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I'm new to MBWorld, this is my first post. But what a wonderful site, love it.
Background: I have a 2016 G63 with some sort of Weistec package. It includes turbochargers, exhaust, and methanol injection. Kind of ridiculous if you ask me. I bought this thing sight unseen off Bring a Trailer and didn't even know it had the Weistec, not that I'd even know what that was at the time.
Anyway, to my question: there's a small green LED below the tach that goes on and off randomly every few second. I cannot relate it to any variable like rpm, speed, or engine condition.