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Fifth Gear Tonight: Mercedes CLS63 AMG, Porsche Panamera GTS, RoadYacht GTR & new MGB GT

A new episode of Fifth Gear on Discovery tonight with Mercedes CLS63 AMG, Porsche Panamera GTS, RoadYacht GTR & new MGB GT. Our weekly reminder of what’s on the new series of Fifth Gear seems popular, so here we go again with a look at what Fifth Gear has on offer this week. Vicki Butler-Henderson and Jonny Smith take to the track with a pair of powerful German super saloons – the Mercedes CLS63AMG and Porsche Panamera GTS – to see which comes out on top.

Kia K9 sedan, camouflaged Sportage spied testing

Kia was doing a bit of vehicle testing around Mammoth Lake, Calif., last weekend, and Autoweek reader Kristoffer Gjevre was there to capture the convoy. His photos show a camouflaged small SUV/ crossover and a completely undisguised K9 sedan backed up by Hyundai Santa Fe and Veloster support vehicles. Based on the roofline and A, B and C pillars, that small crossover appears to be a Kia Sportage -- and the heavy concealment at the front and rear of the vehicle suggest updated fascias may be in the works.

Mercedes U.S. boss ‘excused' from his duties

Mercedes-Benz U.S. chief has been “excused” from his duties effective immediately, according to a Daimler spokesman. Ernst Lieb, 56, had held the position since 2006.