http://insideevs.com/construction-begins-on-battery-factory-for-upcoming-mercedes-benz-eq/

“By 2025, our passenger car product portfolio will containmore than ten fully electric vehicles. At the same time, we are continuously pushing our plug-in-hybrid offensive and the introduction of 48-volt-systems

In the future, Kamenz will produce lithium-ion batteries for all electrified vehicles of Mercedes-Benz and smart – including plug-in hybrids as well as fully electric vehicles. On top of that, Kamenz will produce batteries for stationary Mercedes-Benz energy storage units as well as 48-volt-systems. The 48-volt-system will gradually be integrated into different model ranges.”