The Mercedes GLB 220d (2.0D) 190hp (2019 ->) produces 190bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 230bhp and 480Nm, a gain of 40bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.