The Mercedes S 650 - 630hp (W222 - 2017 - 2019) produces 630bhp and 1000Nm in standard form. Our Stage 1 ECU tuning file raises output to 690bhp and 1100Nm, a gain of 60bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.