The Mercedes C 180 Kompressor (1600cc) 156hp (W204 - 2007 - 2010) produces 156bhp and 230Nm in standard form. Our Stage 1 ECU tuning file raises output to 171bhp and 250Nm, a gain of 15bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.