Fix AutoTuner No Crank No Start on Mercedes ME9.7

 Problem: Tried to read and write 2006 Mercedes E-Class 350 w211 MED9.7 ECU with Autotuner programmer via OBD.

I wrote the tuned file and got no crank no start.
I can’t read ID or write back original now.
Any help?


AutoTuner Mercedes ME9.7 ECU No Crack No Start Solution

Solution:

SOLVED: unplug battery 10mins and I was able to write again. Issue- bad file.

For this protocol, it is always just bench these, ECU is easy to get too so just as quick and safe plus full back up so win win.

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