W220 - 1997 - 2002
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Order This File Ask a QuestionThe Mercedes S 400 CDI 250hp (W220 - 1997 - 2002) produces 250bhp and 560Nm in standard form. Our Stage 1 ECU tuning file raises output to 290bhp and 630Nm, a gain of 40bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.