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Home >> Mercedes Benz >> 2021 >> GLB250 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 247 Chassis (3 Of 3) >> Wiring Diagrams >> Taxi Hands-Free Telephony, Function Schematic >> Taxi Hands-Free Telephony, Function Schematic - PE82.25-P-2503-97A

Taxi Hands-Free Telephony, Function Schematic - PE82.25-P-2503-97A

Model 247 up to model year 2023 

with code 938 (Hands-free two-way radio) 

with code 965 (Taxi/rental car - electrical pre-installation) 

Code: Designation: Position:
1 Operation, signal 17H
1 Operation, signal 14B
2 Mute function, signal 20B
2 Mute function, signal 26B
3 Voice input, signal 14G
4 Transmit/receive signal 14K
4 Transmit/receive signal 26K
5 Voice output, signal 26G
A26/17 Head unit 28F
A28/9 Two-way radio roof antenna 29K
A28/9 Two-way radio roof antenna 4L
A49 Two-way radio 16J
B25/10 Two-way radio microphone 4J
CAN B Interior CAN 19C
CAN HMI User interface CAN 25C
CAN K Multifunction CAN 16F
Code 545 Connect 5 (NTG6) 27D
Code 547 Connect 20 Entry (NTG6) 27E
Code 548 Connect 20 MID (NTG6) 27E
Code 549 Connect 20 HIGH (NTG6) 27E
H6 Taxi two-way radio speaker 29H
N166 Head unit/instrument cluster control unit 27D
N26/9 Special-purpose vehicle multifunction control unit 16D
N73 Electronic ignition switch control unit 21D
S93/2 Two-way radio switch 5D
G14690992Courtesy of MERCEDES-BENZ USA
G14690993Courtesy of MERCEDES-BENZ USA