Autotuner Mercedes W213 ECU chip tuning review from a professional tuners: Vehicle 2017 Mercedes-Benz E220d AMG Line 2.0 CDI OM654 9G-Tronic Automatic 194 BHP Bosch MD1CP001 (SPC5777M) This is Mercedes’ Bosch MD1CP001, built around the SPC5777M TriCore processor. One of the most heavily protected ECUs fitted to the W213 E-Class, designed specifically to prevent unauthorised calibration changes. Until recently, if you wanted to modify one of these, it meant removing the ECU, opening it, wiring directly to the PCB and carrying out a full boot operation. He took it a step further. This 2017 Mercedes-Benz E220d AMG Line 9G-Tronic arrived requiring multiple software solutions after repeated DPF regeneration issues. Rather than replacing expensive emissions components that had already reached the end of their service life, the owner opted for a complete software calibration package designed around reliability and economy. But before any calibration could even begin...