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Mercedes forced to lower MPG ratings on two C300 models *UPDATE

*UPDATE: Donna Boland, manager of corporate communications at Mercedes Benz USA, told AutoblogGreen that the sticker change only applied to around 500 C-Class vehicles on dealer lots, since a new C-Class came out in late August. "About 500 are left in the United States, and we've relabeled them," she said. First Hyundai, then Ford and now Mercedes-Benz. The list of companies that have had to change their vehicles' official EPA fuel economy ratings has just grown by one with the announcement that the 2013 and 2014 C300 4-Matic FFV and PZEV versions need to have their EPA labels adjusted. The changes aren't massive, at most one mile per gallon. The changes aren't massive, at most one mile per gallon, but they are lower than before. The FFV version goes from 20 to 19 mpg in the city while the PZEV drops one mpg across the board from 23/20/29 combined/city/highway) to 22/19/28. The FFV's combined (22) and highway (27) ratings stay the same. Other Mercedes vehicles that were spot checked turned out to have accurate labels. The problem, which is reminiscent of the issues that Ford had with the Total Road Load Horsepower, was that "Mercedes underestimated the impact of aerodynamic drag and tire rolling resistance known as 'road-load,'" the EPA said in a statement you can read below. We have asked Mercedes for more information on the issue but have not yet heard back. We're not sure how many vehicles the EPA is retesting (or asking to be retested), but the agency says that the C300 models were evaluated again by Mercedes "with EPA oversight" and the EPA did its own tests at the National Vehicle and Fuel Emissions Laboratory in Ann Arbor, MI. Christopher Grundler, the director of EPA's Office of Transportation and Air Quality, said that the EPA knows that the changes are minimal, but that, "it is important that our oversight system is producing the correct results because even one MPG matters to consumers." In case you need a primer in the recent history of companies adjusting their EPA numbers, check out this and this. Based on today's news, we won't be surprised to hear more changes are coming. EPA Requires Mercedes-Benz to Correct Fuel Economy Labels for Two C300 4-Matic Vehicles WASHINGTON - The U.S. Environmental Protection Agency (EPA) is revising estimates for two 2013/2014 Mercedes C300 4-matic vehicles, the FFV and PZEV, to ensure consumers are given accurate fuel economy values.

Electric Hummer is official, and Tesla's got momentum | Autoblog Podcast #612

In this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor Alex Kierstein and Senior Editor, Green, John Beltz Snyder. They start things off with a discussion of the week's news: GMC is launching an electric Hummer truck with a Super Bowl ad, and Tesla was profitable in Q4, sending its stock soaring. Then they talk about what they've been driving, including a super badass Mercedes-Benz Sprinter, the Kia Telluride and their long-term Volvo S60 PHEV. There's no "Spend My Money" segment this week, so send in your questions for future podcast episodes. Autoblog Podcast #612 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Hummer returns as electric GMC truck Further reading: Grappling with the dark side of EVs Tesla profitable for second straight quarter Cars we're driving: Mercedes-Benz Sprinter 3500XD Kia Telluride (whose safety tech won Autoblog's 2020 Technology of the Year Award) Long-term Volvo S60 T8 update Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Red Bull may seek engines from Ferrari after Mercedes snub

Red Bull and Renault's fractured relationship is pushing the Austrian F1 team to find a new engine provider. But after a trip across the German border to chat with Mercedes-Benz proved fruitless, the team is apparently set to head across its home country's southern border, and into Italy. Yep, Red Bull Ferrari could be a thing next season. According to RBR boss Christian Horner, the company is just doing "necessary due diligence" in contacting other engine suppliers, although he's willfully admitted to Germany's Bild newspaper that the "idea of Mercedes is finished," BBC Sport reports. It wasn't so much that Mercedes and Red Bull couldn't come to financial agreement – Red Bull owner Dietrich Mateschitz views throwing money into F1 in much the same way you or I toss pennies into the mall fountain – but rather that the Germans had no interest in supplying the best engines on the grid to the factory team's perennial rival. BBC Sport seems to think that fact, along with what the outlet calls Red Bull's "antagonistic" relationship with engine suppliers, killed the Mercedes deal. Honda and RBR aren't likely to happen either, thanks to McLaren (not that we think Red Bull would approach the Japanese, which have struggled mightily all season long). By process of elimination, that just leaves Ferrari. Scuderia Ferrari Team Principal Maurizio Arrivabene confirmed that his team can accommodate Red Bull's engine needs, and that he wasn't concerned with the idea of a Ferrari engine in an Adrian Newey-designed body. "In theory they have big names, with Newey as chief designer and it is easy to think that if you give them the engine they will build a scary chassis, which means they will be really competitive," Arrivabene told BBC Sport. "Concerning my team, my engineers and aerodynamicists know their own jobs. For that reason I don't have a problem, and competition is nice when you have a stronger competitor." "This doesn't mean tomorrow morning we will give our engines to Red Bull or Toro Rosso," Arrivabene added. And it's that statement we'd suggest remembering. There are, after all, still seven races left in the 2015 season, which is quite a lot of time for new and different developments within the sport's notoriously gruesome political process. In other words, don't count on an announcement from any team or manufacturer for at least a few more races. Related Video: