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Mercedes spotted testing new GLC-Class

Mercedes is set to replace its GLK-Class compact crossover with the new GLC, and here's our best look at it yet. Previewed in concept form with a sloping coupe-like roofline in Shanghai and previously spotted wearing swirly camouflage (in AMG form, no less), we can easily see from these latest spy shots that the GLC will ditch its predecessor's straight edges for a far more rounded form. Sort of like a C-Class, but taller. That, we gather, is kind of the point, as Mercedes moves to realign its crossovers with its sedan, wagon, coupe and convertible counterparts: GLC with C-Class, GLE (nee M-Class) with E-Class and GLS (GL) with the S-Class. And of course the GLA with the CLA and A-Class. Look for the new GLC to debut in June, soon to be accompanied by a chopped-roof version and offering similar powertrain options as the latest C-Class sedan. Hopefully the range will eventually include an AMG performance version, too. Related Video:

Mercedes previews GLC ahead of June 17 reveal

Mercedes has confirmed that it will unveil its new GLC crossover on June 17, releasing this preview sketch and a few details to give us an idea of what to expect. Set to replace the outgoing GLK, the GLC will slot in between the GLA and GLE (nee M-Class) in the Silver Star automaker's growing sport-ute lineup. Its nameplate shifts to better align with the C-Class sedan and the SLC roadster that's set to replace the SLK. The crossover's design was previewed in slant-back form as the Concept GLC Coupe in Shanghai a couple of months ago, but as you can see from this sketch, it'll initially come with a more conventional roofline. In announcing the livestream of its reveal, Daimler revealed that the GLC will feature a multi-chamber air suspension, Dynamic Select transmission control, and 4Matic all-wheel drive. It also promises to consume 19 percent less fuel than the GLK it replaces. World Premiere Mercedes-Benz GLC With the introduction of the new GLC on June 17th, Mercedes-Benz presents the second generation of its mid-range SUV. The GLC retains its predecessor's outstanding off-road characteristics and combines them with an all-new design. What is more, the GLC takes comfort and agility to a whole new level: With the innovative multi-chamber air suspension AIR BODY CONTROL, unique to the segment, DYNAMIC SELECT and the 4MATIC permanent all-wheel drive, the new GLC is tailor-made for all driving situations on and off the road. State-of-the-art assistance systems and improved energy efficiency further support the new GLC's claim of setting a new benchmark in this segment. Compared to its predecessor, fuel consumption was lowered by up to 19%.

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.