The Mercedes SLC 180 (1.6T) 156hp (2016 ->) produces 156bhp and 250Nm in standard form. Our Stage 1 ECU tuning file raises output to 175bhp and 310Nm, a gain of 19bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.