Mercedes-Benz M113 engine


The Mercedes-Benz M113 engine is a gasoline-fueled, spark-ignition internal-combustion V8 automobile engine family used in the 2000s. It is based on the similar M112 V6 introduced in 1998, then later phased out in 2007 for the M156 AMG engine and the M273 engine.
The standard Mercedes-Benz M113s were built in Untertürkheim, Germany, while the AMG versions were assembled at AMG's Affalterbach, Germany plant. M113s have aluminium engine blocks and aluminium SOHC cylinder heads with two spark plugs per cylinder. The cylinders are lined with silicon/aluminium, and the heads have 3 valves per cylinder. Other features include Sequential fuel injection, fracture-split forged steel connecting rods, a one-piece cast camshaft, and a magnesium intake manifold.

M113 4.3

The M113 E43 is a version. Bore and stroke is. Power output is at 5,750 rpm with of torque at 3,000 rpm. Output for the variant used in the C43 AMG is uprated to at 5,850 rpm and at 3,250 rpm.
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The M113 5.0 is a version with a bore and stroke of. Power output is at 5,600 rpm with of torque at 2,700 to 4,250 rpm. Active Cylinder Control variable displacement technology is optional.
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The M113 5.5 is a 5439 cc version with the same bore as the M113 5.0 but with a longer stroke developed by Mercedes-AMG. These cars were the first to carry the 55 AMG title. Power output is at 5,500 rpm with of torque at 2,800-5,400 rpm. Many popular tuners such as Kleemann USA, Amg Affalterbach developed supercharger systems for this model, mirroring the later M113K design. at 5,750 rpm and at 3,750 rpm of torque in the SLK55 AMG Black Series.
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The M113 5.5 Kompressor is a supercharged and twin-intercooled version of the 5439 cc M113. It is commonly referred to as "M113K" - where 'K' stands for Kompressor. Power output varies depending on year and model, from for the E55 AMG at 6,100 rpm to in the 2004-2006 CLK DTM AMG, with of torque at 2,750-4,000 rpm.
Many Mercedes-AMG enthusiasts consider the M113K was the last of the great Kompressor engines used by Mercedes-AMG excluding the Mercedes SLR McLaren. Mercedes-AMG replaced this model with their new 6.3 L naturally aspirated V8, making the transition from 55 AMG to the 63 AMG. Although the new 6.3 L M156 AMG motor produced greater peak HP, many enthusiasts were disappointed by the lack of torque present in the new N/A design.
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The M155 SLR is a version of the supercharged 5.5 liters M113 specifically for the Mercedes-Benz SLR McLaren. Power output is at 6,500 rpm with of torque at 3,250 rpm. An uprated version with at 6,500 rpm and of torque at 4,000 rpm is featured in the 722 edition.
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