Car telephone (D-network), function schematic - GF82.70-P-0003-02C

Function schematic for permanently installed telephone 

Fig 1: Identifying Car Telephone (D-network), Function Schematic (1 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Function schematic for cellular telephone 

Fig 2: Identifying Car Telephone (D-network), Function Schematic (2 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.