With only 3,000 cars sold in its 1997-2013 revival, Mercedes’ attempt to offer up a Rolls-Royce and Bentley competitor ended unceremoniously flat. Now the automaker is trying again but setting ...

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 ...