How to Reset a Mercedes Benz Computer Module

Written by david clair
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Every Mercedez-Benz automobile is equipped with an on-board computer that monitors and regulates many functions of the vehicle. When the sensors connected to the computer detect a problem, an error code is generated. After the issue has been resolved, the computer may need to be reset with an OBD II scan tool, in order to remove the error codes.

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Things you need

  • OBD-II diagnostic scan tool

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  1. 1

    Plug the OBD II scan tool connector into the socket to the left and slightly below the steering wheel.

  2. 2

    Turn the ignition switch to "ON."

  3. 3

    Press the power button on the scan tool, if it does not come on automatically. Wait for the tool to complete the scanning process.

  4. 4

    Press the "Reset" or "Erase" button on the scan tool to reset the computer codes.

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