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GT C Roadster
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  Mercedes-AMG GT C Roadster      

  Article Image gallery (20) Specifications  
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Country of origin:Germany
Introduced in:2017
Introduced at:2016 Paris Motor Show
Internal name:R190
Source:Company press release
Last updated:September 16, 2016
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Click here to download printer friendly versionBoth Roadsters are quickly transformed from coupés to open-top sports cars. The fabric roof opens and closes in around eleven seconds, and can do this at speeds of up to 50 km/h. The three soft top colours black, red and beige can be chosen to suit the eleven exterior and ten interior colours. The three-layered fabric soft top is supported by a magnesium/steel/aluminium structure of low weight, which helps to keep the centre of gravity low. Additional rollover protection is provided by an integrated aluminium cross-member with rollover bars.

With the AMG GT C Roadster, Mercedes-AMG is introducing a further output level of the 4.0-litre V8 biturbo, thereby underlining the exclusive character of the new model. At 410 kW (557 hp), the peak output is 35 kW (47 hp) above that of the AMG GT S and 20 kW (28 hp) below the Mercedes-AMG GT R. The maximum torque of 680 newton metres is available from 1900 to 5750 rpm. A sprint from zero to 100 km/h is absolved in 3.7 seconds, and this fulminating acceleration only ends at the top speed of 316 km/h.

The AMG GT Roadster has an output of 350 kW (476 hp) and 630 Nm of torque. This variant accelerates to 100 km/h in 4.0 seconds, and has a top speed of 302 km/h.

The eight-cylinder engine thrills with its immediate response, a linear, finely controllable power delivery and powerful acceleration in all rpm ranges. The AMG 4.0-litre V8 comes with well-proven twin turbocharging, with the two chargers not located outside on the cylinder banks, but rather between them in the V of the cylinders. The advantages of the "hot inner V": a compact engine design, spontaneous response from the turbochargers and low exhaust emissions thanks to optimum air flow for the close-coupled catalytic converters.

The developers have also adapted the seven-speed dual clutch transmission in a transaxle arrangement at the rear axle to the new power level of the Mercedes-AMG GT C Roadster by modifying the hardware and software. The first gear of the AMG SPEEDSHIFT DCT 7-speed sport transmission has a higher ratio, while seventh gear and the final drive have a lower ratio. This makes for even more agile acceleration and very fast responses to sudden accelerator movements.

The driver is able to set the AMG GT Roadster to his/her individual requirements using the AMG DYNAMIC SELECT controller. The three transmission modes "C" (Comfort), "S" (Sport), "S+" (Sport Plus) and the individually programmable setup "I" (Individual) allow a broad range of driving experiences from comfortable to very sporty.

The transmission mode "RACE" is additionally available for the Mercedes-AMG GT C Roadster. This mode optimally adjusts the shift strategy of the dual clutch transmission to the needs of the racetrack - very fast shift speeds and highly emotive engine sound are included. By pressing the separate "M" button in the centre console, the driver can activate the manual transmission mode in any drive mode.

The AMG GT C Roadster is equipped with the AMG performance exhaust system as standard to obtain an even more emotive sound experience. Two variably adjustable flaps modulate the exhaust note of the Mercedes-AMG GT C Roadsters authentically and directly. The flaps open and close depending on the selected AMG DRIVE SELECT mode, although they can also be controlled individually using a separate button in the AMG DRIVE UNIT. In the "Comfort" and "Sport" settings, the low-frequency sound typical of a V8 is designed for comfort. In "Sport Plus" and "RACE" modes the sound composition is far more emotive. The variable AMG performance exhaust system is also available as an option for the Mercedes-AMG GT Roadster.

The two AMG Roadster variants have adopted a special technical highlight from the AMG GT R: the active air management system. Vertical louvres located in the lower area directly behind the front fascia can be opened and closed by an electric motor in around one second. This ensures that the cooling performance is according to need. Always achieving the optimum position requires highly intelligent and fast control.

During normal driving with no increased cooling requirement, the louvres are closed to reduce aerodynamic drag and specifically conduct the air to the underbody. Only when certain components reach predefined temperatures and the air requirement is particularly high do the louvres open to allow the maximum cooling airflow to the heat exchangers.

From the expressive AMG Panamericana grille to the long, muscular bonnet and the wide rear end, the two-seater guarantees a pure sports car experience even when stationary. The striking AMG Panamericana grille underlines the motor racing heritage: 15 chrome-plated, vertical bars echo the look of the current Mercedes-A MG GT3 customer sports racing car. The new front apron emphasises the car's width and gives it a four-square appearance on the road. The large outer air inlets ensure the supply of cooling air to the engine. The pronounced shoulder is suggestive of a tensed muscle, and enhances the impression of sheer power and dynamism in combination with the new 19-inch and 20-inch AMG light-alloy wheels in a 5-twin-spoke design.

The rear end also features numerous, conspicuous innovations. The new aluminium side walls of the AMG GT C Roadster widen the open-top two-seater by 57 millimetres compared to the AMG GT Roadster. This is exactly the width of the AMG GT R. Compared to the AMG GT Roadster, the muscular form also creates space for the larger wheels and a wider track. Both measures make for traction while allowing higher cornering speeds. The likewise wider contours of the AMG GT C Roadster's rear apron also improve the airflow at the rear with their large outer air vents. Both Roadster variants feature an aerofoil integrated into the boot lid. This is electrically extended and retracted at defined speds, depending on the selected transmission mode.

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  Article Image gallery (20) Specifications