2012 MercedesBenz SLK 55 AMG

20 Мар 2015 | Author: | No comments yet »
Mercedes-Benz SLK 250 AT Special Series

155 mph (electronically limited)

(from Press Release) The new SLK 55 AMG: Top in all disciplines

Affalterbach – The Mercedes-Benz SLK 55 AMG is the powerful SLK of all time. Its newly AMG 5.5-litre V8 engine featuring shut-off combines the ultimate in with the lowest possible consumption. With a peak of 310 kW (422 hp) and maximum torque of 540 Nm, the SLK 55 AMG all of its direct competitors. Its fuel of 8.4 litres per 100 kilometres (NEDC and CO2 emissions of 195 grams per kilometre are 30 percent lower than of its predecessor. High levels of dynamics are ensured thanks to the AMG suspension with Direct-Steer Torque Vectoring Brakes and ESP®, as well as the AMG high-performance system. A particularly appealing to the range is the SLK 55 AMG Edition 1.

Forming of the third-generation of the SLK launched in March, the new range AMG model already its individuality even at first distinctive AMG light-alloy wheels, AMG bodystyling with AMG spoiler lip and two twin tailpipes at the rear the classic roadster proportions, adding a markedly athletic The expressive design of the SLK 55 AMG is both and unmistakable.

The SLK 55 AMG is the perfect embodiment of the new AMG claim of Driving Performance: in the high-performance roadster segment is nothing to compare to its combination of driving dynamics, superior unique high-technology and low fuel The SLK 55 AMG accelerates from zero to 100 in 4.6 seconds, and reaches a top speed of 250 (electronically limited).

The world’s fuel-efficient V8 engine combines the consumption figures with the power delivery and the typical experience which only a eight-cylinder engine can provide.

In with its AMG Performance 2015 with the new V8 unit Mercedes-AMG is its promise to continue to reduce the fuel consumption and emissions of new over the next few years – reaching new heights with the brand claim of Driving At the same time, AMG is also its social responsibility with the

New naturally aspirated eight-cylinder related to the V8 biturbo

The new M152 is on the AMG M157 5.5-litre V8 biturbo presented in 2010, which the E 63 AMG, CLS 63 AMG, S 63 AMG and CL 63 AMG. design features are identical, as the displacement, bore/…, distance cylinders, start/stop system and petrol injection technology. features versus the M157 the new intake air ducting, new cylinder the modified valve drive, an oil supply system and an optimised

Exclusive combination of advanced

The high-tech M152 powerpack with a combination of advanced which is unequalled anywhere in the No other petrol engine direct injection at a pressure of 200 spray-guided combustion and piezo all in conjunction with map-controlled shut-off, an all-aluminium crankcase spectacle honing, four-valve with continuous camshaft a high compression ratio of 1, a start/stop system and generator – while revving to a maximum of over 7000 rpm. All of measures lead

to high efficiency, which is a precondition for fuel efficiency and low exhaust Moreover, deciding in favour of a naturally-aspirated eight-cylinder unit cylinder shut-off resolves the of aims between high delivery and low fuel consumption

AMG Cylinder Management

It is the AMG Cylinder cylinder shut-off system in – completely newly developed by — that significantly efficiency: cylinders two, five and eight are cut off under load, which lowers consumption considerably. In similar this technology is also in the approx. 750 hp V8 engines used in 1. As efficiency also plays a role at the pinnacle of motor two or four of the eight cylinders are cut off when cornering at slow in the Safety Car phases or for pit stops. a fuel consumption of 8.4 litres per 100 km and CO2 of 199 grams per kilometre (NEDC the naturally-aspirated AMG V8 engine comes in at or the level of its competitors, however are unable to match either the or torque of the SLK 55 AMG – and above all, do not use large-displacement eight-cylinder engines.

The cylinder shut-off function is over a wide engine range from 800 to 3600 rpm if the has selected transmission mode C – Efficiency. The AMG main menu in the cluster informs the driver cylinder shut-off is active, and the engine is currently running in or eight-cylinder mode. No less 230 Nm of torque is still available in mode – enough power to plenty of acceleration in most situations. As soon as the driver has a for more power and leaves the load range, cylinders three, five and eight are The switch from four to operation is immediate and imperceptible, to no loss of occupant comfort At an engine speed of 3600 rpm the process takes no more 30 milliseconds.

