Looking for 19" wheels for 2007 ML500

The car is in Russia and I am in the US. My brother-in-law wants me to get him a set of 19" wheels for a friends 2007, Mercedes ML500, the VIN is:WDC1641751A229509. I am not going to the dealer because the wheels cost thousands of $. What size wheels does theis rig take (I got the 19" part)?

Have you tried looking at tirerack.com?

Just search the internet, there are tons of sites selling cheap wheels. You can probably find AMG copies for under $500 each.