I have a set of Champiro snow tires on our E320 that I bought used. Their snow tires did quite well on tests carried out here in Canada. From what I could find, those are Chinese tires.

That seems like a heck of a low price. Good reviews here.

Personally, I would try and buy tires locally and have them balanced and mounted as well as have an alignment done.

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Graham
85 300D,72 350SL, 98 E320, Outback 2.5