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Automakers' sound systems: Crank it, don't yank it

Years ago, one of the first things most music lovers did after buying a new vehicle was drive to an aftermarket stereo shop to get the crappy stock components swapped for better gear. And you'd typically get not only better sound but also more bang (and boom) for your buck. But in the past decade or so, the overall quality of OEM audio has dramatically increased, while car electronics became more complex, removing the incentive for most new vehicle owners — and all but the most hardcore DIYer — to start from scratch. In 2010, I did a comparison of the average costs for OEM electronics vs. similar offerings from the aftermarket, and back then automakers' stock premium systems were by far the best bargain — and are probably an even better value now. The premium 14-speaker, 1,200-watt JBL system in the all-new 2019 Toyota Avalon is a prime example of this trend. It's standard on the top two Limited and Touring trims and is available as a $680 audio upgrade on the XLE and XSE. I doubt you can even buy 14 speakers and 1,200 watts of amplification from the aftermarket for 700 bucks, much less have it all installed. And because the system is bundled with Toyota's Entune infotainment system, Apple CarPlay and a surround-view camera, removing the head unit means you would likely lose these features. Another advantage of OEMs and their audio partners is they can design the car around the audio system. In the past, automakers would typically place speakers where convenient for packaging, not for optimal sound reproduction, and audio engineers were forced to compromise. But as with the Avalon's premium JBL audio system, this is starting to change. At a recent behind-the-scenes peek for media into the process of developing the system, Toyota and Harman engineers delved into the minutia of sealing the inner panel of the front doors to create an enclosure for 6x8-inch woofers, making space in the pillars for JBL horn tweeters and extensively measuring the acoustic properties of the interior to tune the sound to the space. I'm met some creative and skilled car stereo installers, but none with a degree in psychoacoustics. The system is also the first to feature Quantum Logic Surround that creates a multi-channel listening experience from two-channel sources. And it includes Harman's Clari-Fi processing that "rebuilds key details lost" in compressed audio formats used by streaming music services and MP3s.

Mercedes previews GLC crossover coupe concept for Shanghai

Say what you will about slant-backed crossover coupes: if the industry has learned anything from BMW and its X6, it's that they're popular... and profitable. Little wonder, then, that Mercedes followed suit with the release of the GLE Coupe. And now it appears set to follow the lead set by the BMW X4 as well with a smaller GLC Coupe... at least, that is, in concept form. Previewed in this latest teaser rendering is the Concept GLC Coupe, a design study which Mercedes is set to present at the Shanghai Motor Show later this month. The statement that accompanies it (which you can read below) doesn't tell us much, except to say that it is "near-production-standard" – which is to say that it stands a strong chance of reaching showrooms. As it is, the GLC with a conventional roofline is set to take the place of the GLK in Benz's expanding crossover lineup. The emergence of this concept ought to preview that new model's styling, regardless of how steeply its roofline tapers off towards the back. The Shanghai show is, incidentally, the same venue Mercedes originally floated the idea of its smallest crossover with the presentation of the Concept GLA two years ago. And as we all know, that subsequently entered production – in a form closely following that of the concept. So we wouldn't be surprised to see a GLC Coupe emerge in close proximity to its more conventional counterpart (maybe even before), heavily influenced by the show car we'll see later this month. Related Video:

Mercedes sketches new DTM C-Class

Mercedes-AMG has two racecars on tap for 2016: the AMG GT3 for FIA GT3 sports car racing and the Mercedes-AMG DTM racer in the German Touring Car series. We have our first sketches of the latter, based on the 503-horsepower C63 Coupe, just lower, wider, and meaner. Naturally, a different motor goes in the DTM car, series regulations prohibiting turbocharging and dictating a 4.0-liter, naturally-aspirated V8 with 90-degree vee angle and a maximum of 500 hp. In 2017 the regulations will change to mandate 2.0-liter, four-cylinder turbocharged motors with about 600 hp in a Class One car. The switch will align DTM regs with Japan's Super GT and IMSA here in the US, so they can move between series' with minimal changes. That has the possibility of at least doubling the number of automakers on the grid – the German three and the Japanese three at once – and enabling a World Cup series held in the off-season between 2017 and 2018. Since 2000 Mercedes has won six Driver's Championships in DTM and nine Constructor's Championships, but it hasn't taken home a trophy since 2010. With six races to go in the season it has a team in second place, six points behind the leader. The press release below outlines the new aims. Mercedes-AMG DTM Team present first outlines of 2016 race car - Looking ahead to the 2016 season: How the new DTM car fielded by the Mercedes-AMG DTM Team will look - Ulrich Fritz: "Our aim with this vehicle is, of course, to continue the Mercedes-Benz success story in the DTM." Stuttgart, Aug 29, 2015 - The 2015 DTM season reaches its climax in September. But even before the final race weekends of the year, the Mercedes-AMG DTM Team are providing an insight into what lies ahead for the race series, revealing the first designs of the car that they will enter for the 2016 campaign. The 2016 DTM car to be deployed by the Mercedes-AMG DTM team follows on from successful predecessors that include the most successful car in DTM history – the AMG Mercedes C-Class with which Mercedes-AMG drivers secured 85 victories in 159 races. "The new Mercedes-AMG C 63 Coupe will again set new standards for driving dynamics and design. So, the vehicle provides the ideal basis for our DTM car," said Head of Mercedes-AMG DTM Ulrich Fritz. "I'm already looking forward to seeing the new Mercedes-AMG C 63 DTM compete in 2016.