Sales have been driven by demand for the E-class sedan, coupe and convertible and the carmaker's compact models, the company said. In mid-March, Mercedes' GLA crossover joined the CLA and B- and A-class models in the automaker's compact lineup, helping to lift its sales in the segment by 27 percent last month.
"We are continuing the success story of the record year 2013 with additional new products and have posted the best-ever first-quarter sales in the company's history,” Ola Kaellenius, Mercedes sales chief, said in the statement.
Mercedes made gains in all its major markets last month, with deliveries in China rising 34 percent to 24,937 and sales in Mercedes’ No. 1 market, the United States, rising 11 percent to 27,401. In Europe, Mercedes' gains reflected an overall rebound in the market as brand sales rose 8 percent to 76,587, led by a gain of 1 percent in Germany, where sales rose to 25,544.
Sales of Daimler's Smart brand dropped 9 percent last month to 9,555. In total, Mercedes-Benz Cars, which includes Smart, sold 168,078 vehicles last month, a rise of 12 percent. Quarterly sales rose 14 percent to 397,708.
Daimler CEO Dieter Zetsche, who has a goal for Mercedes to pass Audi and BMW and become the world's biggest maker of luxury cars by 2020, is rolling out 30 new vehicles by the end of the decade, a dozen of which will have no predecessor.
BMW and Audi have yet to release March sales data.
Reuters and Bloomberg contributed to this report