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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.

Mercedes-Benz S500 Plug-in Hybrid ready for 'major role' in urban areas

We finally got a clear look at the Mercedes-Benz S500 Plug-in Hybrid at the Frankfurt Motor Show last fall, but it took until this week to learn what the vision (see what we did there) is that Mercedes-Benz has for the PHEV. Despite it's generous size, Mercedes thinks this is a vehicle that will work well in urban areas. Speaking to members of the media during the Detroit Auto Show, Thomas Weber, Daimler AG management board member and research and development chief for Mercedes-Benz cars, said that the S500 PHEV, "will play a major role in congested areas" and that it will offer "a lot of driving pleasure." Part of that pleasure will come from a 0-62 mile-per-hour time of around 5.5 seconds thanks to a turbocharged, 3.0-liter V6 and an 80-kilowatt electric motor. The PHEV also has a 19-mile EV range, which will put it at the bottom end of the Three-Pointed star plug-in lineup. The upcoming C-Class plug-in, for example, will likely go, "closer to 50 km [31 miles]," Weber said, according to Green Car Reports. The S500 PHEV will go on sale in Europe later this year and will come to the US in early 2015 but there is no timeline, yet, for the C-Class plug-in (and the standard gas-electric hybrid version) or the even-more-future E-Class hybrids. Featured Gallery 2014 Mercedes-Benz S500 Plug-in Hybrid: Frankfurt 2013 View 22 Photos News Source: Green Car ReportsImage Credit: 2014 Jonathon Ramsey / AOL Green Detroit Auto Show Mercedes-Benz Electric Hybrid PHEV s500

Mercedes-AMG GT S aggressively priced at $129,900*

Just a few days ago we brought you leaked information regarding pricing for Mercedes' new flagship supercar. Now the German automaker has confirmed that the new Mercedes-AMG GT S will indeed retail for $129,900 (*plus a $925 destination charge). That may seem like a big chunk of change, and by most standards it is. But it starts to fall into reasonable territory when you put it into context. For one thing, it's not the most expensive Mercedes – not by a long shot. The previous SLS AMG fetched around $200k, and most anything else at the top of the AMG range – like the S63, SL63, G63 or GL63 – will set you back more than the new GT S, and don't even get us started on anything with the V12 and the number 65. The new Maybach S600 will set you back nearly $190k, and that bonkers G63 6x6 goes for over half a million. As for its rivals, the pricing places the AMG GT S right on pace with the Porsche 911 GT3 (whose 475 horsepower the Benz neatly trumps with 503 hp) and a good $20k less than the more powerful 911 Turbo. It also comes closer to the $115,900 that Audi charges for an R8 with a V8 than the $153,900 it gets for the ten-cylinder version, although the Benz edges closer to the latter in terms of output. The pricing does make it a fair bit more expensive than even the top end of the Jaguar F-Type range, which (short of the Project 7 speedster) maxes out at under $100k for the R model. Contrary to its predecessor and the SLR that came before, however, Benz is wisely staying out of Ferrari/Lamborghini/McLaren territory this time around. In short, Mercedes has clearly weighed its pricing strategy carefully. But if $130k is still too rich for your blood, the less potent base Mercedes-AMG GT will follow in the spring of 2016 with less power (quoted at 456 hp) and with a list price that's yet to be announced but promises to be a fair bit lower. In the meantime, deliveries of the GT S are scheduled to commence in April of this year. MERCEDES-BENZ ANNOUNCES PRICING ON ALL-NEW MY2016 MERCEDES-AMG GT S New Sports Car to Start at $129,900* January 23, 2015 - MONTVALE, NJ With the new Mercedes-AMG GT model range, the Mercedes-AMG sports car brand is moving into a new segment. As the second sports car developed entirely in-house by Mercedes-AMG, the GT has everything you would expect from an authentic Mercedes-AMG, from the characteristic styling, thoroughbred motorsport technology to the optimum weight distribution.