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Home >> Mercedes Benz >> 2025 >> S580 >> Repair and Diagnosis >> Accessories & Equipment >> Accessories Control Systems >> Electrical System -- Body (3 Of 3) -- 223 Chassis >> Wiring Diagrams >> Function Schematic For Telephony In The Rear >> Function Schematic For Telephony In The Rear - PE82.70-P-2502-97B

Function Schematic For Telephony In The Rear - PE82.70-P-2502-97B

Model 223 

with code 855 (Handset in rear armrest - Light) 

Model 223 

with code 856 (Telephone handset in rear armrest) 

Code: Designation: Position:
1 Operation, signal 3A
1 Operation, signal 19A
1 Operation, signal 24C
1 Operation, signal 24H
1 Operation, signal 28E
2 Telephone, signal 6E
2 Telephone, signal 6G
2 Telephone, signal 11G
2 Telephone, signal 15G
2 Telephone, signal 43D
2 Telephone, signal 44H
2 Telephone, signal 47H
2 Telephone, signal 40J
2 Telephone, signal 20F
2 Telephone, signal 24F
2 Telephone, signal 24D
2 Telephone, signal 24H
2 Telephone, signal 28E
2 Telephone, signal 32D
2 Telephone, signal 39D
2 Telephone, signal 37F
2 Telephone, signal 43C
2 Telephone, signal 39H
3 Charge level, status 19F
3 Charge level, status 28J
4 Cellular telephone system compensator, status 28J
5 Audio, signal 54H
5 Audio, signal 51D
5 Audio, signal 55F
5 Audio, signal 54B
5 Audio, signal 51K
5 Audio, signal 32K
5 Audio, signal 52B
5 Audio, signal 51G
5 Audio, signal 52H
5 Audio, signal 55G
5 Audio, signal 53L
5 Audio, signal 28L
6 Charging voltage and charging current, request 35J
7 Charging current, energy flow 39G
8 Wake-up, signal 38A
8 Wake-up, signal 43A
A105/7 Tablet PC 2C
A2/161 Driver's side Bluetooth®/WiFi antenna 26F
A2/161 Driver's side Bluetooth®/WiFi antenna 33E
A2/162 Center Bluetooth®/WiFi antenna 26H
A2/162 Center Bluetooth®/WiFi antenna 34F
A2/163 Front passenger side Bluetooth®/WiFi antenna 26G
A2/163 Front passenger side Bluetooth®/WiFi antenna 34F
A2/189 Bluetooth®/WiFi antenna 7E
A2/189 Bluetooth®/WiFi antenna 40E
A2/197 Rear passenger compartment Bluetooth®/WiFi antenna 1 50C
A2/199 Rear passenger compartment Bluetooth®/WiFi antenna 2 50D
A2/200 Antenna splitter 6G
A2/200 Antenna splitter 45J
A26/17 Head unit 30F
A26/20 Rear entertainment unit control unit 4A
A26/20 Rear entertainment unit control unit 50J
A28/16 Antenna amplifier/compensator 11G
A28/16 Antenna amplifier/compensator 41J
A34/19 Rear passenger compartment telephone receiver cradle 19J
A34/19 Rear passenger compartment telephone receiver cradle 45B
A40/5 Left rear seat entertainment system display 55J
A40/6 Right rear seat entertainment system display 55J
A67/1xTEL Left outside mirror antenna electrical connector 1G
A67/1XTEL Left outside mirror antenna electrical connector 48J
A67/2XTEL Right outside mirror antenna electrical connector 1H
A67/2xTEL Right outside mirror antenna electrical connector 48J
B25/36 Microphone 2K
B25/37 Microphone 2L
B25/38 Microphone 2L
B25/39 Microphone 2L
CAN A2 CAN 2 for telematics 22K
CAN A2 CAN 2 for telematics 33J
Code 447 Touchscreen in rear passenger compartment (rear touchscreen) 1C
Code 534 Connect 20 Premium (NTG7) 25G
Code 534 Connect 20 Premium (NTG7) 33F
Code 854 Rear Seat Entertainment System Plus 1A
Code 856 Telephone handset in rear armrest 1F
Code 856 Telephone handset in rear armrest 41G
Code 856 Telephone handset in rear armrest 50A
HSDL High-speed video link 10A
HSDL High-speed video link 18A
HSDL High-speed video link 26A
HSVL High-speed video link 53H
N123/11 Mobile phone cradle control unit 16H
N123/11 Mobile phone cradle control unit 36J
N123/13 Handset charging control unit 39B
N123/9 Telephone control unit 1E
N123/9 Telephone control unit 44E
U1243 Valid for telephony via the telephone control unit 1D
U1243 Valid for telephony via the telephone control unit 40D
U1244 Not valid for telephony via the telephone control unit 1F
U1244 Not valid for telephony via the telephone control unit 41H
G16231200Courtesy of MERCEDES-BENZ USA
G16231201Courtesy of MERCEDES-BENZ USA
G16231202Courtesy of MERCEDES-BENZ USA
G16231203Courtesy of MERCEDES-BENZ USA
G16231204Courtesy of MERCEDES-BENZ USA
G16231205Courtesy of MERCEDES-BENZ USA
G16231206Courtesy of MERCEDES-BENZ USA