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Home >> Mercedes Benz >> 2021 >> E450 Base, 2D Convertible >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 238 Chassis (6 Of 6) >> Wiring Diagrams >> Function Schematic For Telephony With Mobile Phone Cradle >> Function Schematic For Telephony With Mobile Phone Cradle - PE82.70-P-2503-97C

Function Schematic For Telephony With Mobile Phone Cradle - PE82.70-P-2503-97C

Model 238.4, 290 as of model year 2021 with code 899 (Front wireless telephone charging and antenna) 

Code: Designation: Position:
1 Operation, signal 26A
2 Telephone, signal 18F
2 Telephone, signal 12C
2 Telephone, signal 13F
2 Telephone, signal 15E
2 Telephone, signal 41F
2 Telephone, signal 8C
2 Telephone, signal 3C
2 Telephone, signal 49F
2 Telephone, signal 53F
2 Telephone, signal 45C
2 Telephone, signal 51E
2 Telephone, signal 43E
2 Telephone, signal 16G
2 Telephone, signal 18J
2 Telephone, signal 27H
2 Telephone, signal 34H
2 Telephone, signal 42K
2 Telephone, signal 40J
3 Cellular telephone system compensator, status 26F
4 Audio, signal 51K
4 Audio, signal 26K
5 Address data, signal 18J
5 Address data, signal 26H
6 Charge level, status 18H
6 Charge level, status 26F
7 Charging voltage and charging current, request 34F
8 Charging current, energy flow 42G
A2/102 Left telephone antenna 1D
A2/102 Left telephone antenna 54G
A2/103 Right telephone antenna 1E
A2/103 Right telephone antenna 54G
A2/109 Telephone antenna splitter 4D
A2/109 Telephone antenna splitter 50G
A2/155 Telephone and Active Parking Assist/stationary heater antenna changeover switch 10D
A2/155 Telephone and Active Parking Assist/stationary heater antenna changeover switch 46C
A2/161 Wi-Fi antenna 1 20J
A2/161 Wi-Fi antenna 1 37J
A2/162 Wi-Fi antenna 2 20K
A2/162 Wi-Fi antenna 2 37K
A2/168 Telephone antenna changeover switch 14C
A2/168 Telephone antenna changeover switch 42C
A2/175 Antenna changeover switch for telephony/stationary heater and Remote Parking Package 10E
A2/175 Antenna changeover switch for telephony/stationary heater and Remote Parking Package 46D
A2/91 Bluetooth® antenna 20G
A2/91 Bluetooth® antenna 37H
A26/17 Head unit 28F
A28/15 Cellular telephone system antenna amplifier/compensator 16F
A28/15 Cellular telephone system antenna amplifier/compensator 44F
B25/20 Driver hands-free system microphone 1L
B25/21 Front passenger hands-free system microphone 1L
CAN A Telematics CAN 25F
CAN A Telematics CAN 33F
Code 380 Car telephony package 6F
Code 380 Car telephony package 47F
Code 380 Car telephony package 12B
Code 380 Car telephony package 6B
Code 380 Car telephony package 42B
Code 380 Car telephony package 40B
Code 549 Connect 20 HIGH (NTG6) 19K
Code 549 Connect 20 HIGH (NTG6) 36K
Code B24 Remote control for stationary heater 7F
Code B24 Remote control for stationary heater 8B
Code B24 Remote control for stationary heater 6B
Code B24 Remote control for stationary heater 47F
Code B24 Remote control for stationary heater 45B
Code B24 Remote control for stationary heater 40B
N123/8 Front mobile phone cradle control unit 20F
N123/8 Front mobile phone cradle control unit 37F
U1238 Valid for model 238 9D
U1238 Valid for model 238 46D
U2906 Valid for model 290.6 9C
U2906 Valid for model 290.6 46C
G15062145Courtesy of MERCEDES-BENZ USA
G15062146Courtesy of MERCEDES-BENZ USA
G15062147Courtesy of MERCEDES-BENZ USA