The Mercedes GLE 350 (2.0T) 258hp (2019 ->) produces 258bhp and 370Nm in standard form. Our Stage 1 ECU tuning file raises output to 275bhp and 450Nm, a gain of 17bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.