Test Overview:
ECU Model: Bosch EDC17C42, compatible with MB and Renault vehicles.
Operations: Reading, writing, and checksum verification.
Connection Mode: OBD (On-Board Diagnostics).
Results: All operations successful (R/W/Checksum OK).

ECU Programmer to use: TagFlash 

Visual Demonstrations:
The first image shows the TagFlash connected to the car via the OBD port, indicating a proper setup for the operations.

The second image confirms that the TagFlash has successfully completed the writing operation on the Bosch EDC17C42, achieving a 100% success rate.

Product Availability:
For those interested in acquiring a TagFlash, you can find more information and purchase options here: https://www.ecuhelpshop.com/products/tagflash-ecu-programmer.html

Conclusion:
The TagFlash proves to be an effective tool for programming ECU tasks such as reading, writing, and checksum on Bosch EDC17C42 for MB and Renault vehicles. Its successful connection and operation via OBD highlight its reliability and ease of use, making it a valuable asset for automotive technicians and enthusiasts looking to perform precise ECU programming and diagnostics.