If you're like me and have 17 inch AMG wheels, 225 series Z-rated Michelins at $190 a pop, then $12.50 a tire is worth it IMO. Plus, at Discount tire, where I buy my tires (can you say FREE rotate and balance every 3k??) they will typically give you a price break on the tires if you buy the waranty. Think about it. These are commissioned salespeople. Help them out by buying a little peace of mind, and it will probably help YOU out again on the bottom line.

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former: 83 300D, 97 C230, 93 400E

current: 08 C300 Luxury , 92 500SL