The Mercedes E 200 CDI 136hp (W211 - 2006 - 2009) produces 136bhp and 340Nm in standard form. Our Stage 1 ECU tuning file raises output to 190bhp and 460Nm, a gain of 54bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.