The Mercedes Vito 110 CDI 102hp (W638 - 1999 - 2003) produces 102bhp and 250Nm in standard form. Our Stage 1 ECU tuning file raises output to 145bhp and 320Nm, a gain of 43bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.