The plant has turned out more than 300,000 cars since it set up operations in 2012, Geier said adding that a third shift was introduced at the plant last spring, while headcount rose to 4,000 from 3,200 during the year.

Ekkehard Philipp, CFO of Mercedes-Benz Manufacturing Hungary, said revenue increased to €2.8 bln in 2014 from €2.1 bln in the previous year.