The Mercedes-Benz OM642 engine is a 3.0 liter (2,987 cc) 182.3 cubic inch, 24-valve 72° V6 diesel motor produced from 2005 - on. The OM642 engine features an aluminum block and heads with common rail direct injection by piezo injectors each with eight injection nozzles, a variable geometry turbocharger (VGT or variable nozzle turbine, VNT
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