The Mercedes B 150 - 95hp (W245 - 2005 - 2011) produces 95bhp and 140Nm in standard form. Our Stage 1 ECU tuning file raises output to 105bhp and 155Nm, a gain of 10bhp and 15Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.