...That should convince you not to buy foreign oil products. We have these exclusive photos of Prince Alwaleed's (from Saudi Arabia) Diamond Covered Mercedes. The car rings in at around $4.8 million dollars, and apparently, costs you $1,ooo just to touch. Instead of "BEEP! BEEP!" The horn sends out a "BLING! BLING!" (okay I totally made that last part up but think that would be cool). More pics below...