I just put a new set of 4 Michelins on the W210 and it's like a new car. Funny thing is I replaced with almost the identical tire (same as Symmetry but with new Primacy name) but the handling is so much more responsive. The old tires were about 4 years old, had about 45,000 miles on them, and were evenly worn. I wonder if the sidewalls can deteriorate enough in 4 years that I can tell the difference?

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280