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Mercedes-Benz engines with 48-volt systems coming in 2017

As part of a big green push announced yesterday, Mercedes-Benz is jumping into the world of 48-volt power. The company will launch a new family of efficient gasoline engines next year and will begin rolling out 48-volt systems with it, likely in its more expensive cars first. Mercedes will use the 48-volt systems to power mild-hybrid functions like energy recuperation (commonly called brake regeneration), engine stop-start, electric boost, and even moving a car from a stop on electric power alone. These features will be enabled through either an integrated starter-generator (Mercedes abbreviates it ISG) or a belt-driven generator (RSG). (RSG is from the German word for belt-driven generator, Riemenstartergeneratoren. That's your language lesson for the day.) Mercedes didn't offer many other details on the new family of engines. There are 48-volt systems already in production; Audi's three-compressor SQ7 engine uses an electric supercharger run by a 48-volt system, and there's a new SQ5 diesel on the horizon that will use a similar setup with the medium-voltage system. Electric superchargers require a lot of juice, which can be fed by either a supercapacitor or batteries in a 48-volt system. Why 48-volt Matters: Current hybrid and battery-electric vehicles make use of very high voltages in their batteries, motors, and the wiring that connects them, usually around 200 to 600 volts. The high voltage gives them enough power to move a big vehicle, but it also creates safety issues. The way to mitigate those safety issues is with added equipment, and that increases both cost and weight. You can see where this is going. By switching to a 48-volt system, the high-voltage issues go away and the electrical architecture benefits from four times the voltage of a normal vehicle system and uses the same current, providing four times the power. The electrical architecture will cost more than a 12-volt system but less than the complex and more dangerous systems in current electrified vehicles. The added cost makes sense now because automakers are running out of ways to wisely spend money for efficiency gains. Cars can retain a cheaper 12-volt battery for lower-power accessories and run the high-draw systems on the 48-volt circuit. The industry is moving toward 48-volt power, with the SAE working on a standard for the systems and Delphi claiming a 10-percent increase in fuel economy for cars that make the switch.

2013 Airstream Interstate 3500 EXT

LA To The Grand Canyon In The Mercedes-Benz Of RVs
Piloting an 8,500-pound motorized house down the highway is far from my idea of fun, yet inexplicably, I'm enjoying myself. My grin has nothing to do with my camper's handling, as this heavily accoutered Mercedes-Benz Sprinter drives like a 25-foot long breadbox. My smile has nothing to do with on-road stability, as the ten-foot-tall, slab-sided vehicle reacts to wind gusts like the vertical stabilizer on a Boeing jet. My delight has nothing to do with its throttle or braking response, either, as both are as numb as your forehead after the eighth beer.
This monstrosity makes me happy for one reason - my passengers are undeniably having a good time.

2021 Mercedes-Maybach GLS 600 First Drive | Fat cat money

ANN ARBOR, Mich. — Do you like the Mercedes-Benz GLS-Class, but just donÂ’t think itÂ’s fancy or expensive enough as it is? Maybe the AMG version is too audaciously sporty or you'd prefer a completely different flavor of garish. Maybe you donÂ’t want to be seen driving the GLS at all. If youÂ’re looking for the perfect GLS to be driven in, but need to make sure you look more like the type of fat cat to blow money on lavish, boozy dinners and decorative fountains than the pro baller who splurges on a home gym and tennis courts, Mercedes finally has the giant SUV just for you: the Mercedes-Maybach GLS 600. Is this tongue-in-cheek straw man in any way indicative of an actual Maybach owner? Who knows. We can barely comprehend how rich someone might be who can afford this $161,525 ultra-luxury SUV (before any options) let alone actually know someone of such largesse. Nevertheless, the GLS upon which it's based is certainly no stranger to us. We first drove the GLS 470 in Austria's Tyrolean Alps, sampled the AMG GLS 63 in the Columbia River Gorge, and nominated its bouncy E-Active Body Control suspension for AutoblogÂ’s 2020 Technology of the Year Award. Most of the same ingredients are present in the Maybach 600, but just one look at this two-tone luxury liner requires you to rethink the scope of what the GLS can do. While the overall body style looks more or less the same, there was no mistaking our tester for an ordinary GLS, or even an extraordinary AMG model. The two-tone paint — Lunar Blue Metallic below, and Iridium Silver Metallic from the beltline up — shouts to passersby (in an aristocratic German accent, presumably) that thereÂ’s something different going on here. The optional wheels, which get their own Maybach design, measure an absolutely massive 23 inches. Perched on the nose is the nearly extinct Mercedes hood ornament. The final giveaway comes when you move in a little closer and see the Maybach badging on the grille, tailgate and D-pillars. But seriously, that paint job is something else. The exterior doesnÂ’t quite do justice to what awaits within. The driverÂ’s door opens to a rich, inviting and clearly technologically advanced cockpit. The dual screen dash housing the instrument panel and infotainment touchscreen is becoming familiar from GLS down to GLA, as are the multitude of controls on the wheel and center console with which one can easily interact with them.