Alright, so let's dive into the world of magnificent motors starting with 'M'. First in the queue is Mercedes-Benz, a brand that's as luxurious as me on a Friday night! Then, we have Mazda, the Japanese stunner that's as reliable as your mom's spaghetti. Let's not forget Maserati, the Italian stallion that's as sleek as my dance moves. We have Mini, a compact yet mighty brand, just like me at a buffet! Last but not least, McLaren, the British beast that's as fast as rumors in a small town. So folks, there you have it - five of the most meritorious 'M' car brands that will make your heart rev faster than their engines!