2015 - 2018
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Order This File Ask a QuestionThe Mercedes GLS 63 AMG 585hp (2015 - 2018) produces 585bhp and 760Nm in standard form. Our Stage 1 ECU tuning file raises output to 635bhp and 935Nm, a gain of 50bhp and 175Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.