How-to: Benz W205 N3/10 online scn coding of control unit motor electronics MED40 for combustion engine M274 using Vxdiag Benz C6 xentry.
Procedure:
Connect VXDIAG C6 Benz vcx plus with vehicle and computer
Turn on ignition switch
Run Xentry software in VX Manager
Go to Diagnostic function
Confirm safety information and press Continue
Check N3/10 control unit version
Check if fault code exists, if yes, clear error codes.
Actual values
Go to Adaptations->Control unit update-> Updating of SCN coding
Enable online connection for the next steps
Coding of control unit MED40 for combustion engine M274 in process
Resetting control unit by VXDIAG C6 Benz
Switch off ignition then switch ON
Check variant coding
MED40 control unit coding complete
Enter repair order number
You are allowed to print the order report.
Done.
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