The Mercedes Sprinter 214/314/414/514 CDI 143hp (2016 - 2018) produces 143bhp and 330Nm in standard form. Our Stage 1 ECU tuning file raises output to 210bhp and 460Nm, a gain of 67bhp and 130Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.