Why is the maintenance of Mercedes-Benz so expensive? Especially changing parts!

Mercedes-Benz is a luxury car, and its maintenance will definitely follow high standards. The actual car is a relatively sophisticated machine. Every time you start, many precision mechanical products and electronic products are working at the same time, especially high-end cars. All kinds of materials used for maintenance are more demanding than ordinary family cars, so they are more expensive to synthesize. I wonder if you are satisfied with my answer? Because I worked in a luxury car repair shop for several years, I know a lot about it now in Zhimingdong Luxury Car Service Center in Hunan.