The Mercedes Citan 108 CDI 75hp (2013 - 2018) produces 75bhp and 180Nm in standard form. Our Stage 1 ECU tuning file raises output to 115bhp and 260Nm, a gain of 40bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.