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Mercedes-Benz unveils its revamped G-Class

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The all-new G-Class makes its public debut at the Detroit auto show in G550 form. Completely redeveloped and fitted with a 4.0-liter V8 biturbo gasoline engine offering 427ps and 450 lb-ft of torque at 2,000rpm to 4,750rpm, despite near-identical looks to its predecessor plenty has changed for the Mercedes-Benz SUV.


Ford’s F150 pickup gets its first diesel motor

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Smart to launch fortwo and forfour

Smart have revealed details of the new smart fortwo. In addition, the smart rear engine concept will be offered for the first time in the new four-seater smart forfour. Drive power is supplied by three-cylinder engines rated at 60ps/45kW, 71ps/52kW and 91ps/66kW, while power transmission is performed by a five-speed manual transmission or the twinamic automatic dual clutch transmission. The new smart models will be launched onto the market in Europe in November.

 

"As Europe's youngest car brand, smart enjoys global success today. No one combines functionality and emotion as well as we do, as the inventors of individual urban mobility. The new smart fortwo and forfour adopt the proven concept while offering more of just about everything – more space, more color, more equipment… and even more fun in the city! Only the vehicle length remains as unique as ever, at 2.69m," says smart boss Annette Winkler. "Our idea based on a total rethink of urban mobility has won through."

"In the planning phase we were clear that we wanted to retain the rear engine for the new smart, so as to continue to exploit the vehicles' strengths to the full in the city," explains Jörg Prigl, head of the compact cars product group at Mercedes-Benz. "On this basis, we then developed the new fortwo and forfour together with our partner, Renault."

 

"Despite increased safety requirements, we have managed to retain the smart fortwo's unique length of just 2.69 metres," adds Markus Riedel, head of development at smart. "It shares its architecture with the new forfour. We have tailored both of the vehicles to the needs of modern-day city traffic. My team is particularly proud of the turning circle, which sets a brand new benchmark at just 6.95 metres for the fortwo."

Two three-cylinder engines will be available for the new smart models at the market launch: the naturally aspirated engine generates 71ps/52kW from a capacity of 999cc. The engine's ample torque from an engine speed as low as 1,000rpm (producing a maximum of 91Nm at 2,850rpm) enables particularly economical driving in high gears, even in urban traffic.

Top of the range is the turbo engine rated at 91ps/66kW. The 898cc engine mobilizes maximum torque of 135Nm at 2,500rpm. The totally new turbocharger features an electronically controlled wastegate, which enables increased engine dynamics in conjunction with a sustainable reduction in fuel consumption. Another distinguishing feature is the automatic stop/start system.

 

Apart from the turbocharger, a whole range of other technical measures also contributes to the engine's excellent fuel efficiency and performance. These include variable swirl control and variable adjustment of the inlet valves. Another defining trait of the all-aluminum three-cylinder engine is the square bore/stroke ratio. A few months after the market launch, a basic petrol engine rated at 60ps/45kW will extend the range.

Both transmission variants are also new for smart: customers can choose between a five-speed manual transmission and the twinamic six-speed dual clutch transmission.

23 July 2014


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