What does M+S on car tires mean?

[Josh]

Tire M+S, the letter M is the abbreviation of the English Mud-Terrain, meaning "mud"; S is the abbreviation of the English Snow, meaning "snow". The following is the related introduction of tire M+S: 1. The M+S mark on the tire means that this tire can be driven on snow and muddy roads. 2. Tires are often used under complex and harsh conditions. They are subjected to various deformations, loads, forces, and high and low temperature effects during driving. Therefore, they must have high load-bearing performance, traction performance, and cushioning performance. It is required to have high wear resistance and flex resistance, as well as low rolling resistance and heat generation.