The Mercedes C 160 (1600cc) - 129hp (W205 - 2018 - 2021) produces 129bhp and 210Nm in standard form. Our Stage 1 ECU tuning file raises output to 175bhp and 310Nm, a gain of 46bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.