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VW joins Daimler's protest of new A/C refrigerant as EU deadline for compliance passes

The case of Dupont and Honeywell's refrigerant R-1234yf is doing the exact opposite of keeping things cool. The two chemical companies have spent years and hundreds of millions of dollars developing R-1234yf to replace R-134a, the new refrigerant shown to be 99.7-percent kinder to the environment than the one it is meant to succeed. Part of that development has been years of testing by governments, outside safety agencies and automakers to approve the chemical for use in cars. It passed the protocols necessary for the European Union to declare that new and significantly revised cars from 2013 onward needed to use R-1234yf, and mandated that every car as of 2017 must use it.
Enter Daimler AG. The automaker created a head-on collision test with a B-Class at their Sindelfingen test track that would lead to the pressurized refrigerant being sprayed on the engine. The result in 20 out of 20 test was that the refrigerant burst into flames as soon as it hit the hot engine, while Daimler says that R-134a does not catch fire in the same test. Another unexpected result of the R-1234yf test was the release of hydrogen flouride, a chemical far more deadly to humans than hydrogen cyanide, emitted in such amounts that it that turned the windshield white as it began to eat into the glass.
Said a Daimler engineer in a Reuters piece, "It was scarcely believable. The most complicated lab tests conducted using the most sensitive measuring instruments around found nothing and all we do is drive a car around a couple of times, open a tiny hole in the refrigerant line and the next thing you know the car is on fire." So Daimler said it wouldn't use the refrigerant, and it recalled the cars it had already shipped with R-1234yf.

2014 Mercedes-Benz E63 AMG S Wagon is one hot hauler [w/video]

Mentioned at the debut of the redesigned Mercedes-Benz E-Class back in January, Mercedes has finally pulled back the curtain on the E63 AMG S, which was on display at the New York Auto Show in wagon guise. The 2014 E63 AMG S ups the ante even more from a "base" E63 AMG, improving the car's performance and styling - not that it needed help with either to begin with.
Our favorite S-model upgrade is the added output tweaked out of the 5.5-liter twin-turbo V8 producing 577 horsepower and 590 pound-feet of torque, which represents a substantial gain of 27 hp and 59 lb-ft of torque over the stock E63. In wagon form, the E63 AMG S can run from 0-60 miles per hour in just 3.6 seconds and hit an electronically limited top speed of 186 mph. All 2014 E63 AMGs come with Mercedes' 4Matic all-wheel-drive system, but the S-Model adds in a limited-slip rear differential for improved performance.
Mercedes has made sure that the extra money being spent on the S-Model is instantly noticeable with slightly different design cues and black along with 10-spoke wheels with red brake calipers peeking through. Plenty of silver-chrome and high-gloss black accents finish off the exterior styling, while the interior adds Alcantara on the steering wheel, accent stitching on the leather and contrasting silver seat belts on models with the black interior. Scroll down for an official video and press release.

Mercedes leads in US luxury car thefts

Mercedes-Benz makes some fine automobiles. The Silver Arrow'd cars are so good, apparently, that thieves can't help but try to steal them. The German brand is at the top of the charts for luxury car thefts in the US, according to the National Insurance Crime Bureau, with New York City leading the way. (And those New Yorkers complain about Detroit being bad!)
The C-Class was the most stolen model, with 485 ganked between 2009 and 2012 in NYC alone, while the E-Class and S-Class (which also boasted the worst recovery rate, at 59 percent) both finished in the top ten. Following the C-Class was the BMW 3 Series and Infiniti G. Not surprisingly, each of these were the most common models in their respective lineups. Los Angeles and Miami are also prime hotspots for luxury car thefts, according to the Detroit News report.
While getting your car stolen is pretty awful, there was one inspiring statistic compiled by the NICB - the average recovery rate across the board was 84 percent, with the Cadillac CTS getting recovered 91 percent of the time.