The Mercedes A 45 AMG (2.0T) 381hp (W176 - 2015 - 2018) produces 381bhp and 475Nm in standard form. Our Stage 1 ECU tuning file raises output to 400bhp and 520Nm, a gain of 19bhp and 45Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.