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Want your 2013 Mercedes E63 AMG to look like an E220? Now you can.

Mercedes are to offer a Business Line Pack for the 2013 E63 AMG which tones down its extreme looks and makes it look more prosaic. If you run a successful business, it’s important to look the part. But it’s equally important not to shout about your success (well, it is in Europe) too loudly or your workforce might think you should be paying them more instead of indulging your petrolhead side, and customers might decide you’re overcharging them if you look too flash.

Concept Car of the Week: Buick Y-Job (1938)

Welcome to the first in a new, regular, series of features in which we highlight an important, forgotten or just plain cool concept car each week. Concept cars have thrilled and inspired for decades, testing the limits in terms of technology and design and shaping the ways cars are designed today. They're the pinnacle of our art and probably the thing that first piqued your interest in car design.

Driven: Cadillac XTS

In the light of the new, global-focused ATS and hot-off-the-press CTS sedans, the full-sized, US-centric Cadillac XTS is somewhat of an anomaly in the new Caddy clan. It's been earmarked as a stopgap flagship before a proper rear-wheel drive challenger to the Mercedes S-class and Lexus LS comes on stream. Car Design News took to the streets of Detroit to find out if it captures that big Cadillac vibe on home turf.