Rear Passenger Compartment Telephone Receiver Cradle, Component Description - GF82.70-P-5008A

Model 223 

Courtesy of MERCEDES-BENZ USA

The numbers on the pins indicate the pin numbering of the slots.

Courtesy of MERCEDES-BENZ USA

Location for model 223 with code 244 

Courtesy of MERCEDES-BENZ USA

Location for model 223 except code 244