W223 - 2020 ->
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Order This File Ask a QuestionThe Mercedes S 400d (3.0D) 330hp (W223 - 2020 ->) produces 330bhp and 700Nm in standard form. Our Stage 1 ECU tuning file raises output to 380bhp and 820Nm, a gain of 50bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.