Maserati, McLaren, and Mercedes-Benz are all luxury sports cars that start with the letter M. These cars are known for their sleek designs, powerful engines, and luxurious interiors. Maserati is an Italian brand that has been producing high-performance cars since 1914. The Maserati GranTurismo and Quattroporte are two of the most popular models. McLaren is a British brand that has been producing race-winning cars since the 1960s. The McLaren 720S and 570S are two of the most popular models. Mercedes-Benz is a German brand that has been producing luxury cars since the late 1800s. The Mercedes-AMG GT and S-Class are two of the most popular models. All of these cars are expensive and luxurious, and they offer a unique driving experience.