http://Carwp.blogspot.com.br (from Mercedes-Benz Press Release) Following a comprehensive upgrade, the Mercedes-AMG A45 4MATIC opens up a new dimension in vehicle dynamics. With peak output of 280 kW (381 hp) and a maximum torque of 475 Nm, the entry-level model from Mercedes-AMG is the world's most powerful compact sports model. The revised gear ratios, aerodynamic fine-tuning and the new DYNAMIC SELECT driving modes raise overall performance to a higher level, underlining the claim to leadership in this market segment. The compact saloon absolves a sprint from standstill to 100 km/h in 4.2 seconds, 0.4 seconds faster than the preceding model. Maximum traction also on tight bends is ensured by the standard all-wheel drive and the optional front axle differential available for the first time. At the same time fuel consumption has remained as before: no other high-performance model in this class can better its NEDC fuel consumption from 6.9 litres per 100 kilometres (corresponding to 162 g/km CO2).
Mercedes-AMG's entry into the compact class in 2013 exceeded all expectations: the sophisticated A45 immediately took the top position in its market segment. The sporty and exciting driving experience plus an emotionally appealing design immediately impressed the dynamic and individualistic target group, and gained new customers for the sports car brand.
"We never rest on our laurels, but constantly strive to develop our products further," says Tobias Moers, Chairman of Mercedes-AMG GmbH. "The A45 still had so much improvement potential that we felt compelled to realise it to the full. Our brand claim simply obliges us to." The AMG development team intelligently optimised numerous features of the compact bestseller to further enhance the vehicle dynamics and driving pleasure.
Modifications to the transmission, suspension, electronics, design and appointments have turned the compact sports model into a completely new car delivering 280 kW (381 hp) and 475 newton metres of maximum torque to enter dimensions previously the province of higher vehicle classes, and unrivalled by any competitior: 100 km/h is already reached from standstill in 4.2 seconds. This means that the new Mercedes-AMG A45 accelerates 0.4 seconds faster than its predecessor.
Low fuel consumption at the level of the preceding model
At the same time its fuel consumption has been kept at the previous level: no other high-performance model in this class can match its NEDC fuel consumption from 6.9 litres per 100 kilometres (corresponds to 162 g/km CO2). The agile, turbocharged four-cylinder engine combines its power and efficiency to produce a top figure in its class: the output of 141 kW (191 hp) per litre marks a record for a series production four-cylinder engine, and raises the high-performance AMG power unit to the level of thoroughbred super sports cars.
The engine specialists at AMG mainly achieved this increase in power output with a newly configured valve assembly. In addition the combustion processes have been optimised by reconfigured timing and turbocharging. The maximum charge pressure continues to be 1.8 bar.
On the road the turbocharged AMG 2.0-litre four-cylinder engine thrills with extremely fast responses to accelerator movements, high torque, enormous flexibility and an emotional engine note. The exhaust system features an automatically controlled exhaust flap as standard. The emotional appeal of the engine sound can be varied depending on driving mode or at the touch of a button.
From the GT and C 63: The new AMG DYNAMIC SELECT driving modes
Already familiar from the Mercedes-AMG GT sports car and the top-of-the-line C-Class model, the Mercedes-AMG C 63, the DYNAMIC SELECT driving modes "Comfort", "Sport", "Sport +" and "Individual" now also allow the driver of the Mercedes-AMG A45 to preset the handling characteristics according to personal preferences or the driving situation.
Driving mode "Comfort" allows relaxed, non-stressful driving with a subdued engine note and gentle gearshifts. The "sailing" function installed for the first time, plus the ECO start/stop system, help to save fuel. "Sport" mode emphasises agility and driving pleasure, with a sporty engine and transmission configuration. The sound of the turbocharged engine becomes more throaty. In "Sport +" mode the transmission responds even faster to dynamic load changes. The shift strategy of the transmission is optimally modified for the needs of a very sporty driving style - including extremely short shift times, emotional double declutching and faster responses to the accelerator. Over and above the preconfigured modes, the "Individual" driving mode makes it possible to vary individual parameters for the engine, transmission mode and 3-stage ESP® .
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