The Mercedes Vito 113 CDI 136hp (W639 - 2010 - 2014) produces 136bhp and 310Nm in standard form. Our Stage 1 ECU tuning file raises output to 190bhp and 420Nm, a gain of 54bhp and 110Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.