R230 - 2001 - 2011
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Order This File Ask a QuestionThe Mercedes SL 55 AMG 517hp (R230 - 2001 - 2011) produces 517bhp and 700Nm in standard form. Our Stage 1 ECU tuning file raises output to 540bhp and 820Nm, a gain of 23bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.