Test report: CGMB Prog Benz Monster + AC adapter for Mercedes Benz W639 all keys lost.
Hardware: CGDI Prog MB programmer + AC adapter
Software: CGDI MB
Step 1: read EIS data
CGDI read out EIS data
Step 2: calculate pass
CGDI MB calculated password
NOT by OBD
waiting to read EIS data
pls unplug the direction lock ELV and connect the clip on the yellow line of the OBD line on the directional lock plug (the most fine line in the directional lock connector in the K-Line)
you need a key emulator
CGDI MB read EIS data successfully
CGDI MB Key Programmer managed to read out W639 password!