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2017 Mercedes GLS brings Benz's flagship SUV up to date

Mercedes-Benz is continuing the revision of its entire crossover lineup with the introduction of the new GLS. A facelifted version of the existing GL-Class, the new GLS aims to serve as the flagship of the German automaker's SUV lineup in the same way that the S-Class does for its sedans, coupes, and convertibles. As an update (rather than a completely new model), the new GLS is physically mostly the same as the GL it replaces, but packs a comprehensive series of revisions to bring it up to date. Those revisions can be seen on the outside, with revised styling front and rear. However the real changes have been made underneath the skin. The seven-passenger interior features a new three-spoke steering wheel, instrument panel with media display, center console with touchpad control, ambient lighting, and even an available air ionization system. The interior trim has been redone as well, with available Designo Exclusive and AMG Line packages to individualize it further. The new GLS will be offered Stateside in four engine specs. The base model is the GLS450, with a 3.0-liter twin-turbo V6 producing 362 horsepower and 369 pound-feet of torque. Step up to the GLS550 and you get 455 hp (20 more than before) and 516 lb-ft of torque. There's a six-cylinder diesel option in the GLS350d, good for 255 hp and 455 lb-ft. And the performance flagship, of course, is the new Mercedes-AMG GLS63, with 577 horsepower and 561 lb-ft of torque. The standard versions come with 4Matic all-wheel drive and a nine-speed automatic transmission with additional settings. The AMG version gets a rearward-biased traction system and a seven-speed dual-clutch gearbox instead. The standard models ride on an improved air suspension with enhanced damping, but the GLS63 adds a Sport+ instead of Off-Road setting on the Dynamic Select controller. There's a low-range gearbox and locking center diff available as well for those who plan to go off-road. Mercedes has fitted the GLS with all its latest electronic systems, including Collision Prevention Assist Plus, Crosswind Assist with Attention Assist, Brake Assist BAS, Pre-Safe braking, and more. The optional Driver Assistance package adds Distronic Plus with Steering Assist, pedestrian detection, cross-traffic assist, active blind-spot monitoring, lane-keeping assist, and more. There's an optional intelligent LED lighting system and heated adaptive windshield wipers as well.

The biggest gas-guzzlers of 2024: 'The Meanest List' is the opposite of greenest cars

In some circles — especially some automotive circles — bigger is better. This explains the Hummer, for example. In its so-called “Meanest List” of a dozen models, the American Council for an Energy-Efficient Economy (ACEEE) makes no apologies for berating “the worst-performing mass market automobiles” sold in 2024 in the U.S. The most diminutive car on the list is a Chevy Corvette Z06. At the top of this particular heap is the Mercedes-Benz AMG G63, a gas-powered SUV that the environmental agency says was “the worst-performing vehicle of the more than 1,200 models assessed by Greener Cars and has an annual fuel cost over $4,000.” Not to mention its MSRP of around $184,000. Rank Make & Model Powertrain Green Score MSRP Estimated Annual Fuel Cost* 1 Mercedes-Benz AMG G63 Gas 20 $184,000 $4,242 2 Ram 1500 TRX 4x4 Gas 22 $98,335 $3,819 3 Ford F150 Raptor R Gas 24 $79,975 $3,777 4 Cadillac Escalade V Gas 26 $152,295 $3,388 5 Dodge Durango SRT Gas 26 $74,995 $3,332 6 Jeep Wrangler 4dr 4X4 Gas 27 $35,895 $3,260 7 Jeep Grand Wagoneer 4x4 Gas 28 $91,945 $3,058 8 Mercedes-Benz G550 Gas 28 $143,000 $3,186 9 GMC Hummer EV SUV EV 29 $98,845 $1,746 10 GMC Sierra Gas 29 $37,700 $3,069 11 Chevrolet Corvette Z06 Gas 30 $114,395 $3,169 12 Mercedes-Benz Maybach S680 Gas 30 $234,300 $3,031 *ACEEE analysis using EIA data of the annual cost of driving 15,000 miles In terms of numbers, the dirty dozen of the meanest includes seven SUVs and three trucks. Lonely at the middle of the list is the sole electric, the GMC Hummer EV, which weighs in at 9,000 pounds. The council notes that “though EVs have lower emissions than similarly sized gasoline models, the Hummer demonstrates that size and efficiency, not just fuel source, are important factors in a carÂ’s environmental impact.” ItÂ’s also worth reminding prospective buyers that the average fuel cost of a vehicle on the “Greenest List” eats up only a fifth of the fuel cost of a vehicle on the Meanest List, “showing that greener options can also be more affordable.” The ACEEE also put out a "Greener List" of efficient gasoline and hybrid cars that don't require plugging in.  By the Numbers Green Cadillac Chevrolet Dodge Ford GMC Hummer Jeep Maybach Mercedes-Benz RAM Emissions Fuel Efficiency Green Automakers Truck SUV Electric Hybrid

Audi RS6 Avant and Mercedes-AMG E63 S drag race for Top Gear

Sometimes the kids are late for school, and you need a wagon to get them there in a hurry. In its latest drag race, Top Gear finds out which is the quicker high-performance family hauler: the Audi RS6 Avant or the Mercedes-AMG E63 S. The specs suggest this race should be quite close at the finish line. The RS6 has a 4.0-liter twin-turbo V8 with 552 horsepower, but the E63 S is a little more powerful with 577 hp from a 5.5-liter twin-turbo V8. However, the Audi has a traction advantage from the all-wheel drive system, whereas the Mercedes only spins its rear wheels. Pick your favorite, and then watch the video to see if the similar numbers translate to a photo finish in the real world. Related Video: