One Lap of the Web: Mercedes-Benz SLC rendered, Google Glass for the Tesla S and a rusty Datsun 280ZX

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Last month we brought you some intriguing spy photos of a Porsche 911-fighting Mercedes-Benz coupe -- possibly to be called the SLC, or even the next SLS AMG (it's all a bit unclear at this point) -- but layers of camouflage made it a bit tough to see what the car will look like.

W.W.J.D. (What Would Jay-Z Drive?)

Since Maybach got the axe last month, there has been a hole 6.2 meters long in the hearts of rappers and ball players everywhere. Florida rapper Rick Ross, whose label name is Maybach Music, may even have to find another marque to follow. Shawn Carter, aka Jay-Z, who recorded several songs singing the praises of Maybach, will have to find a new ride in which to be chauffeured.

Glass’s Guide Luxury Cars price crash

I think we all knew it was happening, but Glass’s guide, the trade bible for used car values, has confirmed that luxury cars in the UK have fallen out of bed in a big way. Comparing luxury diesel saloons with a year ago, they say that average values have dropped by a massive 21%. And in pure money terms the top end coupes, such as the Porsche 911, have fallen by 18%.