Mercedes-AMG GLE 63 4MATIC+ Coupé details unveiled

Feb 19, 2020   Features

The new Mercedes-AMG GLE 63 (S) 4MATIC+ Coupé combines numerous vehicle personalities in one model. At the heart of the Performance SUV Coupé is the AMG 4.0-litre V8 biturbo engine, which has been electrified here with an EQ Boost starter-alternator and a 48-volt on-board electrical system to deliver a particularly immediate response at start-up.

The base model delivers an output of 420 kW (571 hp), the S variant an impressive 450 kW (612 hp). Impressive agility is guaranteed by the AMG RIDE CONTROL+ air-sprung suspension with AMG ACTIVE RIDE CONTROL roll stabilisation on a 48-volt basis, the fully variable AMG Performance 4MATIC+ all-wheel drive and the AMG SPEEDSHIFT TCT 9G 9-speed automatic transmission.

 

The AMG-specific radiator grille visually accentuates the Coupé's membership of the AMG model family. And of course this versatile athlete still also offers all the advantages of a Mercedes SUV: a comprehensive range of safety features and effortlessly superior traction even on a damp or sandy surface and in winter road conditions.

 

"Our new GLE 63 Coupé rounds off our attractive portfolio in this segment. It meets the highest expectations in terms of design and exclusivity as well as excellent driving dynamics and agility. Thus, our latest Sports Utility Coupé (SUC) is an outstanding example of Performance Luxury made by AMG. In addition to that, even our GLE Coupé disposes of a 48 volt on-board electrical system connected with the EQ Boost starter-alternator which makes us drive the electrification of our model series in a consistent way,” said Tobias Moers, Chairman of the Board of Management of Mercedes-AMG GmbH.

 

The design idiom of the exterior is the embodiment of hallmark AMG Driving Performance. Membership of the Affalterbach model family is obvious at first glance thanks to the AMG-specific radiator grille in high-gloss chrome. The stylish and striking coupé silhouette makes for a self-assured appearance, with design lines that clearly convey the passion for performance. As a typical feature of the Performance models, the front apron in a dynamic jet-wing design is painted in the vehicle colour and has black air intakes. Imposing powerdomes in the bonnet and the front splitter in silver chrome emphasise the sharper coupé design all round.

 

The typical look and feel of the brand is continued in the high-quality interior of the GLE 63 Coupé, which is characterised by a resolutely sporty ambience with a dynamic and exclusive flair. The AMG seats are upholstered in nappa leather, provide optimum lateral support and have an AMG-specific seat pattern layout with an "AMG" badge in the front backrests. Other leather variants are optionally available. The S variant is further identified by its grey seat belts and contrasting topstitching in the seats in silver grey. Individually adjustable ambient lighting comes as standard.

 

The 4.0-litre V8 biturbo engine in the new GLE 63 Coupé is fitted in both output variants (420 kW/571 hp and 450 kW/612 hp) with an integrated EQ Boost starter-alternator. It combines a starter motor and an alternator in a single, powerful electric motor compactly integrated between the engine and the transmission. The additional 16 kW (22 hp) of output plus 250 Nm of torque which can be called upon temporarily not only enable more spontaneous moving-off characteristics. This is because moreover, this innovative component supplies the 48-volt on-board electrical system, is used as a power generator and also performs hybrid functions. These include boost, recuperate, load point shift and the virtually imperceptible restarting of the engine with the start/stop function.

 

The AMG 4.0-litre V8 engine works with the well-proven twin turbocharging, where the two exhaust-gas turbochargers are arranged not on the exterior, but between the cylinder banks. The advantages of the "hot inside V" are the compact engine design and the immediate response of the exhaust-gas turbochargers. These are implemented using twin-scroll technology to make optimum use of the exhaust gas flow and improve the response even further.

 

For increased efficiency, Mercedes-AMG has also equipped the V8 engines with cylinder deactivation. In the partial-load range, cylinders two, three, five and eight are deactivated, which crucially reduces the fuel consumption. When the driver has selected the "Comfort" drive program, the cylinder deactivation system is available in the wide engine speed range from 1000 to 3250 rpm.

 

A special display in the instrument cluster indicates whether the cylinder deactivation system is in use and whether the engine is presently operating in four or eight-cylinder mode. The transition between these two operating states is immediate, fast and torque-neutral, so the passengers do not have to relinquish any comfort.

 

In the more powerful S variant, the eight-cylinder has active engine mounts. They resolve the conflicting aims of achieving as soft a connection as possible to the powertrain for high comfort, and as rigid a connection as possible for optimum driving dynamics, by steplessly and quickly adapting their rigidity to the respective driving conditions.

 

The AMG-specific configuration for high vehicle dynamics is greatly assisted by the active roll stabilisation system ACTIVE RIDE CONTROL on a 48-volt basis. This precisely compensates body movements. The result is that even in sporty situations near the limits, the handling remains precisely controllable and extremely direct.

 

The system uses two independently operating, electromechanical actuators at the front and rear axles, each with an integrated planetary gear. This means that the stabilisation system not only reduces body roll when cornering, but also allows more precise tuning of the cornering and load cycle properties. In addition, it increases ride comfort when driving in a straight line because stimuli by one-sided road bumps are balanced out, for example. Body movements can be actively and optimally adapted to the driving status, which intensifies the driving experience.

 

Another benefit compared with the usual hydraulic-based systems is the significantly faster response. The AMG control system can adapt the driving status to the conditions within milliseconds. A further aspect is the low weight of the components compared with hydraulic solutions.

 

The seven DYNAMIC SELECT drive programmes Comfort, Sport, Sport+, Individual, RACE (exclusive to the S variant of the GLE 63 Coupé), Trail and Sand allow a very varied driving experience with a wide spread between maximum comfort and agile sportiness. The modes modify key parameters, such as the response of the engine, transmission, suspension and steering.

 

The SPEEDSHIFT TCT 9G transmission is specially tuned to the requirements of the eight-cylinder engine in the GLE 63 Coupé. The systematic further development of hardware and software has made it possible to further optimise the reaction times. This means that automatic and manual shift commands can be implemented more quickly than ever before. Various reinforcement measures also ensure durability and performance with the high torque generated by the V8 engine.

 

The extensively tailored software enables extremely short shift times and fast multiple downshifts and delivers an especially emotive gearshifting experience thanks to the double-declutching function. Gear changes are performed with no interruption in tractive power. Dynamic acceleration and very short shift times are just as available as a fuel-efficient driving style ‑ depending on the selected mode.

 

The standard AMG RIDE CONTROL+ air suspension and the adaptive damping adjustment ADS+ (Adaptive Damping System) configured for the characteristics of an SUV combine outstanding agility and excellent vehicle dynamics with maximum traction and superb day-to-day comfort. The damping characteristics can be preselected in three stages - "Comfort", "Sport" and "Sport+", allowing a much more obvious distinction between high long-distance comfort and sporty vehicle dynamics.

 

The innovative MBUX control and display concept is a standard feature of the GLE 63 Coupé, creating an even closer bond between the vehicle, driver and passengers. At the same time, the latest version of the infotainment system contributes to the great day-to-day practicality. Emotive displays such as the particularly striking Supersport mode with a central rev counter and 3D-look scales lend visual depth to the instrument and accentuate the exclusivity.

 

Only the GLE 63 S 4MATIC+ Coupé will be available in the UK. It’s due to go on sale in spring, while UK pricing and specification - including technical data – is still to be confirmed.

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