1969 Mercedes Benz 280SL Automatic TransFACTORY OEM SERVICE PROCEDURE

MERCEDES-BENZ Air Injection: Description

The system consists of an air pressure pump with centrifugal filter and pressure control valve, as well as connecting pipes, air distributor, back pressure valve and dump valve with an air line to intake manifold. The distributor and carburetor have been changed.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.