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Home >> Mercedes Benz >> 2021 >> GLA250 4Matic >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Electrical System - Body -- 247 Chassis (3 Of 3) >> Wiring Diagrams >> Trigger Taxi Emergency Alarm, Function Schematic >> Trigger Taxi Emergency Alarm, Function Schematic - PE82.25-P-2501-97A

Trigger Taxi Emergency Alarm, Function Schematic - PE82.25-P-2501-97A

Model 247 up to model year 2023 with code 934 (Taxi emergency alarm unit) with code 965 (Taxi/rental car - electrical pre-installation) 

Code: Designation: Position:
1 Operation, signal 17C
2 Emergency alarm, signal 17F
2 Emergency alarm, signal 23B
2 Emergency alarm, signal 12F
2 Emergency alarm, signal 8F
2 Emergency alarm, signal 27C
3 Roof sign lamp, actuation 27E
4 Switch on exterior lights, request 28H
5 Interior lamp, request 27H
6 Fanfare horns, request 26H
A28/9 Two-way radio roof antenna 29D
A49 Two-way radio 25D
A8/1 Transmitter key 2H
ATS Antenna system 8G
CAN B Interior CAN 16G
CAN B Interior CAN 24H
CAN K Multifunction CAN 22C
Code 341 Taxi roof sign 28E
Code 938 Hands-free two-way radio 28B
E14/4 Roof sign lamp 29G
N10 Central control module 29J
N26/9 Special-purpose vehicle multifunction control unit 19F
N73 Electronic ignition switch control unit 13H
S62/5 Emergency alarm system "Cancel" button 3E
S62/6 Emergency alarm system "Trigger" button 3E
G16065088Courtesy of MERCEDES-BENZ USA
G16065089Courtesy of MERCEDES-BENZ USA