1988 Mercedes Benz 560SLFACTORY OEM SERVICE PROCEDURE

Diesel Engine Rpm Sensor

The RPM sensor is installed on the transmission mounting flange. The RPM sensor consists of a magnetic core and a coil. The sensor picks up engine RPM and transmits it in the form of alternating current voltage to the air conditioning compressor control unit. The signal is processed and then transmitted to EDS control unit.

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.