W209 - 2003 - 2009
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Order This File Ask a QuestionThe Mercedes CLK CLK500 387hp (W209 - 2003 - 2009) produces 387bhp and 530Nm in standard form. Our Stage 1 ECU tuning file raises output to 407bhp and 550Nm, a gain of 20bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.