H247 - 2020 ->
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Order This File Ask a QuestionThe Mercedes GLA 35 AMG 306hp (H247 - 2020 ->) produces 306bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 345bhp and 480Nm, a gain of 39bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.