The Mercedes GLA 220d (2.2D) 177hp (X156 - 2017 - 2019) produces 177bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 210bhp and 420Nm, a gain of 33bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.