The Mercedes A 220 CDI 163hp (W176 - 2012 - 2015) produces 163bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 420Nm, a gain of 37bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.