The Mercedes GLE 580 4Matic (4.0T) 490hp (2019 ->) produces 490bhp and 700Nm in standard form. Our Stage 1 ECU tuning file raises output to 570bhp and 820Nm, a gain of 80bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.