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Launch X431 Benz Engine ECU Erase Instruction

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 etc with X-PROG3 programmer

 

Software requirements

Mercedes V49.60 and above

 

Operation steps

Take the MED17.7.X ECU as an example.

Enter the software and click “Theft protection”, as shown in Figure 1

Launch X431 Benz Engine ECU Erase Instruction 1

Select Expert Mode

Launch X431 Benz Engine ECU Erase Instruction 2

Network is required to download the wiring diagram. Please make sure that the network is well connected and click “OK”, as shown in Figure 3

Launch X431 Benz Engine ECU Erase Instruction 3

Connect X431 tool with x-prog3

Launch X431 Benz Engine ECU Erase Instruction 4

Click “Engine Control Unit”

Launch X431 Benz Engine ECU Erase Instruction 5

Click “Wiring diagram”

Launch X431 Benz Engine ECU Erase Instruction 6

Select engine ECU model and check diagram

Launch X431 Benz Engine ECU Erase Instruction 7

After the module is removed and connected according to the wiring diagram, click “OK”, as shown in Figure 8

Launch X431 Benz Engine ECU Erase Instruction 8

Click “<“, as shown in Figure 9

Launch X431 Benz Engine ECU Erase Instruction 9

Click “Completely erase module”

Launch X431 Benz Engine ECU Erase Instruction 10

Online calculate erase password function requires network connection.

Launch X431 Benz Engine ECU Erase Instruction 11

Display the original engine information before erasing. Click “OK” to begin erasing, as shown in Figure 12

Launch X431 Benz Engine ECU Erase Instruction 12

Calculating erase password in progress.

Launch X431 Benz Engine ECU Erase Instruction 13

Renew ECU successfully.

Launch X431 Benz Engine ECU Erase Instruction 14

 

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