Widest Tires You Can Run on C63S Sedan? Let's Hear it!
Without rolling and pulling the rear fender.
Tires are Continental SportContact 6.
Front: 19x9.5 +30ET, 265/35ZR19
Rear: 20x11 +43ET, 295/30ZR20
Tread width matches the rims. In the front this 265 has 9.5” tread width and the rear tire has a tread width of 11.1”. This setup suits the car well. I might decide to cut and weld the rear fender to go wider.
If anyone wants to attempt this be aware that the fender needs to be pulled. I manipulated the fender with fender pliers. Bending and stretching where the bumper cover attaches is important. I have extensive training, I watched a few random YouTube videos and the training videos from Eastwood.

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