How to Program Mercedes Euro6 Key with Autovei Truck Explorer?

How Is Mercedes Euro 6 Key Programming Done With Autovei Truck Explorer?

Mercedes Euro 6 vehicles produced today use the new-generation MP4 key/immobilizer system.

If these systems fail, you need an Autovei V6 device and SFTP KEYS licence to reprogram them or make a new key.

On Mercedes Euro 6 vehicles, key system information is stored in the ECU (MCM), TCM (Transmission Control Module) and EIS (Immobilizer).

Because all these modules are linked, a fault in one system can trigger operating problems in the others and create faults in those modules too.

Autovei programming tool can edit and program these modules.

In which situations is key coding or immobilizer repair required on Mercedes vehicles?

• If the EIS system on Mercedes Euro 6 vehicles is damaged
• If the Mercedes Euro 6 vehicle does not recognize the key system
• If any change is made to the MCM and TCM ECUs

Mercedes Euro 6 key programming — follow the steps below. If you are unsuccessful, contact us; our technical team, experts in this field, will help you.

Mercedes Euro 6 EIS Programming Procedure:

1. Remove the EIS;

2. Remove the EIS module and make connections according to the wiring diagram provided by Autovei.

3. Connect the Autovei device;

4. After making selections, read and save the entire Flash memory;

5. Solder the new EIS module, fit it and connect the Autovei device again;

6. Write the Flash file saved earlier to the new EIS module;

7. Fit the newly programmed EIS module to the vehicle;

8. Procedure complete.

Note: The repair procedure for EIS is the same. Writing the original FLASH file again is sufficient.

To perform these operations you need an Autovei device and the licences and cables listed below.

• Truck Explorer VEI V6 device
• DirectConnect2U adapter
• DC2-EIS cable
• DC2-EIS-ISP3 cable
• EIS ISP 10-pin socket
• EIS ISP licence

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