Thursday, June 20, 2019

Built To AMG Lightweight Construction Principles

2014 Mercedes-Benz CLA-Class AMG - 블로그
At the 2014 New York Auto Show, the Mercedes-Benz S-Class Coupe lineup adds a new performance-tuned variant designed to deliver greater power, performance, and prestige. To achieve those mandates, the new 2015 Mercedes S63 AMG Coupe is equipped with a more robust powertrain, several hardware enhancements, and numerous changes intended to make it the most capable S-Class Coupe available. Starting with the changes under the car's hood, Mercedes installs a 5.5-liter, twin-turbocharged V-8 engine into the new S63 AMG Coupe. It generates 577 horsepower and 664 lb.-ft. 41 horsepower and 74 lb.-ft. CL63 AMG model it replaces. A 7-speed AMG SpeedShift sport transmission with Controlled Efficiency, Sport, and Manual driving modes puts the power to all four of the S63 AMG Coupe's wheels through a standard 4Matic all-wheel-drive (AWD) system. In this car, the 4Matic system splits the power 33% to the front wheels and 67% to the rear wheels.


Mercedes says that an Eco start/stop system is also standard for the 2015 S63 AMG 4Matic Coupe, but you're likely more concerned with performance data than you are fuel-economy estimates. According to Mercedes, the S63 AMG 4Matic Coupe accelerates to 60 mph in 3.9 seconds on the way to a top speed of 186 mph. Additional hardware upgrades include an AMG sport exhaust system that is calibrated to deliver a louder note in Sport and Manual driving modes, an adaptive damping AirMatic suspension, and an AMG high-performance composite braking system. Options include AMG ceramic brakes and 20-in. forged aluminum wheels. Built to AMG Lightweight Construction principles, the new 2015 Mercedes S63 AMG 4Matic Coupe is 140 lbs. CL63 AMG, tipping the scales at an estimated 4,400 lbs. AMG aerodynamic styling, unique AMG detailing, and a more contemporary typography for the nomenclature summarize the exterior highlights, while the car's interior features new AMG sport seats with heating, ventilation, and memory, wrapped in premium leather with contrast piping. A unique 3-spoke AMG steering wheel is covered in perforated leather and equipped with aluminum shift paddles, and the driver faces special AMG TFT high-resolution instrumentation. As is true of the S-Class Coupe upon which it is based, the S63 AMG Coupe features a new touchpad COMAND infotainment system. When the S63 AMG Coupe goes on sale in the fall of 2014, Mercedes-Benz will offer a limited-production run of Edition 1 models dipped in Magno Alanite Grey matte paint. This version of the car will also feature Swarovski crystals in LED headlights, Bengal Red/Black exclusive leather with contrasting stitching and piping, extended premium leather for various parts of the interior, a Dinamica headliner, AMG Ceramic Braking System, and more. Prices for the 2015 Mercedes S63 AMG Edition 1 model and other variants of the car will be announced closer to its arrival in showrooms.


In fact the new engine will tolerate a proportion of ten percent (B10). The exemplary, long oil-change and service intervals of the Sprinter remain unchanged with the introduction of the new engines. The intervals continue to be 40,000 km for oil-changes and 80,000 km for servicing. These intervals are flexible, and are monitored by the standard ASSYST service computer. Depending on the operating profile, the intervals can be extended by up to 10,000 km. One of the major advantages with respect to reliability, durability and therefore costs is the duplex chain camshaft drive. The new engines in the OM 651 series will initially be introduced in Sprinter versions registered as trucks. Introduction for models registered as passenger cars will follow. The previous engines remain available for markets which are not introducing Euro 5 for vehicles above 3.5 t gross vehicle weight in the autumn. With its brilliant technology, the three-litre OM 642 V6 engine - the only six-cylinder unit in Europe equipped with a six-cylinder unit - is one of the masterpieces of Mercedes-Benz engineering. This undersquare engine (bore x stroke 83 x 92 mm) is based on an aluminium crankcase with a V-angle of 72 degrees.


Thanks to offset crankshaft crank pins and a balancer shaft, this engine runs more smoothly than any other diesel in its class. Other technical highlights include four overhead camshafts driven by a duplex chain and common-rail injection with piezo-electric injectors and eight-hole nozzles. The latest version of this engine achieves the Euro 5 emission standard with a slightly increased output of 140 kW (190 hp) and a significantly higher maximum torque of 440 Nm. At the same time fuel consumption has been significantly reduced. Further developments in the V6 also include a rail pressure of up to 1800 bar and an electronically controlled viscose fan. A particulate filter continues to be standard equipment. The electronically controlled viscose fan operates in conjunction with the air conditioner, and is automatically activated when needed. The lower activation frequency due to the new control system means a lower fuel consumption and lower noise emissions.

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