1999 Mercedes Benz CLK430FACTORY OEM SERVICE PROCEDURE

Steering Angle Sensor

Steering angle sensor, located in upper section of contact spiral, consisting of a digital sensor with 9 equally spaced light emitting diodes, 2 microcomputers with a signal measuring ring. A defined center position of steering is recorded by the steering angle sensor. Steering wheel position is calculated and position is sent to control modules connected. Steering angle sensor must be re-initialized after voltage is interrupted. To initialize steering angle sensor, turn ignition switch to RUN position, then turn steering wheel from lock to lock.

Factory Service Tools

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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.