Quote:
Originally Posted by malba2366
M+S is basically meaningless...it is labeled as such at the manufacturers discretion.
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In a sense you are sort of right. However, there is a guideline in order to mark the tire as M+S
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"When a tire has M+S on it, that means that it meets the Rubber Manufacturers Association (RMA) guidelines for a mud and snow tire. Similar markings for this include MS, M&S, and M/S. In order for a tire to receive the Mud and Snow designation, it must meet specific RMA geometric requirements."