Emission Ignition Timing and Idling Control Relay Black Box Mercedes 1972 280SE

Emission Ignition Timing and Idling Control Relay Black Box Mercedes 1972 280SE

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Emission Control Ignition Timing Switch Over Relay Black Box for 1972 Mercedes 280SE 000 545 37 32


  • This unit is made by VDO the OEM supplier to Mercedes for this unit.

  • The Mercedes part number on this is 000 545 37 32. 

  • This is one of the "Black Boxes" used in the emission control system. 

  • This relay allows for the switching of the timing from retard to advance based on
     engine RPM.

  • This switch is out at 1000 RPM and on at 600 RPM

  • This is used only on the USA models.


This new OEM VDO Idle Control Unit fits the following models:

  • 280 SE 6 Cylinder - 108.018 - 1972