or receives the cellular phone signals or data for each vehicle-related service via the emergency call antenna.
| Emergency call system control unit, component description | N123/4 | GF82.95-P-3212G | |
| Telephone antenna, component description | A2/22 | GF82.62-P-4117G | |
| Emergency call antenna component description | A2/52 | GF82.95-P-4000G | |
| Emergency call antenna splitter component description | A28/1 | GF82.95-P-4001G |