The Mercedes E 200 CDI 122hp (W211 - 2002 - 2006) produces 122bhp and 270Nm in standard form. Our Stage 1 ECU tuning file raises output to 170bhp and 370Nm, a gain of 48bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.