The Mercedes B 250 (2.0T) 224hp (W247 - 2018 - 2022) produces 224bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 250bhp and 400Nm, a gain of 26bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.