To solve MB SD Connect C4 Error Code 204, just put fresh 6 battery and do a csd firmware update. This is a common problem with cheap SD C4.
The error message: DCDI_eErrorCode=204 (204)
Solved … was the 6 x AA battery into the SD connect
This is the how-to’s of…
Please prepare the following tools:
①— SD connect C4 multiplexer which need to input the batteries.
②— 6 units Ni-MH Rechargeable batteries, Size: AA, Voltage: 1.2V, Capacity: above 1700mA.
③— 1 unit 108M WIFI Card.
④— Plum screwdriver, Specification: T-20
Take out the rubber:
2.1 Use the T20 Plum screwdriver to take out the screws as below.
2.2 Take out the rubber as below.
①— Batteries Space.
②— WIFI Card Space.
③— SD Card Space.
Insert the Rechargeable batteries.
3.1 Use the T20 Plum screwdriver to take out the screws of Batteries Space fixation as below.
3.2 Take out the fixation of Batteries Space. Pay attention to the Battery polarity marked in the Batteries Space.
3.5 Use the T20 Plum screwdriver to fix the screws of Batteries Space fixation as below. Inserting the batteries is finished.
Installing WIFI Card.
4.1 Inserting the WIFI Card into the WIFI Card Space. Please make the correct direction.
4.2 Push it to make it totally connected.
4.3 Cover the rubber and fix the screws to finish all the work.
Go to the info section within DAS Xentry— search SDconnect and you will find what all the SDconnect symbols defined!!
pls check these picture, you can choose self-diagnosis your Mercedes Star Diagnostic SD connect c4