One of four Mercedes-Benz GLK models entered in a tuner's challenge, the Urban Whip from Florida-based Boulevard Customs features a wide-body styling kit, 26-inch wheels and tires, redesigned interior and ground-pounding audio system.

Developed by longtime Mercedes-Benz tuning experts Brabus, the BRABUS Widestar includes flowing front and rear wheel arch flares, redesigned front and rear bumpers, and exclusive BRABUS wheels and interior.

Legendary Motorcar Company, specialists in exotic and musclecar restoration, offers the Four Corners Rock Crawler including an innovative winching system to propel skateboarders and wakeboarders up to speed and actually “grind” down the vehicle’s specially integrated side rails.

RENNTech Rally Racer – Inspired by the unlimited-class rally cars of the storied Pikes Peak Hillclimb, RENNTech's Rally Racer GLK concept represents the Mercedes-Benz performance specialist’s first hybrid powertrain to enhance acceleration off the line and out of corners. You can see all four of these customized GLKs at the Mercedes-Benz display Central Hall #20999.

Japanese tuner Zele will show its carbon fiber body kit on this orange Nissan GT-R. The kit includes new front bumper, lip spoiler, side skirts, underbody spoiler, air duct, grille, front fender ducts and surge tank cover. Look for it in the Eneos booth Central Hall #24501 (read more from Motor Authority here).

Dodge hasn't announced any plans to build a droptop Challenger, but that hasn't stopped Coach Builders Ltd. from realizing a vision of an open-air edition. The company is reportedly already taking deposits for similar conversions. Look for this one in the company's booth (North Hall #12157) trimmed with a Vortech supercharger and 22-inch Foose Challenger wheels (read more at Top Speed via Car Domain. Check out more in-progress SEMA projects at Car Domain here).

Look for Rick Bottom Designs' 2008 Saturn VUE Greenline, which runs on either gasoline or propane, in the General Motors booth, Central Hall #23743. Look for the Solatec solar panels on the roof, which Bottom calls "a symbolic leap, but a leap in the right direction nonetheless."

Also, check out these great feature vehicles recently profiled in the November issue of SEMA News.