The S 300 CDI BlueEFFICIENCY, with the OM 651 diesel engine, comes likley in late 2010.
The OM 651 will be the first 4-cylinder engine in the S-Class ever and the first 4-cylinder in the Merccedes-Benz upper class. The S 300 CDI BE gets 224 hp and the 7G-Tronic automatic transmission, which is specially designed for minimal fuel consumption.
The CO2 emission and the fuel consumption are reduced by 4-5 grams or up to 0.2 liters. With his new start-stop automatic has the S300 CDI BlueEFFICIENCY a fuel consumption of approx 5.9 liters per 100 km (NEDC).
Pircture: Daimler AG