The Mercedes Vito 108 CDI 82hp (W638 - 1999 - 2003) produces 82bhp and 200Nm in standard form. Our Stage 1 ECU tuning file raises output to 145bhp and 310Nm, a gain of 63bhp and 110Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.