Valves closed, delivery and ignition deactivated

is made possible by intelligent within the highly effective management system, with 16 compensating elements and a complex oil system in the cylinder head. The elements are integrated into the head, and keep the intake and valves of cylinders two, five and eight closed cylinder shut-off is active. At the time their fuel and ignition are deactivated. This not enables the load-change losses of the deactivated cylinders to be reduced, but increases the efficiency of the four cylinders. This is because the point is transferred to the higher range. The compensating elements are and lightweight, allowing taut train operation and engine up to 7200 rpm.

All-aluminium with Silitec cylinder

The crankcase of the new AMG 5.5-litre V8 engine a diecast all-aluminium construction. The low engine weight of just 187 is the result of uncompromising lightweight methods. The bearing covers for the crankshaft bearings are of grey iron, and are bolted to the crankcase, as as on the sides, for high rigidity.

The rings are carbon-coated to minimise friction and optimise the wearing Cast-in Silitec cylinder ensure low friction for the eight So-called spectacle honing is measure to reduce friction and fuel consumption: in this and complex process, the cylinder receive their mechanical treatment when already in place. As honing would no be possible with the cylinder installed, a jig resembling spectacles is to the crankcase. The cylinder liners as if the cylinder head were in and are only then given mechanical surface treatment. As a any static distortion of the cylinder caused by tightening the cylinder bolts can be completely eliminated.

measures to optimise efficiency:

• cast aluminium pistons special piston skirt

• special ventilation holes in the

• oil pump with electrically pressure stage

• separate oil for cylinder shut-off as a controllable, vane cell pump

• cooling on the particularly efficient principle

• electronically controlled pressure, fully variable and between 100 and 200 bar

The forged crankshaft of 38MnS6BY steel alloy in five main bearings, has counterweights and has been optimised respect to torsional rigidity, low rotating masses and a long life. A two-mass viscous mounted at the front reliably vibrations. Each connecting rod on the crankshaft carries two forged, connecting rods.

Four-valve technology with camshaft adjustment

Perfect of the combustion chambers is ensured by intake and exhaust valves, of there are four per cylinder. The valves, which are subject to thermal loads, are hollow and Four overhead camshafts the 32 valves via low-maintenance, low-friction cam The infinitely variable camshaft within a range of 40 degrees on the and exhaust sides depends on the load and engine speed, to high output and torque This also results in idling at a low speed. Depending on the speed, valve overlap can be for the best possible fuel/air to the combustion chambers and efficient of the exhaust gases. The variable adjustment is carried out hydraulically via pivoting actuators. These are actuated and controlled by the engine unit. The camshafts are driven by high-performance silent chains, have considerable advantages in of noise comfort compared cylinder roller chains.

Efficiency start/stop function as

The Controlled Efficiency start/stop further contributes to the low fuel This system is standard on the SLK 55 AMG, and active in the fuel transmission mode C. Once the comes to a halt e.g. at a red light, the V8 engine is automatically off. Once the brake is released or the accelerator is depressed, the is immediately restarted and the car is able to off quickly. Intelligent technology a comfortable and immediate starting a crankshaft sensor which the direction of rotation registers the position of all eight pistons. For an engine start, the cylinder the most favourable piston receives an injection of fuel its combustion chamber. The precise injectors greatly assist process, as they make fast starts possible. The always starts in eight-cylinder

A framed ECO symbol in the AMG main shows the driver that the Efficiency start/stop function is When cylinder shut-off is the driver is informed by the symbol while ECO8 stands for operation. In the two more performance-oriented modes S (Sport) and M (Manual), the function is always deactivated. If the driver can also switch it off in C mode as well. In this neither a start/stop nor an ECO symbol

Generator management helps to fuel

A generator management makes a further contribution to economy: whenever the V8 engine is on the or when braking, kinetic is used to charge the battery than being wasted as in the usual way. In all other modes a combination of onboard and generator management enables the to be kept at a low voltage. This the load on the engine and makes for savings of around 0.15 per 100 kilometres according to the NEDC and up to 0.2 litres per 100 km in city traffic its frequent overrun and braking

New AMG sports exhaust system integrated exhaust flaps

For the time AMG is using a sports system featuring an exhaust on each side. This resolves the conflict of aims an emotional sound when in a sporty manner and a more engine note in the partial range. The main focus of the design was on achieving a perfect of perceptible dynamism and the long-distance that is a hallmark of Mercedes.

of the two rear silencers has a flap is variably activated on a logic-controlled depending on the driver’s power and the engine speed. At low loads and speeds below 2000 rpm the remain closed. This the exhaust gases to cover a distance and flow through an damping element, so that the sound is pleasantly subdued and frequencies are effectively suppressed – in a harmonious sound impression in four-cylinder operation when shut-off is active.

