The Mercedes E 320 CDI 224hp (W211 - 2006 - 2009) produces 224bhp and 540Nm in standard form. Our Stage 1 ECU tuning file raises output to 260bhp and 600Nm, a gain of 36bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.