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Weekly Recap: Autonomous driving goes commercial in Nevada

Nevada granted Daimler Trucks North America the first license to run an autonomous commercial vehicle on public roads in the United States Tuesday, marking another milestone in the technology's rapid advancement. Gov. Brian Sandoval and Daimler truck chief Wolfgang Bernhard promptly used the license to lap Highway 15 near Las Vegas in a newly revealed Freightliner Inspiration Truck. It was a clear signal that autonomous driving is big-rig reality, though it's still a long way from widespread use. Nevada certified two of Daimler's Freightliner Inspiration Trucks, which use the company's Highway Pilot system with a stereo camera, radar, and lane-keeping collision-prevention features to regulate the brakes and steering. The radar component has a long-range sensor that can cover 820 feet at an 18-degree angle and a shorter-range unit that stretches 230 feet at a 130-degree angle. The Inspiration trucks are based on the existing Freightliner Cascadia Evolution model used on US roads. In addition to the autonomous technologies, it also has futuristic design cues, including blue lighting in the front and a new hood and grille. While there are only two Freightliner Inspiration trucks in existence, Daimler expects to bring the Highway Pilot system into mass-produced big rigs by 2025, in time to capitalize on the market's predicted growth. The German truckmaker predicts the global hauling market will triple by 2050, and the United States will be a key part of that growth. Trucks carry 69.1 percent the nation's domestic freight tonnage and hauled 9.7 billion tons of freight in 2013, according to the American Trucking Association. Daimler expects autonomous driving to augment this growth, and perhaps evolve the role of the truck driver. Still, the company points out autonomous tech is not meant to replace drivers, but to assist them and relieve fatigue and monotony on long hauls. The driver has to stay in control for passing, in city traffic, and when hooking up the trailer. The company said autonomous driving also offers the potential for improved fuel economy – tests showed a five-percent gain – and lower maintenance costs. Daimler also said the technology could reduce congestion on the road. Much of this is attributable to the constant flow of traffic, which is aided by autonomous driving. While the benefits are becoming increasingly apparent, autonomous technology is still met with skepticism.

Carlsson SLK 340 Judd is winged up for hill climb glory

Carlsson has been expertly tuning Mercedes-Benz products for more than 20 years now, but we can't say as we remember the outfit turning out anything quite so racy as this SLK 340 Judd that it has brought along to the Geneva Motor Show this year.
This SLK is meant for competition, obviously, and Carlsson has already booked the car to race in several hill climb events in the E1 category. The purpose-built racer should have a fighting chance to do well in said races, with a shape vetted in wind tunnel testing for maximum downforce, the SLK uses a carbon-fiber bodyshell to help achieve a curb weight of just about 1,720 pounds.
The featherweight SLK's name comes from its 3.4-liter V8 engine, which churns out a wicked 610 horsepower to go with its 317 pound-feet of torque. A Hewland transmission with paddle shift operation manages all of the thrust.

2016 Mercedes-Benz G550 Quick Spin [w/video]

If there ever was an automotive embodiment of the phrase, "If it ain't broke, don't fix it," that'd be the Mercedes-Benz G-Class. The G-Wagen has carried on largely unchanged since the 1970s, with only small updates throughout the decades. Today, it's the halo vehicle for Mercedes' entire SUV range, and while it's more luxurious and efficient than ever, it'll still climb a mountain if asked. "Our legend has a bright future," says Dr. Gunnar Guthenke, Mercedes' G-Class boss. And for now, that means the addition of a new base engine for the 2016 model year, as well as other small updates. The powerplant in question is Merc's new twin-turbocharged, 4.0-liter V8 – you know, the one from the AMG GT – tuned to produce 416 horsepower and 450 pound-feet of torque in the G550. Compared to the outgoing, naturally aspirated, 5.5-liter V8, the new engine is stronger by 34 hp and 59 lb-ft. And while official fuel economy numbers are still pending, Mercedes says the G550 is 17-percent more fuel efficient with this smaller, more powerful engine. Win-win. As for the rest of the G-Class, the 2016 model year changes are limited to a new front bumper with more pronounced air intakes (and the removal of the cow catcher bars), wider wheel arches, a few new colors (including some seriously bright hues), and a redesigned instrument cluster. Those are all well and good, but the star of the show is that 4.0-liter V8. It's a honey in the AMG GT, and it's a perfect fit under the hood of the G550. Driving Notes I'm kicking myself for not taking video of the exhaust note, because holy crap, the G550 sounds amazing. Mercedes' engineers should be applauded for the exhaust tuning on the updated G-Class. The result is a low, burbly, throaty V8 noise that comes bellowing out the SUV's side pipes. The extra 59 lb-ft of torque is really noticeable off the line. And like in the AMG GT and C63, the 4.0-liter V8 provides linear power delivery with no noticeable turbo lag. Mercedes says the 2016 G550 will do 0-60 in 5.7 seconds, compared to 6.0 seconds in the 2015 model. That's right, it's a 5,724-pound, box-shaped SUV that'll run nearly neck and neck with a base Porsche Boxster. In terms of on-road refinement, the G-Class is the same as it ever was. There's an optional, adjustable suspension for 2016, with Comfort and Sport modes, but the difference between the two settings is negligible.