When the driver accelerates, the open at an angle of 15, then 30 and up to 50 so that some of the exhaust cover the longer, acoustically distance and some the shorter This produces a sonorous note. Under full at higher engine speeds in mode, both flaps are opened so that the occupants are to enjoy the decidedly muscular typical of an AMG V8. In short, they are in no doubt about the performance of the 310 kW (422 hp) naturally aspirated AMG engine.

The two-pipe AMG sports system with two chromed tailpipes has a pipe diameter of 65 from the manifolds to the pre-silencer. The is reduced to 60 millimetres from the to the rear silencers.

Effective technology with new catalytic boxes

Low exhaust emissions, with country-specific standards and a engine sound – the requirements for the system of the new, naturally AMG 5.5-litre V8 engine were and complex. The SLK 55 AMG complies with the Euro-5 emission standard, as as meeting all the requirements of the US market standard, On-Board Diagnosis

Air gap-insulated manifolds ensure a catalytic converter response. For and to save space, this has a tandem catalytic converter on each side of the vehicle: to the firewall, two thin-walled ceramic are grouped into each This solution makes the additional underbody catalytic unnecessary. The two ceramic substrates to ensure rapid and efficient control: the front one is coated palladium, while the rear one has a coating of palladium and rhodium. One sensor per row of cylinders is located in of each catalytic converter and there is a lambda diagnostic between each of the two thin-walled

Highly variable: the AMG SPEEDSHIFT 7G-TRONIC

Power is transferred to the wheels by means of the AMG SPEEDSHIFT 7G-TRONIC automatic transmission features three transmission Controlled Efficiency (C), (S) and Manual (M). The automatic function when downshifting as as the brief, precisely defined of ignition and injection when under full load shifting times and increase appeal when adopting a driving style. A double torsional damper with pendulum which adapts to speed helps to minimise in four-cylinder operation and enhances the of comfort experienced by the vehicle

Perfect combination: highly driving style and comfortable

The AMG sports suspension with Vectoring Brakes and AMG Direct-Steer provides both impressive dynamics as well as agile Looking for a highly dynamic style or comfortable cruising? The new SLK 55 AMG is to offer both. Independent struts with stiffer tuning, torque strut on the front axle featuring rigidity, stiffer stabilisers all as well as a more negative on the rear axle result in cornering speeds and a low body in fast S-shaped bends.

In cornering conditions, the Torque Brakes produce a defined movement of the vehicle about the axis in fractions of seconds, selective brake actuation at the wheel on the inside of the bend. results in the SLK 55 AMG steering into the precisely and under full without any compromises where is concerned. Complementing this perfectly is the AMG Direct-Steer system: it handling and agility compared the standard steering, whilst reducing the amount of physical required when parking. A new steering pump helps to fuel consumption. The reason this: the power assistance for the only requires energy the driver is actually steering. In the AMG Direct-Steer system has a parameter adapted to match the AMG sports This results in optimum from the central position, road feel and dynamic in all driving situations.

The AMG-exclusive 3-stage ESP® individual control strategies at the of a button: the ESP® button in the console allows the driver to between ESP ON, SPORT Handling and ESP OFF. The AMG high-performance brake has internally ventilated and perforated discs on all wheels, measuring 360 x 36 mm at the and 330 x 22 mm at the rear. The system is characterised by responsiveness, short stopping and excellent fatigue strength.

AMG Handling package for even driving dynamics

The optionally AMG Handling package enhances the sportiness even further. It an AMG Performance suspension with tuning, an AMG rear axle lock, composite brake at the front and a three-spoke AMG Performance wheel finished in nappa with Alcantara® inserts in the areas.

