KT200 ECU programmer is confirmed able to read and write Mercedes Benz C43GT 2019 MG1CP002 ECU flawlessly. Manually Checksum by using the original WinOLS v5 license. Have no idea if the cracked 4.7 works on mg1. You can test yourself. Set KT200 software up on Win10x64.

Look at this image which shows KT200 write Mercedes Benz MG1CP002 100% OK.

Pinout of KT200 Read/Write BOSCH MG1CP002 [SPC5777] – Mercedes [Gasoline]
Use:
– Multifunction cable
– Bench Box V.2
– Laboratory power supply or battery

Connect the multifunction cable as follows:
图4

Use KT200 to read and write use the following driver:
→ BENCH MODE
→ MERCEDES
→ SPC5777 – MERCEDES
→ MG1CP002