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Home >> Mercedes Benz >> 2021 >> CLA250 4Matic >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Electrical System, Equipment & Instruments (3 Of 3) -- 118 Chassis >> Wiring Diagrams >> Function Schematic For Occupant Presence Reminder >> Function Schematic For Occupant Presence Reminder - PE54.30-P-2507-97A

Function Schematic For Occupant Presence Reminder - PE54.30-P-2507-97A

Model All (CAR) with code 88B (Passive child recognition in locked vehicle) 

Code: Designation: Position:
A17/3 Left rear KEYLESS GO door handle 2D
A17/4 Right rear KEYLESS GO door handle 2D
A26/17 Head unit 21F
A40/18 Instrument cluster display 26F
Ethernet Ethernet 18F
Ethernet Ethernet 11F
Ethernet Ethernet 11H
Ethernet Ethernet 6H
N3/9 CDI control unit 2F
N3/10 Engine management control unit 2G
N73/3 Electronic ignition switch control unit 15F
N127 Drivetrain control unit 8F
N127 Drivetrain control unit 2J
U1128 Valid for combustion engine 2E
U1142 Valid for electric vehicle 2H
CAN A1 CAN 1 for telematics 24F
CAN C CAN for engine 6F
LIN Local Interconnect Network 8C
1 Door rotary tumbler switch, status 13C
2 Combustion engine, status 7E
3 Vehicle speed, signal 13E
3 Vehicle speed, signal 13H
4 Status indication, signal 20E
5 Instrument cluster, message 26E
G16116396Courtesy of MERCEDES-BENZ USA
G16116397Courtesy of MERCEDES-BENZ USA
G16116398Courtesy of MERCEDES-BENZ USA
G16116399Courtesy of MERCEDES-BENZ USA