Tuesday, November 10, 2020

How to replace and programming Mercedes ME 9.7?

How to replace and programming Mercedes ME 9.7? 


Mercedes ME 9.7 ECU is a more frequently replaced parts,obd2cartool will show you a step-by-step guide on how to use KTAG to read/write Mercedes Benz ME9.7 And try this procedures at your own risk!


How to replace and program Me 9.7 with Ktag:

You need:


Ktag or KTM100 (to help write data)

Mercedes ME 9.7 ECU (for replacement)

Renew cable (to write data into the new ECU)


Step 1: Remove the ME9.7 ECU from vehicle,and open the ECU shell carefully.


Step 2: read and save original ECU data with Ktag programmer

Connect then cable 14P600KT02 to the connector of ECU.

Refer to below pin out diagram:

Red color: Pin 15, 16: +12V

Black: Pin 2: GND

Apply solder paste on the red area in ECU

used K-TAG ecu chip tuning tool to read out Mercedes ME9.7 ECU 


Step 3: connect the new ECU and Ktag with the ME9.7 renew cable

Step 4: write the data into the new ECU with KTAG 7.020 




When you get the original ECU data, just use this renew cable to connect to Ktag to write to Mercedes ME9.7 ME 9.7 ECU.  With this cable, you won’t need to open the ECU to write data anymore.


How about the China Mercedes ME9.7 ECU ECM Engine Computer ?

Mercedes ME9.7 ECU ECM Engine Computer ME 9.7 Programming work All Series 237 Engine 4.6L 4633CC V8/5.5L5641CC V8


1. Mercedes ME9.7 ECU Engine Computer can program it online directly.

2. Unlock an used ME9.7 ECM in order to adapt it with SDS, Autologic, etc

3. Can work with KTAG/KTM100 to read and write ECU data for your car new ECU.

4. If work with Mercedes Benz ECU ME9.7/272-273/ Renew Cable , there no need to remove the ecu from the car when programming new ecu.

5. Can work with MB SD C4/C5 to do online programming with SCN code.

6. No need for additional programming, just install the new ECM and the car will start! 


Note: The ME9.7 renew cable CANNOT be connected to original ME9.7 ECU computer. It is confirmed to work with Me 9.7 ecu without issue.