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,
London to Brighton Veteran Car Run country and in the town and an escort had been required to walk ahead of the vehicle. The 1865 act had required the escort to carry a red flag at a distance of . The run was also the first meet of the Motor Car Club, of which Lawson was President. The event started with a breakfast at the Charing Cross Hotel, which included the symbolic tearing in two by Lord Winchelsea of a red flag. The competitors gathered outside the Metropole Hotel, with the cars accompanied by a "flying escort" – estimated by one witness as "probably 10,000" –