First I would like to say that I love this vehicle. However, I am having one tremendous problem. My tires are leaking air randomly, about every 2 to 3 weeks, to the point of being flat. I replaced the tires 18 months ago but I am still having this problem even more often. I've taken the car to the tire dealer at least half a dozen times and he has sealed the rims but told me the chrome on the AMG rims is bubbling inside the bead rim and is causing the leaks. I don't know if he is just trying to sell me new rims or what the deal is. Anyone else having this problem?