History of the diesel car featured an aluminium block, DOHC chain driven valvetrain, common rail direct injection and variable geometry turbocharger. In Spring 2005, Mercedes-Benz unveiled their first application of a mass-produced aluminum block diesel engine for passenger vehicles and commercial use. While aluminum is traditionally considered of inferior strength and temperature resistance to withstand diesel applications, Mercedes engineers made extensive use of CAD/CAM design to arrive at an aluminum block that would meet with Mercedes' testing and reliability standards. First use was in 2006 model-year vehicles in the E-Class sedan and ML-class and GL-class SUVs. Similar in weight () to the five-cylinder it replaced,
Henan Diesel Engine Industry Company Henan Diesel Engine Industry Company Henan Diesel Engine Industry Co., Ltd (herein abbreviated to HND) is a member of China Shipbuilding Industry Corporation (CSIC) and the research and manufacturing base of high and medium-speed, high power diesel engines in China, specialized in manufacturing, sale and service of diesel engines, gas engines, diesel generating sets, gas generating sets and emergency/fire pump sets. HND, built in 1958, specialized in manufacturing L12-180 and 42-160 diesel engines at the beginning. It introduced the licensed technology from DEUTZ-MWM Company, Germany in 1985 and has produced series MWM234 diesel engines in V6, V8 and V12 and