SL/R230: Replacement tires
The tricky part is that it's almost impossible to tell how much life your current sensors have left. Your pressure sensors aren't "on" all the time, they have internal switches that are activated by centrifugal force - they turn on only when the wheels are spinning. And, of course, batteries discharge over time just sitting on a shelf, too. So you can't just say that pressure sensors generally last a certain number of years, or a certain number of miles.
So you basically just have to decide if you want to take a chance that your current sensors still have a fair bit of life in them, or go ahead and replace them while you're getting new tires.


https://www.tirerack.com/tires/CompareTires.jsp
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The R230 is a very different car and has very varied drivers.
My current SL550 came with Honkook Ventus Nobel 2 and I love them, most comfortable and Quietest performance tires I have ever owned but for me this is a Touring car. Those who consider it a Sports car may want to try something different.
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https://www.tirerack.com/tires/CompareTires.jsp
I did not replace the TPMS sensors and the originals are still working fine.




cant go wrong with Michelin tires IMHO.




