High Quality Content by WIKIPEDIA articles! The Mercedes-Benz M112 engine is a V6 automobile piston engine family used in the 2000s. Introduced in 1998, it was the first V6 engine ever built by Mercedes. A short time later, the related M113 V8 was introduced. All are built in Bad Cannstatt, Germany except the supercharged AMG E32 AMG, which is assembled in Affalterbach, Germany. All M112 engines have aluminum engine blocks with a 90° vee angle with silicon/aluminum lined cylinders. The aluminum SOHC cylinder heads have 3 valves per cylinder. All use SFI fuel injection with two spark plugs per cylinder. All have forged steel connecting rods, a one-piece cast camshaft, iron-coated aluminum pistons and a magnesium intake manifold. To deal with the vibration problems of a 90 degree V6, a balancer shaft was installed in the engine block between the cylinder banks. This essentially eliminated first and second order vibration problems. A dual-length Variable Length Intake Manifold is fitted to optimise engine flexibility.

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