Merc-AMG combines with V8 expertise

2017-04-18 06:00
The new Mercedes-AMG GLC 63 4MATIC+ and Mercedes-AMG GLC 63 4MATIC+ Coupé. Photo: supplied

The new Mercedes-AMG GLC 63 4MATIC+ and Mercedes-AMG GLC 63 4MATIC+ Coupé. Photo: supplied

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THE new Mercedes-AMG GLC 63 4MATIC+ and Mercedes-AMG GLC 63 4MATIC+ Coupé occupy exceptional positions in their respective markets on every front.

They are the only vehicles in their segment to be powered by an eight-cylinder biturbo engine. Mercedes-AMG thus meets the wishes of those customers who, also in a mid-size Performance SUV, are looking for a combination of superior power delivery along with a highly emotive, unmistakable engine sound.

“For us, the new GLC 63 4MATIC+ is a quite special vehicle. It is no easy job designing an SUV to be highly sporty and dynamic while at the same time offering inherent extreme driving stability and efficiency.

This required us to put our heart and soul, along with our many years of SUV expertise, into the development of this vehicle.

The result is an SUV that can be driven with high precision and agility and which, if required, is equally at home on a high-speed lap of the race track. With our V8 biturbo engine, we hold a decisive USP in the Performance market.

What is more, with SUV and Coupé, we offer the widest choice in the segment.

Also, the technical closeness to our sports cars is visually underlined by the Panamericana grille, which was previously reserved for our AMG GT models,” says Tobias Moers, CEO of Mercedes-AMG GmbH.

SUV and Coupé are available as basic and S-model variants: the proven AMG 4.0-litre V8 biturbo engine puts out 350 kW or 375 kW with a maximum torque of 650 or 700Nm. The top speed is 250km/h (electronically limited).

The 4.0-litre eight-cylinder biturbo engine is already used in numerous AMG Performance vehicles.

It is also installed in the AMG GT sports car with dry sump lubrication.

A characteristic feature is that the two turbochargers are positioned not on the outside of the cylinder banks, but inside the cylinder “V”.

The main advantages of this design are the compact engine construction, optimal response and low exhaust gas emissions.

One mechanic assembles each engine in the engine shop in Affalterbach according to the “one man, one engine” principle.

The new GLC 63 4MATIC+ and GLC 63 S 4MATIC+ feature the AMG SPEEDSHIFT MCT 9-speed transmission, which made its debut in the Mercedes-AMG E 63 4MATIC+.

The driver benefits from extremely short shift/response times. Fast multiple downshifts and the double-declutching function make for a highly emotive gearshift experience.

A start-off wet clutch replaces the torque converter. This saves weight and optimises the response to the driver’s accelerator pedal input, particularly on acceleration and during load changes.

Thanks to a sporty spring and damper set-up and continuously variable damping, the new three-chamber air suspension system combines exemplary driving dynamics with excellent road roar and tyre vibration characteristics.

The stiffness of the air springs can be adjusted over a wide range by activating or deactivating individual air chambers, making for perceptibly enhanced comfort and handling.

There are three degrees of spring tuning, depending on the selected drive programme and current driving status. The spring rate is hardened automatically in the event of sudden load changes, fast cornering, heavy acceleration or heavy braking, this effectively reducing roll and pitch while stabilising the Performance SUV.

The adaptive damping can be set in three stages – “Comfort”, “Sport” and “Sport Plus” – to choose between relaxed comfort on long journeys and maximum sportiness.

The rebound and compression levels are adjusted independently of each other, and the freely programmable maps permit a wide spread between minimum and maximum damper force.

The difference between the comfortable and sporty suspension settings is made more refined and is clearly perceptible – depending on driving style.

For improved traction and driving dynamics, the GLC 63 4MATIC+ comes with a mechanical rear-axle limited-slip differential, while the GLC 63 S 4MATIC+ uses an electronic rear-axle limited-slip differential.

Both differentials reduce the slip on the inside wheel when cornering, without control interventions by the brakes.

The result: allows the driver to accelerate out of corners earlier thanks to the improved traction.

The vehicle remains more stable when braking from high speed, while the limited-slip differential also improves traction from rest.

Overall, the rear axle has been specially matched to the higher driving dynamics of the new Performance SUVs.

The interior underscores the leadership ambition of the new mid-size Performance SUVs in terms of driving dynamics.

Driver and front passenger are enclosed as standard in sports seats in ARTICO man-made leather, combined with DINAMICA microfibre, which unite excellent lateral support with functional ergonomics tailored to the job of driving.

The SUV and Coupé variants of the Mercedes-AMG GLC 63 4MATIC+ and GLC 63 S 4MATIC+ are also available at launch as an “Edition 1” special model: the exclusive combination of equipment details turn the special model into the flagship of the range. - Supplied.

 

 

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