The Mercedes Citan 108 CDI 80hp (2019 - 2020) produces 80bhp and 210Nm in standard form. Our Stage 1 ECU tuning file raises output to 120bhp and 270Nm, a gain of 40bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.