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So I have the stock 18" wheels on my 2008 C63, I was considering getting 245/40/18 tires for the front and 275/35/18 for the rear tires. Are the rears going to be too wide and surpass the fender line? Should I go 265/35/18 just to be safe for the rears? Will be lowered on coilovers soon. Any help is appreciated, thanks.
Yea, Im looking to get better traction and grip on the rears.. These stock tires are too narrow as well.. Might just go 265s then, I dont want to mess with the sidewalls so I'll leave the front at 40 and the rears at 35...
you can do 275 on rear 18 OEM wheels with OEM suspension. That is what I had on mine before swapping for the CF10.
I would say even lowered you will have no problem with 275 and 18 stock wheels.
Since you will be lowered soon on coilovers this is even better to adjust your height to your liking.
So I would suggest you to get 275. Don't settle for 265.