If you question the quality of Mercedes-Benz, you don't deserve to have one.
Serious though, when you look at all the other brands, it would appear, everybody has problems of their own.
In the quest to out-do each other with gadgets, often times the very basics are overlooked.
Case in point, automatic transmissions were almost indestructable, until electronics were added. Today we see transmissions self-destructing because of some faulty " program " .
I see & hear horror stories just about every day, regardless of what make the vehicle is.