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Electrical function diagram for ignition OFF - PE07.10-P-2702-97DAI

ENGINE 157.9, 276.9, 278.9 in MODEL 212 (except 212.095) up to model year 2014 

Code: Designation: Position:
1 Circuit 15, request OFF 3B
2 Circuit 15 relay, actuation OFF 4C
3 Circuit 15, status OFF 5E
3 Circuit 15, status OFF 7E
4 Circuit 30, status 6H
5 Circuit 31, status 7J
5 Circuit 31, status 4F
6 Circuit 87, status 5F
CAN B Interior CAN 4B
CAN E Chassis CAN 6D
G1 On-board electrical system battery 6K
N10/1 Front SAM control unit with fuse and relay module 2B
N10/1kJ Circuit 15 relay 4D
N10/1kN Engine circuit 87 relay 2E
N3/10 ME-SFI [ME] control unit 6F
N73 Electronic ignition switch control unit 6B
U1018 Valid for gasoline engine 276 5F
U1032 Valid for engine 278 and 157 5F
W10 Right front battery ground point 6H
W16/5 Left major assembly compartment electronics ground point 3F
Fig 1: Ignition Off Electrical Function Diagram
G10054251Courtesy of MERCEDES-BENZ USA