2015 Mercedes-benz Sl-class Sl 400 2 Door Roadster W/premium & Driver Assistan on 2040-cars

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Why it's difficult to accurately test the efficiency of a plug-in car

When it comes to electric vehicles and plug-ins in general, the Environmental Protection Agency-certified range is a hugely important number. While actual range anxiety is largely psychological, the magic number does provide a point of comparison of buyers considering one EV over another. The driving distance is also often touted by automakers when marketing their models. Unfortunately, as Green Car Reports finds in a recent deep dive, the way the EPA calculates the figure is a convoluted mess, and discovering the reasons why is definitely worth the read. The issue isn't about bad science but instead comes down to vague wording. The EPA's accepted range test is sourced from an evaluation called J-1634 from the Society of Automotive Engineers, and it seems to provide balanced results for vehicles that automatically reach a single state of charge when plugged in. However for models with multiple charge settings, the situation gets complicated very quickly. Of course, these modes are often created in the software, meaning that a car's certified driving distance can change with just a few taps of the keyboard without the real world results owners might experience actually changing. By showing the test's effects on the certified range for the Tesla Model S, Nissan Leaf and Mercedes-Benz B-Class Electric Drive over the last few years, Green Car Reports makes a compelling argument that it's the evaluation that needs to change. Thankfully, it appears that the solution is a very simple one. Get the details here.

Chris Harris falls in love with Mercedes-AMG GT at Laguna Seca

It's not every day that an automaker goes down a market segment and still comes off as even more ambitious, but that's exactly what Mercedes has done with the new AMG GT. While the SLS was bigger and more expensive, with the new GT, Mercedes has set its sights on one of the most iconic sports cars of all time. That, of course, would be the Porsche 911, and the big question is whether Benz has achieved its target. For the answer, we turn to none other than the Monkey himself – the inimitable Chris Harris, who recently went solo with his own YouTube channel. And for his latest segment, he took the latest German sports car around no less suitable a track than Mazda Raceway Laguna Seca.

Mercedes previews GLC ahead of June 17 reveal

Mercedes has confirmed that it will unveil its new GLC crossover on June 17, releasing this preview sketch and a few details to give us an idea of what to expect. Set to replace the outgoing GLK, the GLC will slot in between the GLA and GLE (nee M-Class) in the Silver Star automaker's growing sport-ute lineup. Its nameplate shifts to better align with the C-Class sedan and the SLC roadster that's set to replace the SLK. The crossover's design was previewed in slant-back form as the Concept GLC Coupe in Shanghai a couple of months ago, but as you can see from this sketch, it'll initially come with a more conventional roofline. In announcing the livestream of its reveal, Daimler revealed that the GLC will feature a multi-chamber air suspension, Dynamic Select transmission control, and 4Matic all-wheel drive. It also promises to consume 19 percent less fuel than the GLK it replaces. World Premiere Mercedes-Benz GLC With the introduction of the new GLC on June 17th, Mercedes-Benz presents the second generation of its mid-range SUV. The GLC retains its predecessor's outstanding off-road characteristics and combines them with an all-new design. What is more, the GLC takes comfort and agility to a whole new level: With the innovative multi-chamber air suspension AIR BODY CONTROL, unique to the segment, DYNAMIC SELECT and the 4MATIC permanent all-wheel drive, the new GLC is tailor-made for all driving situations on and off the road. State-of-the-art assistance systems and improved energy efficiency further support the new GLC's claim of setting a new benchmark in this segment. Compared to its predecessor, fuel consumption was lowered by up to 19%.