Mercedes-Benz is one of the oldest, most exalted automakers, with a prestigious history of producing a profusion of top-notch automobiles spanning over a century. However, not all vehicles showboating the Mercedes-Benz insignia exhibit the traits of quality associated with the three-pointed star. Now and then, Mercedes has launched some cars that were seriously flawed and turned out to be blemishes in the illustrious saga of Mercedes-Benz. These unreliable, undesirable cars are best avoided, and today we have cataloged 10 of the worst anomalies among them.