The Mercedes C 200 Kompressor (1800cc) 184hp (W204 - 2007 - 2010) produces 184bhp and 250Nm in standard form. Our Stage 1 ECU tuning file raises output to 204bhp and 270Nm, a gain of 20bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.