Tutorial: How to erase/renew Mercedes Benz engine ECUs: MED17.7. X, ME9.7, SIM271KE2.0, SIM271DE2.0 using Launch X431 tools. It will erase the engine data and become inactive.   Requirements Equipment requirements Launch X431 IMMO Plus, IMMO Elite, PAD V, PAD VII … Continue reading Launch X431 Benz Engine ECU ME9.7 SIM271KE SIM271DE MED17.7.x Renew Instruction