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3PMSF vs M+S Tire Markings

The three-peak mountain snowflake and M+S markings communicate different things. Check the exact tire SKU and local driving conditions.

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Read the sidewall

Look for the mountain-and-snowflake icon on the particular product. A product line may contain size variants with different markings.

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Keep the full tire requirement

Severe-snow capability does not replace a vehicle’s load, speed, wheel or tire-class requirement. Compare those before deciding on a winter or all-weather setup.

Put the answer to work

Start with the actual vehicle label or installed component. Then use our vehicle directory and comparison tools to narrow the research. Any missing condition should be checked with the manufacturer or a qualified installer.

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Official and manufacturer references

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