2007 MercedesBenz SLR McLaren 722 Edition | car review @ Top Speed

16 Апр 2015 | Author: | No comments yet »
Mercedes-Benz SLR McLaren 772 Edition


The flawless roads today lead through the next to Dubai are ideal for the pedigree sporting performance characterises the Mercedes-Benz SLR McLaren 722 Dubai is the up-and-coming business of the United Arab Emirates It is the setting for the world’s most construction projects, including the Palm Jumeirah island, and the course of recent decades wealthy sheikhs have avid automobile aficionados. It is flair for the exceptional that the desert city on the Persian and its inhabitants with the Mercedes-Benz SLR 722 Edition premium sports

The new SLR 722 Edition model variant Mercedes-Benz evokes memories of a special victory achieved in by the British motor-racing legend Moss and his co-pilot Dennis at Mille Miglia the classic endurance race behind the of a Mercedes Benz 300 SLR with number 722 (denoting the car’s time of 7.22 a.m.). an impressive output of 478 kW/650 hp, the new SLR 722 Edition super sports car not outperforms its historic forefather, it outstrips the scintillating peak of the current SLR model. The new limited-edition only 150 models are being for the most part handcrafted, at the Formula 1 works in Woking is the response to calls from discerning SLR customers for even sportiness combined with the high level of everyday

At the heart of the SLR 722 Edition is a 5.5-litre V8 assembled by hand at the Mercedes-AMG workshops in Affalterbach, Germany, on the One man, one engine principle. the high-performance powerplant’s major are its exceptionally spontaneous response to pedal movements, high and that unmistakable V8 sound.

with dry-sump lubrication

The entire engine block its enclosed crankcase sump is from cast aluminium. crankshaft is precision-weighted and revolves in bearings made from a material to enable sustained of the tremendous forces emanating the supercharged engine.

The forged are only manufactured in extremely numbers. Just like the lightweight connecting rods, the are measured and weighed with accuracy before being to individual engines. This any mass balancing tolerances to an minimum. The pistons slide extremely durable, wear-resistant, cylinder barrels made a special compound which is only found in race car Twin oil injection is used for piston cooling.

The oil cooling technology employed for the unit as a whole also on the brand’s racetrack experience: a dry-sump lubrication system a capacity of around eleven combines with a five-speed oil pump and a two-speed oil pressure to guarantee reliable lubrication all driving conditions. One important effect of this dry-sump technology, which is again exclusive to race cars, is the engine height can be kept allowing it to be installed deeper in the engine compartment: the result is a low of gravity that fosters handling.

Screw compressor

Efficient cylinder charging is the of a belt-driven compressor with two aluminium rotors that are in the interests of keeping friction In order to keep the engine as efficiently as possible at all times, the AMG have devised an intelligent management system which determines when to deploy the compressor as the engine’s rev speed and change. Consequently, the supercharger is called into action it is really needed. Notwithstanding however, maximum power is available the instant the driver it by opening the throttle.

Apart the compressor, the engine’s electronics all of the other variables which are to its operation. At the same time, ensure optimum operation of the water circuit. After efficient cooling of the charge air is a ingredient for high performance.

The operate based on the extremely air-to-water heat exchanger the air which has been compressed by the causing it to heat up, is directed a separate water circuit to it down again. This the eight-cylinder powerplant to maximise its and torque delivery.

Manual mode for shift times of a race car

High performance has also ingrained into the five-speed transmission, which was developed at Mercedes-Benz and has already featured in a of exceptionally powerful models. It has optimised to enable it to handle the torque on tap and also offers the possibility of varying the gearshift The transmission directs the engine’s to the differential and the rear wheels via a balanced drive train from aluminium and steel.

The of the engine with the gearshift was subject to modification. For each of the selectable transmission modes M and S (Sport) on the one hand and C (Comfort) on the there is now a different accelerator characteristic curve, which has optimised in line with the operating conditions.

The end result is an impressive set of performance figures, by high-end super sports car the SLR 722 Edition completes the sprint 0 to 100 km/h in a breathtaking 3.6 seconds 3.8 seconds), with the speedometer proceeding to pass the 200 km/h in a mere 10.2 seconds 10.6 seconds) and the 300 km/h in just 28.0 seconds 28.8 seconds). Plus, the top of 337 km/h is even higher that of the current SLR (334

New chassis set-up for further handling dynamics

One of the main forces behind the enhanced of the SLR 722 Edition is the retuned chassis. opment work at McLaren’s 1 headquarters was based on the set-up of the proven aluminium chassis, is itself the handiwork of experienced car developers: wheel guidance is the of double wishbones at both the and rear. The bottom links are in such a way that the wheels a negative camber when the compress or when cornering at This guarantees optimum with the road in any situation. the axle technology also the degree of diving and squatting braking heavily and accelerating

The axle’s wishbones are made forged aluminium, while aluminium is used for the wheel This lightweight material a host of advantages compared to steel constructions, including the far response of the suspension and damping results from the reduced

The relatively long wheelbase of millimetres likewise contributes to the handling characteristics, with the notable benefit being the straight-line stability, while the track combines with the low of gravity to enable high speeds.

The chassis construction has the bar positioned above the front where it is controlled via rocker just like on a Formula 1 With this set-up, the bar does not take up any additional space. In this way, the lines of the underside of the vehicle are not which is vital for the sports outstanding aerodynamic characteristics.

In the phase of chassis development for the McLaren 722 Edition, various of chassis parameters, such as and damping, underwent a series of on the Formula 1 dynamometer in Woking. the Mercedes-Benz and McLaren engineers further refinements and finalised the new by performing an extensive series of on the road and, above on the race track.

