This guide explains how to virginize a Mercedes-Benz Continental DSM (FBS4) module (applicable to models C207, C292, W166, W212, W218, W447) using CG FC200 ECU programmer on the bench.

Step-by-Step Procedure:

1.Software Setup:

Open CG FC200 software and select:

Mercedes → Continental DSM FBS4 MC9S12XEQ512 – Platform Mode.

2.Wiring Connection:

Refer to the wiring diagram. Connect the FBS4 DSM module to the FC200 programmer as follows:

• 4x 12V
• 1x GND
• CAN-L
• CAN-H

Ensure all connections are secure and correct.

3.Function supported:

Read Dflash (cannot be used to clone DSM)

Write Dflash

Change VIN

Renew/Reflash

Transfer data

4.Module Identification:

Once connected, identify the DSM module in the software.

If successfully detected, the module status will show as “Activated.”

5.Backup Original Data:

Select the “Read Dflash” function to back up the original data from the DSM module.

Note: This backup cannot be used to clone the DSM but is essential for data preservation.

6.Virginize the DSM Module:

Choose the “Renew/Reflash” option to reset the module to a virgin state.

7.Completion:

After the process is complete, the system will confirm: “DSM is now renewed.”