The Mercedes Citan 111 CDI 116hp (2019 - 2020) produces 116bhp and 260Nm in standard form. Our Stage 1 ECU tuning file raises output to 140bhp and 310Nm, a gain of 24bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.