Daimler's (MBGA.F -1.05%) Mercedes-Benz is one of the best brands in the global luxury-car business – but recently, Mercedes' sales have stalled in several important markets. While some blame tired models and too-daring styling, the truth is that Mercedes has some of the fiercest competitors in the business – and keeping up has sometimes proven to be a challenge.

But Mercedes-Benz sales were up last month, and there are some signs that the three-pointed star may be shining a little brighter. In this video, Fool.com contributor John Rosevear looks at Mercedes' latest global sales numbers – and at whether this great old brand is finally shifting into high gear.