The Mercedes C 200 (1500cc) - 184hp (W205 - 2018 - 2021) produces 184bhp and 280Nm in standard form. Our Stage 1 ECU tuning file raises output to 220bhp and 350Nm, a gain of 36bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.