The stiffer rates and shock absorber of the chassis as well as the lowering of the by 10 mm at both the front and rear are gives the SLR 722 Edition its increased stability and noticeably further handling dynamics. Body on bends has been reduced by 20 percent, allowing the new SLR 722 Edition to at even greater speeds.

New forged aluminium wheels help to improve the handling of the special-edition model, their palladium grey design the car’s motor-racing heritage. lower weight compared to wheels reduces the unsprung making the responsiveness of the SLR 722 Edition all the Plus, the 19-inch wheels larger brake discs a diameter of 390 mm to be fitted on the front Hailing from the Italian Brembo, the new braking system with the carbon-fibre-reinforced ceramic to provide formidable decelerating which is fully in keeping the SLR 722 Edition’s scintillating all-round Exhaustive testing was carried out to a new ESP® control system for new brake configuration.

Mercedes-Benz SLR McLaren 772 Edition

High-tech for exemplary safety and maximum

The high-performance sports car’s bristles with high The entire bodyshell, including the structures at the front and rear, the cell, the swing-wing doors and the is made from carbon-fibre-reinforced (CRP). This lightweight at the same time, extremely material is a technology borrowed the aviation and space travel and has already proven its worth in Formula 1 race cars. the weight-saving of 50 percent that high-tech material represents to steel, it is just as strong, allowed the engineers to focus on the body’s enormous strength.

in the event of an impact, carbon have a specific energy that is some four to time higher than or aluminium. Mercedes-Benz has capitalised on material property by also two 620-millimetre-long side member made from carbon in the front structure of the SLR 722 Edition; are capable of absorbing all of the impact in a head-on collision without the maximum levels of deceleration the occupants are able to withstand. In the of an impact, the fibres of these two tear from front to to crumple in a carefully predetermined and thereby produce a constant of deceleration.

The super sports occupant cell is likewise from this high-tech offering passengers a very and therefore safe survival in an accident. At the rear of the car, the of absorbing energy in a crash to two internal side members from laminated carbon and a sturdy cross member, together ensure that the cell remains virtually The occupant protection system encompasses adaptive front which are deployed in two stages on the severity of the impact, head/thorax and knee bags, as well as belt tensioners and belt limiters.

An aerodynamic work of even more downforce and an cd figure

Around 100 hours of work in the wind tunnel helped boost the performance of the SLR 722 Here the developers performed yet technical masterstroke by increasing whilst at the same time the cd (drag coefficient) figure. all thanks to the air-splitter at the front end of the SLR 722 Consisting of carbon with a finish, the distinctively shaped lip not only enhances aerodynamics, it increases the downforce at the front by 128 percent. Small wheel also finished in carbon, air swirl at the rear axle, for a smoother airflow and optimising feel. The spoilers combine the airbrake at the rear to produce a substantial gain in the downforce at the rear axle of the new SLR 722 Edition. The is even more precise and turn-in at high speeds.

The rear-mounted airbrake is designed to directional stability and braking when the speed exceeds 120 it automatically rises up at an angle has been adjusted in line the extremely dynamic performance of the new If the driver hits the brakes at high speed, the airbrake up into the airstream automatically. dynamic modification increases downforce within a fraction of a thus partially compensating for the axle load distribution braking, which presses the front axle.

A further which contributes to the distinctly configuration is the weight of the SLR 722 Edition, the engineers have managed to by around 44 kg. A lighter oil tank and bodies made from which have the added of improving the vibration response of the masses, contribute to this loss. Last but not least, panelling and insulating materials have a positive effect on the weight. Yet for all these measures, the levels of comfort, safety and that have become hallmarks remain unaffected.

design through and through

In of exterior design, the SLR 722 Edition discreet sporty touches, satisfying the desires of keen drivers and affluent sports-car the core target group to the The new-look 19-inch light-alloy afford a perfect view of the brake callipers and the large discs, emphasising the sheer and performance that underpins aspect of the SLR 722 Edition.

In addition, components in carbon with a finish highlight the close with Formula 1. Plus, the design of the black-painted air outlets on the not to mention the front and rear clusters with their grey surrounds, blend in with the carbon-fibre look. The SLR 722 is available with a crystal grey paint finish creates a vivid impression of and produces an extremely intensive-looking structure.

Moving inside, the sports seats, upholstered in a combination of leather and Alcantara, offer lateral support, while the contrast provided by the distinctive 300 SL red throughout the interior, the 722 insignia on the restraints and the red seat belts is for added visual impact. The material mix comprising semi-aniline and Alcantara, which gives the its characteristic look and feel, features prominently on the roof and door panels. Frequently controls, such as the shift and handbrake lever, are trimmed in moisture-absorbing suede. The sporty philosophy that is at the heart of the SLR 722 is also reflected by the widespread use of throughout the interior. This straight from the world of 1, lends the centre console an puristic look.

The restyled cluster focuses the driver’s on the key vehicle data, comprising round dials with a background. The functionality of the multifunction is given an extra sporty in the form of the AMG RACETIMER. Finally, the paid special attention to the wheel as the key link between and car: with its combined trim, the rim is extremely easy to and helps the driver to stay in control when performing manoeuvres, as do the new aluminium shift

Mercedes-Benz SLR McLaren 772 Edition
Mercedes-Benz SLR McLaren 772 Edition
Mercedes-Benz SLR McLaren 772 Edition
Mercedes-Benz SLR McLaren 772 Edition

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