1979 300td Mercedes Benz Diesel Wagon 4 Speed Manual on 2040-cars

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Mercedes 'could' do BMW i rival. But it won't

It's a safe bet that if one automaker does something, its big rival won't be far behind with a response. This is true no matter the country in question. So with BMW's i sub brand enjoying a firm, green standing, it seems like only a matter of time before Mercedes-Benz answers. Or not. Speaking to Autocar, the company's head of sales and marketing, Ola Kallenius, said Mercedes could absolutely conjure up an ultra-efficient sub-brand filled with unique, eco-friendly models to compete with the i3 and i8. Or, you know, it could just apply a fuel-sipping philosophy across the company's range and crush i with a far wider array of models and powertrains. "We could choose for the purpose-made electric vehicles to create some sort of sub-brand but, right now, Mercedes is focused on investing tremendous resources into the path towards zero emissions," Kallenius told Autocar. "It's something that will affect the whole portfolio." And that's not all. "What we're going to do in terms of the road to zero emissions is invest heavily in alternative drivelines and electrification," Kallenius said. "That's a very wide strategy, but it means that by the end of next year we will have 10 plug-in hybrid models, which, I think, is the widest portfolio of any luxury manufacturer." Zing. Kallenius went on to say that on top of the PHVs, MB will sell three all-electric models – two Smart-badged vehicles and the not-for-US B-Class – while its next fuel-cell model, a GLC-based CUV, will hit dealers at the end of 2017. Related Video:

Mercedes previews new S-Class convertible

Mercedes keeps on expanding its flagship S-Class with more models, and will soon add one more to the roster. But before it does, it's giving us this teaser of what's to come with an advanced look at the upcoming new S-Class Cabriolet. The convertible model will be based closely on the S-Class Coupe we already know, only with a folding roof. Expect that dropping top to be constructed of several layers of fabric (as opposed to a folding metal top) with a glass rear window (instead of plastic) to keep it luxuriously isolated and insulated from the outside world when it's up, and let the wind and sunshine in when down. The Cabrio will bring the array of body-styles in the S-Class range up to six, with the convertible joining the existing coupe and four wheelbase lengths of sedan. Expect powertrain options to closely mirror those of the coupe, including S550, S63, and eventual S65 AMG models driving the rear wheels or all four. Slotting in above the E-Class Cabriolet, the new convertible S-Class will be Daimler's "first luxury four seater cabriolet since 1971." It'll compete in rather rare company against the likes of the Bentley Continental GTC, Aston Martin DB9 Volante, Maserati GranTurismo Convertible, and even the upcoming new Rolls-Royce Dawn when it arrives. And judging from the timing of this preview rendering's release, we anticipate it'll arrive soon. Related Video:

Comparison test: 2019 Acura RDX vs. compact luxury SUV competitors

Truth be told, if we were to compare the all-new 2019 Acura RDX with those compact luxury crossover SUVs it would most likely be cross-shopped against, you'd be looking at a different list. Even Acura admits that Lexus and Infiniti are the most likely bogies, but with the 2019 RDX, Honda's luxury brand is attempting to attract those customers who think as much with their hearts as with their heads. And for the most part, those folks have been buying from German brands: the Audi Q5, BMW X3 and Mercedes-Benz GLC-Class. So, to show how the new RDX compares to them, Acura actually provided examples of each during the recent press drive along with a Volvo XC60. All were determined to have greater emotional appeal than the last RDX, and we would certainly agree. For, as much as the previous-generation RDX made sense on paper, it was really hard to get excited about it. And when you're paying extra for a luxury vehicle, shouldn't you get a little excited? Well, as luck would have it, Consumer Editor Jeremy Korzeniewski and I were on hand in Whistler, British Columbia, for the press launch. We didn't have an abundance of time in each RDX competitor, but in conjunction with our usual comparison chart, our impressions should provide a good first taste of how the new RDX compares. Performance and fuel economy Contributing Editor James Riswick: On paper at least, the RDX is gutsier than its comparably powered European rivals. It also weighs the same or less, which logically should mean it'll be the quickest in a straight line. During my brief drives, though, I'm not sure it really stood taller than the three Germans. It at least matches them for smoothness, which is something that can't be said about the Volvo. Fuel economy is lower than them all when you consider all but the Mercedes come standard with all-wheel drive. It's also worth noting that all the competitors are available with engine upgrades, and unless Acura's forthcoming resurrection of Type S models includes the RDX, it should stay that way. Consumer Editor Jeremy Korzeniewski: Line 'em all up in a drag race, and I have a feeling the Acura would squirt away to victory. A good bit of that, though, would be due to its 10-speed automatic transmission, which offers a huge spread of ratios and fires off extremely quick shifts. In the real world, I'd guess fuel economy will be similar across the board, so I'm willing to call that category a draw.