How to Reset a Mercedes Benz Computer Module


1. Plug the OBD II scan tool connector into the socket to the left and slightly below the steering wheel.
2. Turn the ignition switch to 'ON.'
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. Press the 'Reset' or 'Erase' button on the scan tool to reset the computer codes.