Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard - Green Car Congress
AMG's new M157 5.5 liter twin turbo V8! - paultan.org
Mercedes AMG New Twin-Turbo 5.5 Litre V8 Engine Revealed
Merc SLK55 AMG's new 5.5 V8 | Autocar
Mercedes' AMG division unveils new twin-turbo V8 | CAR Magazine
Road Test: Mercedes S550 makes going fast feel slow
Mercedes-AMG - The Mercedes-AMG M157 5.5L V8 biturbo engine combines performance with efficiency to a previously unknown extent. See below for more information on the Mercedes-AMG M157 from Michael Kübler. “This is
Mercedes Drops New V8 into 2012 SLK55 AMG
Mercedes-AMG E63 (W212) | Spotted | PistonHeads UK