BlueDIRECT 
BlueDIRECT is the third generation of the Mercedes-Benz gasoline direct injection technology, equipped with this technology engine debut in 2010, now the technology has been more widely used in the new Mercedes-Benz V6, the V8 and inline four-cylinder engine, they were served in the Mercedes-Benz S-class, E class and the new B-class and the new Mercedes-Benz ML models.
The core of this technology is capable of four consecutive main discharge in a millisecond multiple ignition technology (Multi-spark ignition) and piezoelectric fuel injector can be injected within a maximum of five stroke mouth, coupled with the design optimization of the vortex cylinder, brings better mixing and gas mixing effect more complete combustion, the combustion efficiency of the fuel is further improved, while achieving the higher emissions standards.