The Mercedes-Benz M113 (and similar M155) engine is a gasoline-fueled, 4-stroke, spark-ignition internal-combustion V8 automobile piston engine family used in the 2000s (decade). It is based on the similar M112 V6 introduced in 1998.
The standard Mercedes-Benz M113s are built in Untertürkheim, Germany, while the AMG versions are assembled at AMG's Affalterbach, Germany plant. M113s have aluminum engine blocks and aluminum SOHC cylinder heads with two spark plugs per cylinder. The cylinders are lined with silicon/aluminum, and the heads have 3 valves per cylinder. Other features include SFI fuel injection, fracture-split forged steel connecting rods, a one-piece cast camshaft, and a magnesium intake manifold.The M113 5.4L supercharged is a supercharged and twin-intercooled version of the 5.4 L (5439 cc) M113 5.4. It is commonly referred to as "M113K" - where 'K' stands for Kompressor (supercharger). Output varies depending on year and model, from 469 hp for the E55 AMG at 6100 rpm to 574 hp in the 2004-2006 CLK DTM AMG, with 516 ft·lb(700 Nm) to 531 ft·lb(720 Nm) of torque at 2750-4000 rpm
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