Original file for Ecu File – CR30 203WM-110KW-EU4OP ECU Engine Control Unit Original ECU Flash Backup

OEM CR30 PCM/ECM unit designed to assist professional diagnostics and repairs. Bench-tested on industry-standard tools; ready for bench or OBD programming. Tested, verified, and ready for programming. IDs for matching — Hardware: 203WM-110KW-EU4OP. Listing reference: MB C Bosch EDC16C31 CR30-646-C6D5-203WM-110kW-EU4OP-ME-1407×052 Original ECU file for the MB C 2005. Ecuflashfiles.com is leading in the chip tuning and file service industry. Our tuning file service includes chiptuning that has been tested on a 4×4 dyno for almost every brand,. For a direct fit, match hardware and software numbers. This listing includes only the flash file. Complete ECU backups are available on request. Use appropriate tooling for read/write operations and ensure stable bench power during programming. Compatible with mainstream flashing suites and standard bench setups.