(April 3, 2010) Lexus -- the leading luxury-auto brand in the United States for the past decade -- used a 42 percent gain in March to inch ahead of rival Mercedes-Benz after the first quarter, according to Bloomberg News.

Lexus sold 20,219 vehicles last month and 49,523 for the year's first three months. Mercedes reported sales of 20,023 cars and SUVs for March, a 28 percent increase from a year earlier, and 49,229 for the quarter. The Mercedes tallies exclude Sprinter vans formerly sold by Dodge -- 1,337 of them in the first quarter.

Mercedes, helped by its revamped E-class sedan, had moved ahead of Lexus and BMW through 2010's first two months. The BMW brand posted a 3 percent increase in March to 18,060 and finished the quarter at 46,323.