It’s going to be based on the current 4.0-liter twin-turbo V8 architecture, but the flat-plane crank ... compact size will allow Mercedes to fit the V-8 into cars that may not have been ...

That said, Mercedes will use speakers to feed back in some of that lower rumble customers loved about the old AMG V8s. “To compensate for the higher-pitched, more aggressive sound of the flat ...