The Mercedes Vito 111 CDI 116hp (W639 - 2003 - 2010) produces 116bhp and 290Nm in standard form. Our Stage 1 ECU tuning file raises output to 180bhp and 400Nm, a gain of 64bhp and 110Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.