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Daimler exec hypothetically discusses 3-cylinder engines for small hybrids

Is three the magic number of cylinders for Mercedes-Benz parent Daimler and its efforts to build smaller powertrains for its compact hybrids? Potentially, yes, the German automaker could see the need for three-cylinder mills, Automotive News reports. The company doesn't have any plans for them as of yet, though. Daimler executive Bernhard Heil talked with Automotive News about the challenges of using four-cylinder engines in a front-wheel-drive setup and said that three-cylinder engines could work in transverse-mounted powertrains for hybrid cars. For now, though, the company doesn't actually have any plans to go in that direction, Mercedes-Benz spokesman Christoph Horn said in an e-mail to AutoblogGreen. Horn wrote that Heil "actually said that if ever MB would use a three-cylinder engine than [it would be] in a configuration where space is restricted, such as when using a hybrid power train in a compact car." Of course, the only compact "hybrid" that Mercedes-Benz has is the 2015 C-Class, but that refers to the "hybrid" body is made of 48-percent aluminum, up from the current nine percent, as well as steel. It has nothing to do with the powertrain. Beyond that, there's always the Mercedes-Benz S500 Plug-in Hybrid that the company unveiled at the Frankfurt Motor Show last fall, but that model, which will debut in Europe later this year and arrive stateside next year, has a 3.0-liter turbocharged V6 and an 80-kilowatt electric motor that propels the plug-in from 0 to 62 miles per hour in 5.5 seconds. Not exactly three-cylinder territory, that.

Mercedes-Benz C-Class scores well in TUV lifecycle analysis

Mercedes-Benz drivers and treehuggers don't always go hand in hand, but, like a lot of other companies, the German automaker is looking to boost its green cred. This time, it's all about the car's lifecycle carbon footprint. The Daimler AG unit is using its new C-Class sedan as an example of how it's making progress in that department. Mercedes-Benz, citing the inspection authority TUV Sud, says the 2015 C-Class has a 10-percent lower lifecycle carbon footprint than its 2014 predecessor, based on driving about 125,000 miles over the life of the car. About 95 percent of the car (by weight) is recyclable, slightly higher than the average for most vehicles, and the model has upped its amount of recyclable materials up by 23 percent and increased its use of "natural materials" by 55 percent. Better aerodynamics also helps things out on the fuel-economy front, Benz says. Taking a longer view, the 2015 C-Class's carbon footprint is 28 percent better than the 2007 version that launched the vehicle line. The 2015 C-Class hasn't received a fuel-economy rating from the US Environmental Protection Agency, which tagged the 2014 C350 with a combined fuel-efficiency rating of 24 miles per gallon from its 3.5-liter 6-cylinder engine. Check out Mercedes-Benz's press release below and find the Autoblog First Drive impressions here. TUV Environmental Certificate: The new C-Class makes its mark with an exemplary life cycle assessment Stuttgart, Mar 28, 2014 The C-Class sets efficiency benchmarks for its class, helped by an intelligent lightweight concept, excellent aerodynamics and new, frugal engines. The neutral inspectors from the TUV Sud technical inspection authority have confirmed the high level of environmental compatibility of the new Mercedes-Benz C-Class. Besides a sensuous, clean-cut design, a top-class interior and a host of technical innovations, the premium saloon also boasts an exemplary life cycle assessment, which is why it has been awarded the Environmental Certificate in accordance with the ISO 14062 standard. Professor Dr. Herbert Kohler, Chief Environmental Officer at Daimler AG: "Our engineers have pulled out all the stops in an effort to lower fuel consumption while at the same time further accentuating the car's sporty character. By employing an intelligent lightweight design with a high proportion of aluminium, for example, it has been possible to make the new C-Class up to 100 kilograms lighter than its predecessor.

Tesla says Model 3 is best-selling midsize premium sedan in America

Auto sales figures are sort of fuzzy numbers, no matter how you slice them and no matter which manufacturer you're talking about. Unless you're specifically tracking vehicle registrations, automakers generally self-report the figures. So, you have to trust that they aren't doing anything too tricky. Plus, not every sale is equal, as some are logged as dealership loaners or demo models, some go to fleets (like to a rental car agency), and still others are, of course, bought by traditional customers looking for a new daily driver. With that preamble out of the way, when we saw a tweet from Tesla claiming that the all-electric Model 3 is the best-selling midsize premium sedan in America, our interest was piqued. According to Tesla, market share of the Model 3 has just surpassed the Mercedes-Benz C-Class, which had up until now led the Audi A4, BMW 3 Series, and Lexus IS as the best-selling sedan in its class. Note that the graph from Tesla below is, we think, specific to four-door models. So, is it true? Judging by the numbers we can find, including some from Bloomberg, which has a running chart to track Model 3 registrations, the answer is... probably. We don't know exactly how many Model 3 sedans Tesla is currently cranking out, but Bloomberg estimates production at about 2,560 units per week, and total sales for 2018 at 34,414. We know the number is increasing regularly, though, and Elon Musk has said most recently production sits around 500 units per day, which, on a seven-day cycle, would be 3,500 per week. We looked up Mercedes' sales figures for the month of May, 2018, and found that the German brand sold 5,419 C-Class models last month, for a total of 23,917 for the year (incidentally, that's down more than 30 percent from the year prior). While the bulk of those sales would surely be made up of sedans, it would also include a small percentage of coupes. Either way, it's likely that Tesla is currently producing and selling more Model 3s than Mercedes is C-Classes. Now, it's also worth considering if the C-Class is the only vehicle from Mercedes that directly competes with the Model 3. We'd guess customers may also cross-shop the CLA sedan with the Tesla, and if that's the case, you might decide it's worth adding in Mercedes' 2,527 CLA-Class sales last month and 9,622 so far for the year. The same argument could be made for certain versions of the BMW 2 and 4 Series.