About 9050 yuan. About 700,000 Mercedes-Benz auto insurance costs about 9,050 yuan, and the specific insurance items include: the compulsory insurance is about one year in 950 yuan; The third party liability insurance is about 1560 yuan per year; Car damage insurance is 6300 yuan per year; Driving insurance is around 240 yuan every year. The specific costs will vary according to individual circumstances, insurance companies and insurance projects. And the insurance premium payment in the first year and the following years may be different. If the owner has a good driving record and no accident record, the premium will drop in the second year.