For the year, BMW brand sales were up 13.5 percent to 281,460 vehicles
Compared to MB:
"The Mercedes-Benz model line alone also recorded a record year with sales of 274,134 for the year, up 11.8%."
MBUSA press release (incl. sales chart by Class): http://www.prnewswire.com/news-relea...185567602.html
BMWNA December 2012 sales chart by Series: https://www.press.bmwgroup.com/press...hmentId=205760
December sales were absolutely crucial:
37,399 (BMW) vs. 28,145 (MB). An advantage of 9,254 vehicles for BMW.