When you have the original ECU data, just use this renew cable to connect to KTAG to write to Mercedes ME9.7 ME 9.7 ECU SO449.
Mercedes Benz ECU ME9.7/272-273/ Renew Cable For KTM100 KTAG ECU Programming is a one of our KTAG ECU Programming Tools, you can buy Mercedes Benz ECU ME9.7/272-273/ Renew Cable For KTM100 KTAG ECU Programming from auto-obd2-tools.com.
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