What is the tire specification for the Mercedes GLC43?

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The tire specification for the Mercedes GLC43 is 255/40R21. Tire Introduction: Tires are circular elastic rubber products mounted on various vehicles or machinery to roll on the ground. Typically installed on metal rims, tires support the vehicle body, cushion external impacts, ensure contact with the road surface, and maintain driving performance. Tire Performance: Tires are often used under complex and demanding conditions, enduring various deformations, loads, forces, and temperature extremes during operation. Therefore, they must possess high load-bearing capacity, traction performance, and cushioning ability. Additionally, they require high wear resistance, flexibility, and low rolling resistance with minimal heat generation. Half of the world's rubber consumption is used for tire production, highlighting the significant demand for rubber in tire manufacturing. Tire Specifications: Specifications represent the geometric parameters and physical performance indicators of a tire. Tire specifications are commonly expressed as a set of numbers, where the first number indicates the tire section width and the second number denotes the rim diameter, both measured in inches.