Originally Posted by
ZERACER
Is there no way to do it without sending the original ECU? I'm scared to death of it getting lost or damaged and then what?
Unfortunately no, Mercedes made sure that the original has to be torn apart and chips have to be physically removed to extract the data.
The good news is that the boards are extremely durable, electrically and physically. Damaging the files is next to impossible without a ton of heat. Shorts won't even damage the files. Ask me how I know

.