The Mercedes Viano 3.0 CDI V6 224hp (2010 ->) produces 224bhp and 440Nm in standard form. Our Stage 1 ECU tuning file raises output to 265bhp and 580Nm, a gain of 41bhp and 140Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.