Mercedes-Benz C-Class Manuals

Mercedes Benz C-Class (W204) Training Manual: Signal Acquisition and Actuation Module (SAM)

Mercedes Benz C-Class (W204) Training Manual / Electrical System / Signal Acquisition and Actuation Module (SAM)

Front SAM

The front SAM/SRB control unit (N10/1) is installed in the engine compartment in the driver-side control unit box.

The most important functions are:

  • Control of the front exterior lights
  • Master of the turn signal function
  • Control of the cornering illumination
  • Rain closing of the tilting/sliding roof
  • Actuation of the central locking elements of the rear doors (discrete line)
  • Crash emergency opening of the central locking via an integrated crash sensor (6g)
  • Integrated central gateway (CGW [ZGW])

Gateway between the following CANs:

  • Interior CAN
  • Chassis CAN
  • Diagnostic CAN
  • Front end CAN

Gateway between the following LINs:

  • Instrument panel LIN
  • Wiper/inside rearview mirror LIN

Mercedes Benz C-Class. Signal Acquisition and Actuation Module (SAM)

Rear SAM

The rear SAM/SRB control unit (N10/2) is installed on the wheelhouse on the right side of the trunk.

The most important functions are:

  • Control of the rear exterior lights
  • Master of the ATA [EDW]
  • Master of the central locking system
  • Battery state recognition
  • Control of the on-board electrical system management

Gateway between the following LINs:

  • On-board electrical system LIN (IBS-LIN)
  • Alarm sirens LIN

Mercedes Benz C-Class. Signal Acquisition and Actuation Module (SAM)

    Networking

    Relay assignment of the fuse and relay box (SRB)

    See More:

    Mercedes-Benz C-Class Owners Manual > Warning and indicator lamps: Overview of warning and indicator lamps
    Some systems will perform a self-test when the ignition is switched on. Some warning and indicator lamps may briefly light up or flash. This behavior is non-critical. These warning and indicator lamps indicate a malfunction only if they light up or flash after the engine has been started or during a ...

    Mercedes-Benz C-Class Owners Manual

    Mercedes Benz C-Class (W204) Training Manual

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