Socalsteve

Hi all,

When I bought my 2015 ( non AMG ) sedan, I swapped out the wheels for the AMG version. They came with non run flat tires. It’s time to replace the tires and I want to go to run flats. When I go to Tire Rack, the dimensions of the AMG tires ( they don’t sell run flats for the AMG version ) are different than the non AMG run flat tires.

AMG:
Front: 255/40ZR20
Rear: 285/35ZR20

Non AMG run flats:
Front: 245/40R20
Rear:275/35R20

Can I run the non AMG run flats on the AMG rims?

I know that the ride may be a little harsher and a bit noisier, I’m ok with that.

As always, thank you all in advance!

Steve

cmginc

In theory it is possible, but it will change your speedometer as well.

SSIIICK

Why do you want to get run-flats? In my opinion, they truly suck. Ride quality of non run-flats is much better! Pickup a set of Michelin P4S tires and thank me later.

blkfxstc

Yes, you can use those tires sizes on the AMG wheels, 10mm will not make a difference. Your speedo will be slightly different.

If you do change your mind on the run flats, I recommend the P4S as well, much better than the stock tire.

Socalsteve

‘The non-AMG version doesn’t not come with any provision for a spare tire. With the crappy roads of Los Angeles and the fact that I never drive the car “ spirited “ I’d rather be safe than sorry at this point in the game. Thank you for your suggestion!

blkfxstc

The AMG cars do not have a spare tire either, they come with a mini compressor with sealant to use if needed, if you want to consider that as an option.