The Mercedes SL 600 V12 500hp (R230 - 2001 - 2011) produces 500bhp and 800Nm in standard form. Our Stage 1 ECU tuning file raises output to 578bhp and 910Nm, a gain of 78bhp and 110Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.