The Mercedes SLK 230 K 193hp (R170 - 2000 - 2004) produces 193bhp and 280Nm in standard form. Our Stage 1 ECU tuning file raises output to 205bhp and 295Nm, a gain of 12bhp and 15Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.