1987 Mercedes Benz 560SLFACTORY OEM SERVICE PROCEDURE

EZL Ignition Operation: Notes

The ignition control module stores ignition specifications for typical engine operating conditions and outputs signals based on input data regarding intake manifold vacuum, coolant temperature, engine speed and throttle valve position.

Firing of the electronic ignition system is controlled by a position indicator, and 3 sensors on the flywheel/flexplate that are offset 120 degrees.

Factory Service Tools

Use the Manual With the Right Hardware

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

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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.