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Home >> Mercedes Benz >> 2021 >> A220 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 177 Chassis (4 Of 4) >> Wiring Diagrams >> (Function Schematic For Telephony With Telephone Control Unit) >> (Function Schematic For Telephony With Telephone Control Unit - PE82.70-P-2504-97B)

(Function Schematic For Telephony With Telephone Control Unit - PE82.70-P-2504-97B)

Model 213, 238.3, 257 as of model year 2021 with code 380 (Car telephony package) 

Code: Designation: Position:
1 Operation, signal 26A
2 Telephone, signal 11D
2 Telephone, signal 6D
2 Telephone, signal 53D
2 Telephone, signal 47D
2 Telephone, signal 21D
2 Telephone, signal 26D
2 Telephone, signal 31D
2 Telephone, signal 42D
3 SIM card, status 26G
4 Bluetooth® SAP, communication 15J
4 Bluetooth® SAP, communication 17J
5 Audio, signal 43K
5 Audio, signal 26K
A2/102 Left telephone antenna 2E
A2/102 Left telephone antenna 54E
A2/103 Right telephone antenna 2F
A2/103 Right telephone antenna 54F
A2/109 Telephone antenna splitter 7E
A2/109 Telephone antenna splitter 48E
A2/161 WLAN antenna 1 22E
A2/161 WLAN antenna 1 32E
A2/162 Wi-Fi antenna 2 23F
A2/162 Wi-Fi antenna 2 33F
A2/91 Bluetooth® antenna 22E
A2/91 Bluetooth® antenna 32E
A26/17 Head unit 27F
B25/20 Driver hands-free system microphone 1K
B25/21 Front passenger hands-free system microphone 1L
CAN A Telematics CAN 17G
CAN A Telematics CAN 24G
Code 549 Connect 20 HIGH (NTG6) 22F
Code 549 Connect 20 HIGH (NTG6) 32F
N123/9 Telephone control unit 12F
N123/9 Telephone control unit 43E
G15062154Courtesy of MERCEDES-BENZ USA
G15062155Courtesy of MERCEDES-BENZ USA
G15062156Courtesy of MERCEDES-BENZ USA