Mercedes Benz 300sd Turbo Diesel 1980 on 2040-cars

Auto blog

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.

Race recap: 2016 Hungarian Grand Prix was the pits

The Hungarian Grand Prix hasn't seen a race this calculated since 2012, when Lewis Hamilton – driving for McLaren – led from pole position to the checkered flag. We don't expect massive action from the Hungaroring, but Hamilton's first win for Mercedes in 2013, the thrilling wet mess in 2014, and Ferrari's surprising dominance in 2015 made us hope for more on-track commotion this year. Hungary denied us that. Hamilton parked his Mercedes-AMG Petronas in second on the grid but stole the lead through Turn 1 and never looked back. Teammate Nico Rosberg yo-yoed behind him in second place, getting into DRS range on a few occasions but never close enough to pass. Red Bull's Daniel Ricciardo kept the leading duo honest, but the Aussie couldn't put genuine fear into the German team and finished third. This is the third year in a row for Ricciardo on the Hungary podium. The pits provided our few scraps of excitement. During a stretch when Ricciardo managed to close on Rosberg, Mercedes told Hamilton to speed up. When Hamilton said he couldn't go faster, Mercedes said they'd pit second-place Rosberg first instead. Suddenly, Hamilton found the extra pace. Ricciardo pitted in early, hoping that fresh tires and fast laps could allow him to pass one or both Mercedes drivers when they pitted, but once Hamilton hit the throttle the Red Bull couldn't respond. Further down the lineup, Jenson Button came in on Lap 5 so McLaren could fix his brake pedal problem. The radio exchange before the stop included one forbidden instruction to Button, though, so the Englishman had to return to the pits for a drive-through penalty. Renault's Jolyon Palmer beat Force India's Nico Hulkenberg in a straight-up pit stop battle on Lap 40, but threw the good work away on Lap 49 with a spin on track that cost him three places. A pit wall miscommunication meant the Force India pit crew wasn't ready for Sergio Perez when the Mexican arrived for his second stop on Lap 43. And Daniel Kvyat's regrettable run at Toro Rosso continued, first with car issues, then a drive-through penalty for speeding in the pit lane. Sebastian Vettel brought his Ferrari home fourth, sniffing Ricciardo's gearbox at the flag but unable to get around the Red Bull. Max Verstappen enacted a replay of the final stages of the Spanish Grand Prix, finishing fifth by holding Ferrari's Kimi Raikkonen behind for 19 laps.

Brabus bringing 900-horsepower Mercedes S65 to Geneva

The S-Class may be the ultimate Mercedes, but what's the ultimate S-Class? Is it the S550? Maybe in some markets, but that's just the starting point in North America. The S600? Getting closer. The Maybach? Sure, if the last word in luxury is what you're after. But if it's performance you crave, then you'll want an AMG version like the S63. But even that's not the flagship. No, in terms of outright power, it all comes down to the S65. It's got a 6.0-liter twin-turbo V12 churning out 621 horsepower and 738 pound-feet of torque, for crying out loud. But Brabus thinks it's still not enough. That's why (alongside the 850-hp S63 coupe) it's bringing a version it calls the Rocket 900 to the Geneva Motor Show this week. To turn the S65 AMG into the Rocket 900, Brabus has bored out the cylinders to total 6.3 liters and fitted larger turbochargers, a new exhaust system, intake module and much, much more. The result is an output increased to 887 bhp and 1,106 lb-ft of torque. Brabus has upgraded the limited slip differential to handle the extra muscle, helping it rocket to 62 in just 3.7 seconds, on to 124 in 9.1 and up to a top speed of 217 Autobahn-crunching miles per hour. The famed Benz tuner has also fitted a carbon-fiber aero kit to keep it from flying away (however unlikely considering the vehicle's approximately 5,000-lb curb weight), along with 21- or 22-inch wheels, a retuned air suspension that drops the ride height over half an inch closer to the road and – we can only hope since the release makes no such mention – upgraded brakes as well to keep it all in check. Brabus also offers a full range of interior enhancements as well, but don't expect any of this to come cheap. As it is, the S65 starts at $222,000, but a turn-key Brabus Rocket 900 goes for 347,719 euros – or about $390k at today's rates. Related Video: World premiere at the 2015 Geneva Motor Show BRABUS ROCKET 900 The new reference for high performance in the luxury class V12 with 662 kW / 900 hp, 1,500 Nm and a top speed in excess of 350 km/h BRABUS ROCKET 900 – that is the new reference for high performance in the luxury class, which celebrates its world premiere at the 2015 Geneva Motor Show. BRABUS (Brabus-Allee, D-46240 Bottrop, phone +49 / (0) 2041 / 777-0, fax +49 / (0) 2041 / 777 111, internet www.brabus.com) builds this super car based on the new Mercedes S 65.