1. Mercedes-Benz M270 engine
filed M270 engine we will not feel strange, before it is mounted on a Mercedes-Benz B-Class models. Now transformed version is a longitudinal arrangement, set-ups continuation of the original high-power version of 156 horsepower (115 kilowatts) / 5300rpm, the maximum torque of 250 Nm middot; m / 1250-4000rpm.
M270 longitudinally mounted version has a very good technical strength in small-displacement engine camp. Up to five times to achieve a fuel injection nozzle and a piezoelectric fuel can be continuously released in a four millisecond spark multiple spark ignition system is in a stroke BlueDIRECT core technology, it is possible to better enhance the combustion efficiency, improving the vehicle emissions and economy. It is also because the existence of these two technologies, making this turbocharged engine can do 10.3 compression ratio (usually turbocharged engine compression ratio of 10 or less), without fear of knocking, better enhance the efficiency of the gasoline engine.
small inertia of the turbine engine itself plus a short-stroke design (bore 83 mm / stroke 73.7 mm) gives a good engine response characteristics, from start to 1250rpm peak torque output. Single output power from the point of view, this engine compared to the same displacement of 1.6T engine is not eye-catching on the data, but its economy and emissions performance, has a clear advantage.
smooth cylinder wall, piston rings optimized, the asymmetric carbon coating surface of the piston skirt and so can reduce the friction loss in the engine, which helps reduce fuel consumption and carbon dioxide emissions, the engine between 136g-147g per kilometer of carbon dioxide emissions.
In addition to the above-described several techniques, M270 Edition also uses the vertical position of the variable displacement oil pump and the start-stop system. The variable displacement vane pump may be provided in accordance with an appropriate amount of oil of the engine speed and load, to avoid excessive energy waste oil pump. Start-stop system will make a short stop in conditions (such as a red light)Temporarily turn off the engine, release the brake pedal time and restart the engine to avoid fuel consumption at idle parking.
● outset shoulder the mission of the vertical position
Mercedes-Benz has two new platforms that tap MFA platform and MRA longitudinally mounted platform. Benz M270 engine originally mounted in class B, and 7G-DCT gearbox with (tap). But in the design period it has taken on the mission of the vertical position, the platform is now used in a vertical position with the 7G-Tronic gearbox with a mission to be accomplished. An engine can be applied to transverse and longitudinally mounted platform, which is also reflected in the official Mercedes-Benz modular strategy.
M270 engine early in the design on the shoulders of the vertical position of the mission, now that it has completed the task. In an engine without changing the structure of the body may be mounted transverse and vertical position, which is the Mercedes-Benz modular strategy. From the firm’s point of view, which saves cost and quickly generate new products, improve the adaptability to respond to market changes; from the consumer point of view, the main structure of the same engine, engine parts can be common, potentially also reduce By the late spending.