CGDI Prog MB V3.4.0.0 Error 25E1 Solution

Problem:

Update v3.4.0.0 has been released. However, after updating to v3.4.0.0, my CGDI MB firmware won’t update, returning error 25E1. The program doesn’t recognize the CGDI MB or serial number. When I roll back to v3.3.6.6, the program recognizes the CGDI MB and serial number.

CGDI Prog MB V3.4.0.0 Error 25E1 Solution

CGDI Prog MB V3.4.0.0 Error 25E1 Solution

CGDI Prog MB V3.4.0.0 Error 25E1 Solution

CGDI Prog MB V3.4.0.0 Error 25E1 Solution

Solution:

3.4.0.0 works but aslo need update firmware of CGDI MB.

See also
(Fixed) Mercedes W204 No Ignition After CGDI MB Repair
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