Is MB SD C4 Possible to Work on Mercedes W203 C206?

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One customer wondered if MB SD C4 could work on Mercedes like W203 C206.

Here is the Answer:
SD C4 before 4/11/2023 doesn't support W203 C206;
SD C4 after 4/11/2023 with updated motherboard supports W203 C206.

How to identify New/ Old board except date of manufacture?
New type has a mark on the case of the Ethernet port.
(The one with a bulge is the new type)


How to make old type work on W203 C206?
Short-circuit two points on Wi-Fi module.
(Then Wi-Fi is not allowed to use, users can restore the two points to make Wi-Fi work again)