How to Clone Mercedes 9G-Tronic VGS NAG3 Gearbox by Yanhua Mini ACDP?

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Estimated reading time: 1 min

How to Clone Mercedes 9G-Tronic VGS NAG3 Gearbox by Yanhua Mini ACDP?

The 9G-TRONIC automatic transmission from Mercedes-Benz is the world’s first automatic transmission to feature a hydrodynamic torque converter. With Yanhua Mini ACDP and Module 19, we are able to clone the 9G TronicVGS NAG3 gearbox using the interface board without soldering.

The procedure goes below:

Step 1: Install Interface Board

In the VGA NAG3 9G Tronic function menu, ACDP will show you how to connect the interface board with ACDP and the gearbox

Follow the instructions guide to make a connection

01

Follow instructions guide to make connection

 

Follow instructions guide to make connection
Follow instructions guide to make connection

Follow instructions guide to make connection

Follow instructions guide to make connection

Follow instructions guide to make connection

Install the interface board
Short circuit the CAN resistor on the DB15-LAN adapter to the CAN-R side
Connect the interface board with the ACDP mini host and connect the power adapter

Step 2: Read the full data

Run the Mini ACDP app
Go to Benz function- Gearbox clone/reflash- C Class- VGS_NAG3 (9GTronic)

Follow instructions guide to make connection

Select Full Backup Data

Follow instructions guide to make connection
Follow instructions guide to make connection

Make sure that the ACDP device is connected to the gearbox
Record the Boot version and Bosch part number
These two numbers of the new gearbox need to be the same as the original one
Make a screenshot to save the system information as well
Press Continue to reading chip data

Follow instructions guide to make connection
Follow instructions guide to make connection

Save data
Backup chip data finished

Step 3: Write data

Follow instructions guide to make connection

Connect new VGA NAG3 9G Tronic gearbox with ACDP interface board
select Full Write Data

Follow instructions guide to make connection
Follow the instructions guide to make a connection

check if the two numbers of the new gearbox need to be the same as the original one
Make a screenshot to save the system information

Follow instructions guide to make connection
Follow instructions guide to make connection

Select the chip data file
choose the chip data file that was saved in the previous step

Write data finished.

Follow instructions guide to make connection
Follow instructions guide to make connection

9GTronic transmission gearbox cloning is done. Install new gearbox back to vehicle and test.

After completion, it is necessary to use Mercedes xentry diagnostic software to check for error codes and clear them

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