The Mercedes E 220 CDI 163hp (W211 - 2006 - 2009) produces 163bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 190bhp and 460Nm, a gain of 27bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.