The Mercedes CLA 180d (1.5D) 116hp (C118 - 2019 ->) produces 116bhp and 260Nm in standard form. Our Stage 1 ECU tuning file raises output to 145bhp and 310Nm, a gain of 29bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.