Delphi CRD3 Ecu is widely used in Mercedes Benz as well as it is available in some of Infiniti cars, HexProg can read and write this ECU in both Factory Mode ( On Bench) and Boot Mode. You can clone or modify the CRD3 in both modes using Hexprog Ecu Cloning Tool.
As HexProg supports this ECU in factory mode it is a simple procedure to clone CRD3 ECU by making both original and donor ECU data backup and restoring that original data to the donor ECU. As this ECU doesn’t have the security information in the OTP area, this ECU will be cloned straight forward.
There are different versions of CRD3 ECUs present in Mercedes and Inifiniti:
- CRD3, CRD3.7, and CRD3s2 equiped with Infinion Tricore TC1797.
- CRD3.e1, CRD3.f1, CRD3p.b0, CRD3p.c0, CRD3p.d1, and CRD3p.g0 equiped with Infinion Tricore TC1793.
All these versions are supported in HexProg. Please check the below video.
Other services supported
Furthermore, beyond its comprehensive capabilities for reading, writing, backup, restore, and cloning of the CRD3 ECU family, the HexProg II ECU Chip Tuning Tool and ECU Programming Tool provides advanced functions that allow users to modify the internal flash memory according to their specific requirements.
Our online service platform offers a wide range of professional solutions dedicated to CRD3 ECUs. Users can conveniently access these services through their accounts at Hexprog Online Services, where available options and service fees are clearly displayed. In addition, performance enhancements can be achieved, and custom tuning solutions using third-party calibration software.
HexProg II Tuner software simplifies the process of writing modified flash files to the ECU while automatically performing checksum correction during programming. This ensures maximum data integrity, reliability, and compatibility, providing users with a professional tuning experience that delivers optimized engine performance and dependable operation.
It is strongly recommended to create complete backups of the ECU before performing any modifications, tuning operations, or cloning procedures. Maintaining an original backup allows the ECU to be restored to its factory condition whenever required and serves as an important safeguard for future diagnostics, recovery, and vehicle safety.




