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

ENGINE 157.9, 276.8/9, 278.9 in MODEL 212 (except 212.095) as of model year 2014 

Code: Designation: Position:
1 Circuit 15, request OFF 10D
2 Circuit 15 relay, actuation OFF 5B
3 Circuit 15, status OFF 5E
3 Circuit 15, status OFF 7F
4 Circuit 30, status 4J
5 Circuit 31, status 6J
5 Circuit 31, status 3F
A8/1 Transmitter key 10G
CAN B Interior CAN 9D
CAN E1 Chassis CAN 1 8F
G1 On-board electrical system battery 5L
N10/1 Front SAM control unit with fuse and relay module 9B
N10/1kJ Circuit 15 relay 4B
N3/10 ME-SFI [ME] control unit 5F
N73 Electronic ignition switch control unit 9F
U1018 Valid for gasoline engine 276 4E
U1019 Valid for gasoline engine 278 3F
W10 Right front battery ground point 5J
W16/5 Left major assembly compartment electronics ground point 1F
Fig 1: Ignition OFF Electrical Function Diagram
G10242378Courtesy of MERCEDES-BENZ USA