The Mercedes SLK 32 AMG 354hp (R170 - 2000 - 2004) produces 354bhp and 450Nm in standard form. Our Stage 1 ECU tuning file raises output to 375bhp and 475Nm, a gain of 21bhp and 25Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.