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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.

2016 Mercedes-Benz C450 AMG Sport First Drive

A. M. G. Those three letters carry a lot of weight, especially to those who firmly believe that AMG is the hallowed performance pinnacle of the Mercedes-Benz brand. Those purists probably lifted an eyebrow at the front-drive platforms behind the CLA45 AMG and GLA45 AMG, and virtually every AMG-branded SUV that has hailed from the tuner-focused nameplate. But they might want to consider a second look at the 2016 Mercedes-Benz C450 AMG Sport. No, it's not a full-blown, fire-breathing AMG like the C63, and it doesn't get the newfangled "Mercedes-AMG" nomenclature. But after spending some seat time in the C450 AMG Sport, there's a decent chance you'll be quite alright with that. Inside and out, the C450 bears a strong visual resemblance to the mean looking, V8-powered, 469-horsepower C63 and its even fiercer, 503-hp, C63 S variant. The C-Class cockpit feels a bit snugger than you might expect considering its exterior proportions, particularly from the passenger seat. On the other hand, the new C-Class is also quite a bit more nicely appointed than its predecessor, which has inspired more than a few comparisons to the super posh S-Class. As for the C450 AMG, its more purposeful design cues and sportier details lend it a buttoned-down, modern feel. The biggest differentiator between the C and CLA class, however, is the rear of the cabin: the C's back seats are considerably roomier than the entry-level CLA's posterior perches. In place of V8 power, the modest 450 AMG packs a more reasonably endowed twin-turbocharged, 3.0-liter V6 that pushes 362 hp and 384 lb-ft of torque through a 7G-Tronic Plus automatic gearbox (in place of the the C63's dual-clutch seven-speed). Power is routed through all four wheels with a 66-percent rear, 33-percent front torque split. For some numerical context, the C450 AMG exceeds the C400 by 33 hp and the C300 by 121 hp, while it lags behind the C63 by a rather significant 107 hp. Crucially, the six-banger helps shed between 231 and 242 pounds compared the C63 models – this, despite a heavier all-wheel-drive arrangement, as opposed to the C63's rear-drive configuration. The C450 AMG shares a few pieces of hardware with its big brother AMG sibling, including the front axle, electromechanical steering, and upgraded brake setup (though you can't get carbon ceramic stoppers like you can in the C63 S).

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.