Mercedes Benz 171 Rear SAM Control Unit

The rear SAM control unit with fuse and relay module (N10/2) is located on the control unit plate in the trunk.
· Exterior lights function, master control unit for the turn signal functions
· Central locking (CL [ZV])
· Anti-theft alarm system (ATA [EDW])
· Heated rear window (HHS)
• Left tail lamp (complete)
• Right tail lamp (complete)
• License plate illumination
• Center high-mounted stop lamp
• Trunk illumination
• Trunk lid emergency release switch
• Trunk lid lock 90° switch
• Trunk lid CL [ZV] motor
• KIT switch function illumination I
• Alarm signal horn with additional battery (with code 551 via interface)
• Tank cap pole reverser relays 1 and 2
• Circuit 15R relays 1 and 2
• Heated rear window relay
• Fuel level sensor
• Left door contact switch
• Right door contact switch
• Trunk lid external operation switch
• ATA [EDW] center console compartment switch (with code 551)
• Rear wall stowage compartment ATA [EDW] switch (with code 551)
• ATA [EDW] hood switch (with code 551)
• ATA [EDW] glove compartment switch (with code 551)
• Trunk lid emergency release switch
• ATA [EDW] trunk illumination switch (with code 551)
• Rotary tumbler/trunk lid microswitch
• ATA [EDW] inclination sensor (with code 551)
• CL [ZV] radio receiver (via interface) • Integrated crash sensor
The rear SAM control unit with fuse and relay module (N10/2) is a device on the CAN-B in the overall network.
Note
The fuel pump relay is mounted on the relay block of the rear SAM control unit and is actuated via the ME-SFI [ME] control unit.
• Circuit 30: Alarm signal horn with additional battery (plug 4)
• Circuit 30: ATA [EDW] inclination sensor (plug 4)
• Circuit 30: UPCI [UHI] control unit (plug 9)
• Circuit 30: PTS control unit (plug 22)
• Circuit 30: Left antenna amplifier module (plug 23)
• CAN link between rear SAM control unit and CAN B voltage distributor (plug 2)
• CAN: Audio gateway control unit (plug 11)
• CAN: PTS control unit (plug 12)
• CAN: Power soft top control unit (plug 18)
Connector assignment (bottom view) of rear SAM control unit with fuse and relay module (N10/2)
Connector assignment (side view) of rear SAM control unit with fuse and relay module (N10/2)


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