The country where I'm working is rich. The per capita income is almost $150,000--the world's highest. (Some statistics fail to exclude guest-workers, who outnumber natives by as much as 4:1.)
Tangible evidence? In the States, I've only seen one Mercedes-Benz SLR AMG. I've spied dozens of 'um here:
I've even run across at least one Mercedes-Benz SLR McLaren--which was moving too fast to get a pic.