Connect to Mercedes-Benz Delphi CRD3.X ECUs on the bench quickly and safely. This bench harness provides reading and writing with your flasher tool—minimizing the risk of bent pins and saving valuable workshop time.

Compatible with CRD3.E1, CRD3.40, and CRD3.50 units commonly used in OM651-equipped platforms. These ECUs are widely supported in bench/service mode by leading tools, allowing read/write or cloning without opening the ECU.

Why this harness

• Clean, repeatable connections—no guessing pinouts, no bent headers

• Works with popular tools that support CRD3.X bench/service modes

• Built for low-voltage diagnostics and programming tasks

Specifications

• ECU family: Delphi CRD3.X — variants CRD3.E1 / CRD3.40 / CRD3.50

• Use case: Bench identification / read/write (non-OBD)

Compatibility

• Tools: Works with bench/service-mode capable tools that support Delphi CRD3.X (examples include K-TAG, Flex, bFlash, Hexprog, FGTech, and others). Always follow your tool vendor’s connection diagram and protocol notes.

• Note: Some platforms may require vendor-specific unlock steps or OBD options depending on ECU version.

Included

• 1 × Mercedes Delphi CRD3.X bench programming cable harness, labeled (PWR/GND/IGN/CAN-H/CAN-L)