2019 - 2023
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Order This File Ask a QuestionThe Mercedes GLC 43 AMG 390hp (2019 - 2023) produces 390bhp and 520Nm in standard form. Our Stage 1 ECU tuning file raises output to 420bhp and 620Nm, a gain of 30bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.