The Mercedes E 220 CDI 163hp (W212 - 2009 - 2013) produces 163bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 205bhp and 500Nm, a gain of 42bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.