W140 has 18x8 / 18x9 .. Whats the tire size?




What is the correct size of tire to use on this?
I was thinking of using
255/45/18 Front
265/45/18 Rear
It currently has
245/40/18 Front
265/35/18 Rear
The current tires seem to skinny and ride terribly. What do you guys think?



