I had great success with Dunlop Graspics on my 560 SEL (the A-2's if i recall correctly). Currently running Dunlop Wintersports on the C230--has been very good through the 75" of snow so far this season, plus a few freezing rains. I don't think i'd see 30% to 40% improvement for 30% to 40% more money.
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Earl McLain
'02 C230 Kompressor
'89 560 SEL "Frau BlueCar" (retired April 2004)
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