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Mercedes-AMG to phase out 5.5-liter V8 after next year [UPDATE]

UPDATE: A previous version of this story indicated that AMG's 6.0-liter twin-turbo V12 was still mated to a five-speed automatic transmission, however the latest models (including the S65 AMG sedan and coupe, SL65 roadster and G65 sport-ute are equipped with the newer seven-speed unit. Mercedes also reached out to point out that the 5.5-liter engine will be phased out gradually, not overnight. There's a lot to love about AMG's 5.5-liter twin-turbo V8. It produces as much as 577 horsepower and 590 pound-feet of torque, and delivers blistering performance to even the heaviest of vehicles. But try not to get too attached, because like its 6.2-liter, naturally aspirated predecessor, it's not long for this world. The latest word comes from Autocar, which reports that Mercedes will release the last applications for the 5.5 biturbo within these next two calendar years in the new GLE63 AMG and upcoming S63 AMG convertible. After that, even though it was only introduced in 2011, it will be phased out. Fortunately Affalterbach has a worthwhile successor already in place in the 4.0-liter twin-turbo V8 from the Mercedes-AMG GT. The smaller powerplant, already in store for the new C63, is already producing 503 hp and 479 lb-ft in S spec. That's still shy of the larger unit's output, but where the 5.5 is nearing the end of its production cycle, the 4.0 is just starting out. Of course the 4.0-liter biturbo isn't the only engine AMG is making these days. Smaller models (based on the front-drive platform) employ the 45-designation, high-output 2.0-liter turbo four. Models at the very top of the lineup, however, use a 6.0-liter twin-turbo V12 that may be a dinosaur, but with 621 hp and 738 lb-ft of torque on tap, still can't be beat.

Recharge Wrap-up: new Gigafactory drone video, Mercedes valet

A new, Tesla-approved drone video shows the progress of the Gigafactory. Recently, a video surfaced showing what Elon Musk said was just the "pilot plant," which is only a quarter of the size of the final planned Gigafactory. This new video not only shows the structure, but also the site surrounding it. We see more steel beams waiting to be erected, suggesting that the footprint of the finished building will be even more massive than that of the current standing structure. And if what Musk says is accurate, we've got a lot more to look forward to. Have a look in the video above, and read more at Teslarati. Tesla is paying hackers to find bugs in its website and products. In a posting on Bugcrowd, the electric automaker calls on "security researchers" to find vulnerabilities in the site itself, any domains owned by Tesla, any Tesla apps as well as Tesla hardware owned by the hacker like a Model S or the Powerwall. In exchange for the hackers' service, Tesla is offering rewards ranging from $25 to $1,000 for reported vulnerabilities. Tesla also promises not to sic the law enforcement on hackers who step forward to help, as long as they follow the rules. Read more at Teslarati. Daimler and Bosch are working on automated parking for Mercedes-Benz. In a properly equipped parking garage, the car would find an empty space and park by itself, and return to the driver when called upon. The groups are starting a pilot project for the autonomous valet feature with carsharing service Car2go, where it works the other way around. Customers will be able to call a car to a pick-up zone using a mobile app. When finished, the customer leaves the car in the drop-off zone, and the car takes care of the rest on its own. "Fully automated parking will be ready for mass-production before fully automated driving," says Bosch's Dr. Dirk Hoheisel. "Low driving speeds and the information from the car park infrastructure enable a fast implementation." Read more in the press release from Daimler. Volta has raised $7.5 million in funding to expand its free EV charging network. To offer free charging, Volta's chargers essentially perform double duty as billboards for what Volta calls "companies with a vested interest in the community." "Early Internet pioneers like Google became industry titans by first offering free consumer services online paid for by companies that advertised on their platforms," says Volta CEO Scott Mercer.

Mercedes 'could' do BMW i rival. But it won't

It's a safe bet that if one automaker does something, its big rival won't be far behind with a response. This is true no matter the country in question. So with BMW's i sub brand enjoying a firm, green standing, it seems like only a matter of time before Mercedes-Benz answers. Or not. Speaking to Autocar, the company's head of sales and marketing, Ola Kallenius, said Mercedes could absolutely conjure up an ultra-efficient sub-brand filled with unique, eco-friendly models to compete with the i3 and i8. Or, you know, it could just apply a fuel-sipping philosophy across the company's range and crush i with a far wider array of models and powertrains. "We could choose for the purpose-made electric vehicles to create some sort of sub-brand but, right now, Mercedes is focused on investing tremendous resources into the path towards zero emissions," Kallenius told Autocar. "It's something that will affect the whole portfolio." And that's not all. "What we're going to do in terms of the road to zero emissions is invest heavily in alternative drivelines and electrification," Kallenius said. "That's a very wide strategy, but it means that by the end of next year we will have 10 plug-in hybrid models, which, I think, is the widest portfolio of any luxury manufacturer." Zing. Kallenius went on to say that on top of the PHVs, MB will sell three all-electric models – two Smart-badged vehicles and the not-for-US B-Class – while its next fuel-cell model, a GLC-based CUV, will hit dealers at the end of 2017. Related Video: