The Mercedes A 220 - 184hp (W176 - 2015 - 2018) produces 184bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 250bhp and 400Nm, a gain of 66bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.