ML-Class 320CDI — EDC16CP31 393880 Bosch — ECU Firmware CR4 Stage 1 

Change log

  • v1.0 — 2025-06-15
    • Initial Stage 1 calibration for Bosch EDC16CP31 (SW 393880)
    • Torque model revised for the 3.0L V6 engine to improve cruising and towing performance
    • Boost and fuel maps optimized for a smooth and powerful driving experience
    • Checksum integrity verified​
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Release notes

  • v1.0 — 2025-06-15
    • Package includes Original + Stage 1 binaries
    • Confirm software version 393880 before flashing
    • Compatible with tools supporting Bosch EDC16CP31 controllers
    • Designed for stock engine and exhaust components
    • Intended solely for off-road or motorsport applications​
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