Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 6, 1992.
As of Sunday, May 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
C-505/List No. 86771973-1976 Mercedes-Benz 280, 280c & 280sThrottle positioner removed, electric assist water operated choke is replaced with an electric choke, vacuum operated float chamber valve vent is replaced with a mechanical float chamber vent valve, baseplate eliminates EGR.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-157-4
  • Executive Order 157-4 / D157-4
  • ARB # D-157-4
  • Executive Order No: D-157-4
  • C.A.R.B. No. D-157-4
  • Resolution D-157-4
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-157-4 PDF

D-157-4 Document:

Current View

Previous E.O. D-157-3 | Previous E.O. D-156 | Next E.O. D-157-5 | Next E.O. D-158