In a departure from the automatic gearbox used in less powerful GLC models, it also boasts a double declutching function and remains in the selected gear without changing up at maximum revs in sport plus mode.
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The GLC43’s 4Matic four-wheel drive system has been tuned to deliver a distinctly rear-biased distribution of drive, with 31 per cent delivered to the front axle and the remaining 69 per cent sent to the rear.
AMG claims its latest model hits 62mph from standstill in 4.9sec. This is 2.4sec faster than the current performance leader of the GLC line-up, the 201bhp turbocharged 2.0-litre four-cylinder petrol powered GLC250. Top speed is limited to 155mph.
Early information released by Mercedes-Benz also quotes combined cycle consumption of 34.0mpg, providing the GLC43 4Matic with average CO2 emissions of 189g/km.
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Underpinning Mercedes-Benz’s new performance SUV is a revised version of the standard GLC’s optional air body control suspension, featuring air springs and adaptive damping across three modes: comfort, sport and sport plus. It also receives 19-inch wheels shod with a combination of 235/55 profile front and 255/50 profile rear tyres as standard.
As with the SLC43, C43 Coupe 4Matic, C43 Convertible 4Matic as well as the more powerful E43 4Matic, the GLC43 4Matic also receives a reworked chassis boasting new steering knuckles and load bearing joints up front as well as unique spring, damper and bushing tuning.
Further changes are centred around the speed sensitive electro-mechanical steering, which receives unique tuning and, as with standard GLC models fitted with the Dynamic Select function, the choice of two modes: comfort and sport. The brakes have also been upgraded, with 360mm steel discs featuring up front and 320mm discs fitted at the rear.
An AMG-developed body kit helps to visually differentiate the GLC43 4Matic from its lesser siblings. Included is a more aggressive looking front bumper with larger air ducts, prominent kick plate and characteristic blade grille. There are also black exterior mirror housings, tread plates under the doors, a spoiler element atop the tailgate, restyled rear bumper and four integrated trapezoidal shaped tail pipes.
Inside, the new Mercedes-Benz model adopts a similar list of upgrades as other recent new AMG models, including a revised instruments, a flat bottom multi-function steering wheel and sport seats.