Solution for MB SD C3 C4 C5 Error code 204

Error: If your MB SD C4 has the problem of DCDI-eErrorCode=204 as below, please follow our solution

This error comes up, it means the hardware procedure has been deleted, so you can’t set the WIFI or SDC4 ID

Solution: Update and reflash the hardware procedure, please update the three files shown below, the update order: 02->01->03

Note: When you update the files, please insert new batteries and it also needs connect your vehicle by OBD cable to supply power (if it connects vehicle failed, you can use OBD 12V power supply instead), or it will comes update error 662.