2009 Mercedes-benz Slk300---55k Miles---showroom Condition on 2040-cars

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2013 Mercedes-Benz SL65 AMG

Make way for the 2013 Mercedes-Benz SL65 AMG, the most wonderfully preposterous car I have ever driven.
There is absolutely no reason why any two-seat roadster should be fitted with a twin-turbocharged 6.0-liter V12 developing 621 horsepower and 738 pound-feet of torque, but I sure am glad that Mercedes-Benz doesn't see things that way.
Drop into the leather-lined cockpit of this $213,145 provocateur, floor the accelerator pedal as I did over and over again, and 60 miles per hour falls in a traction-limited 3.9 seconds. Top speed has been electronically held to 186 mph (this apparently saves Gulfstream jet owners from embarrassment). Forget the SL550 and SL63 AMG, the valets will trip over themselves attending to the tycoon driving this thoroughbred - it's the real deal.

2015 Mercedes-AMG C63 S First Drive [w/video]

As I mashed the throttle heading into the back straight of a nearly three-mile-long race track, I couldn't help but center my mind on two ostensibly disparate subjects: physics and pistons. If the heart of an automobile is its engine, the heart of the engine are its rotating bits – the crankshaft, pistons and the block they're nested inside. It seems fitting, then, that the internals of the twin-turbocharged 4.0-liter V8 typify the brand-new 2015 Mercedes-AMG C63 sedan I found myself piloting in Portugal. Whereas the last C-Class AMG availed itself of a brute of an engine, employing 6.2 liters of displacement to make its 451 horsepower the old fashioned way, the latest AMG's V8 engine has been downsized radically. I had the opportunity earlier in the day to actually hold the pistons of the new 4.0 Biturbo V8 in my hands, alongside those of the outgoing 6.2. The difference in size is staggering, the new lumps looking downright picayune in comparison to the latter. These eight seemingly diminutive pistons turn combustion into crankshaft-spinning power inside a block that is smaller, lighter and more compact than I'd have thought possible, considering the prodigious output the engine spits out. I had gone into this assignment expecting to pen an ode to lost love; a sonnet of sorrow bemoaning the switch from massive cylinders to wheezing power adders. But I was wrong. In fact, the report that follows may indeed read a little like a love song, except it will heap praise not on what used to be, but instead on what is now possible. The new heart of AMG more than makes up for its reduction in size by relying on turbochargers and smart engineering to turn just 4.0 liters into 469 horsepower and 479 pound-feet of torque starting at just 1,750 rpm, or as much as 503 ponies and 516 lb-ft in uprated S guise. Foot to the floor, eyes focused on the turn ahead, a hard right-hander named Primeira that requires hard braking and quick reflexes, I had a fleeting moment of clarity: These are some hard-working pistons. A few days on the street and track in and around Faro, Portugal, has convinced me that the new Mercedes-AMG C63 is a better car in any meaningful measurement than it was before. And I'll go one step further. Not only is this the best C-Class AMG ever, it's also my new favorite in the hotly contested segment that includes such knee-benders as the BMW M3 and M4.

Recharge Wrap-up: Porsche 911 hybrid possible, Ecocruise EVs coming soon

The next-generation Porsche 911 could use hybrid power, according to Porsche CEO Matthias Muller. "There is no reason against it and we will see if we have some reasons to do it," Muller says of the model due around 2018. He also suggests that hybrid technology could eventually make its way into all Porsche model lines, but that the Boxster and Cayman would first get four-cylinder versions. Muller cites carbon emissions and "sportiness" as reasons to use hybrid power, pointing to the 918 Spyder as a good example of both. Read more at Car Advice. A B-Class F-Cell from the Mercedes-Benz fleet has hit a benchmark of 300,000 kilometers (about 186,411 miles) in everyday use. The achievement won Daimler an "f-cell award" for hydrogen fuel cell technology and innovation. The 300+ fuel cell cars in the Daimler fleet have driven a collective 9 million-plus kilometers (more than 5.5 million miles). The information gathered from this testing is being used to improve development as the company looks toward expanding commercialization of fuel cell cars. "We have clearly demonstrated that the fuel cell electric drive is ready for the road," says Professor Herbert Kohler of Daimler. "The last hurdles we will overcome in intensive cross-industry and cross-border teamwork." Read more in the press release below. A company called Ecocruise has new EVs coming out soon. Along with electric scooters and service vehicles, Ecocruise develops street-legal neighborhood electric vehicles like the three-wheeled EZip-3, the four-wheeled EZip-4, and the fun looking Cruser Sport (see a prototype in the video below). The EVs are scheduled to go on sale in January of 2015, which is right around the corner. Ecocruise was started after the founder of Kasea Motorsports decided to switch to electric vehicles with the goal of offering providing affordable emissions-free driving. Learn more about Ecocruise and its vehicles at the company's website. The new EU Fuel Quality Directive (FQD) does little to discourage dirty fuels like tar sands and coal-to-liquid, says Transport & Environment (T&E). The FQD requires suppliers to reduce greenhouse gas intensity for transport fuel in the EU by six percent by 2020. The much-delayed FQD doesn't do as much as it could, though, say critics, and it doesn't label dirtier fuel sources as such despite the urging of scientists. T&E, an organization focused on cleaning up EU transport, blames Canada, the US and Big Oil.