MONTVALE, N.J., Jan. 5, 2015 /PRNewswire/ -- Mercedes-Benz today reported record-breaking 2014 sales of 330,391, up 5.7% from the 312,534 units sold in 2013. Annual Sprinter sales increased 18% to 25,745, combining with 10,453 units at smart, up 12.8%, for a best-ever year-to-date...