Once called der wolf in der kleidung eines schafes, the Mercedes 500E was as subtle in its appearance as it was brutal in its performance. Today’s Nice Price or Crack Pipe custom 500E is like a wolf on amyl poppers, but will its price pull the wool over your eyes?

The car world is lousy with fly-by-night tuning shops. RENNtech isn't one of them. Founded in the 1980s by 15-year AMG veteran Hartmut Feyhl, the Florida shop has put the screws to hundreds of Mercedes-Benz (as well as Porsche and BMW) products over the decades.

Two common Mercedes C63 AMG complaints are: The lack of grip and understated appearance. The RENNtech C74 "Konzept" fixes both problems with a wide-as-Jennifer Lopez rear track and a widebody aero kit that makes the U.S.S. Enterprise look inconspicuous.

Miami Cops have unmarked Altimas and laser guns. The RENNtech AMG C63 SPEC.R has a top speed of 187 MPH and luckily, sports a custom rear-view mirror-embedded radar/laser-detecting and jamming system. I used it, often.

Inspired by our 30 years of G-Wagens, the power mad folks at RennTECH sent us these exclusive renderings of a diesel G-Series concept they're considering for the future.

Name: Renntech Mercedes GLK Pikes Peak Rally Racer
Type of Apocalypse: Water World- Like Flooding
Why: This one is admittedly kind of a stretch, but if global warming does its thing and we're stuck with oceanfront property in Pennsylvania, racing to mountaintops for a land grab is going to be important. Enter the…

Never one to let well-enough alone, or to admit there is such a thing as well-enough, über-tuners RENNtech have taken the SLR 722 and tuned it up to 777 HP.

The Booth Professionals and 42" Chrome Rims may have rolled home weeks ago, but the voting for the Mercedes SEMA has just ended. What über tuner swayed the most SEMA fans to their tuned hybrid?