The Mercedes CLA 250 CGi Sport 218hp (C117 - 2016 - 2019) produces 218bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 250bhp and 400Nm, a gain of 32bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.