The Vauxhall Meriva 1.7 CDTi 110hp ((B) - 2014 ->) produces 110bhp and 280Nm in standard form. Our Stage 1 ECU tuning file raises output to 160bhp and 350Nm, a gain of 50bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.