Unmistakable: uniquely design and appointments

Classic proportions with typical AMG characteristics as well as a hint of the SLS AMG – are the striking visual highlights of the new SLK 55 The AMG designers have complemented the basic forms of the long the greenhouse positioned well to the and crisp rear section typical AMG styling at the front, and rear. The new AMG front apron has air inlets and AMG-specific LED daytime lights. Inspired by the SLS AMG super car, the wide radiator features a large, centrally-positioned star. In the case of the SLK 55 AMG, the in the radiator grille and the lower strut on the front apron are in a high-gloss black finish. clear-lens headlamps and darkened tail lamps also as standard exclusively on the top-of-the-range V8 The Intelligent Light System is also available as an optional

The vent grilles with fins in the front wings are not reminiscent of the SLS AMG, but also memories of the famous Mercedes-Benz 300 SL from the 1950s. The V8 AMG lettering the grilles points to the top-of-the-range model from the SLK model AMG-specific, distinctively styled sill panels continue the of the front apron through to the new apron. With its own unique black diffuser insert three fins as well as the two twin tailpipes of the AMG sports system, it gives a distinctive touch to the vehicle. The spoiler lip on the lid, painted in the vehicle colour, reduces lift at the axle and thereby increases stability at high speeds.

by the SLS AMG: high-quality, stylish

Functional, stylish, high-quality: the design of the SLK 55 AMG is also reminiscent of its brother, the SLS AMG Roadster. Associations the super sports car are evoked of the four air vents in the style of jet as well as the centre console in brushed aluminium. An optional to the centre of the dashboard is an AMG-specific watch featuring an IWC design. The AMG steering wheel, with its top and bottom sections, also metal trim, aluminium paddles and grip areas in perforated leather. The clearly-arranged AMG cluster is positioned perfectly in the field of vision and features circular instruments, distinctive and the AMG main menu. The switch for the modes C, S and M is also located in the console.

The AMG sports seats individual seat upholstery and optimised lateral support as standard with the upholstery ARTICO man-made leather/black and high-quality AMG badges in the backrests. leather and Exclusive nappa are both available as optional As in the previous model, the AIRSCARF heating system is also as an optional extra. This a flow of warm air around the and shoulder areas of the occupants a vent in the front of each restraint.

Magical: the panoramic vario-roof MAGIC SKY CONTROL

The standard opens and closes in less 20 seconds, transforming the open-top into a closed-top Coupй rigid roof at the touch of a Alternatively, a panoramic vario-roof in polycarbonate can also be chosen. The variant is a world premiere – the vario-roof with MAGIC SKY This glass roof to light or dark as required at the of a button. When light it is transparent, offering an open-air even in cold weather. In its state the roof provides shade and prevents the interior heating up when the sun’s are very intense. In other a feel-good atmosphere at the touch of a

Mercedes-Benz SLK 250 AT Special Series

The frames of the three roof are made of magnesium. This each roof around six lighter than in the previous giving the car a lower centre of – which benefits its agility. A alternative to the standard draught-stop is the new pivoting draught-stop. It consists of transparent plastic layers are attached to the reverse of the roll-over This is the world’s first system that enables comfort levels to be selected for two as the driver and passenger can individually the units to the centre of the vehicle in a thus taming turbulent air from the rear. The advantage: no or removal effort required.

individuality: designo and the AMG Performance

Designed to meet the needs of with even more tastes are the optional appointments leather and designo Exclusive offering eleven single-tone and ten upholstery variants. With the AMG sports seats feature a design which distinguishes from the standard sports Available matching elements AMG carbon-fibre trim and designo in black piano lacquer for the console. The designo Alcantara® frame, seat belts in or red and also five attractive finishes – including two matt finishes – round off the stylish perfectly.

Other attractive appointments are also exclusively for the SLK 55 AMG from the AMG Performance Studio:

• AMG light-alloy wheels, painted in grey with a

high-gloss with 235/40 R 18 (front) and R 18 (rear) tyres

• AMG multi-spoke wheels, painted in matt with a high-gloss finish on the rim with 235/40 R 18 (front) and

R 18 (rear) tyres

• AMG Handling (AMG Performance suspension, AMG axle differential lock, brake discs on the front AMG Performance steering wheel • • • Alcantara® inserts in the grip

• AMG door sill panels, in white using LED technology

• AMG mats

• AMG Performance steering with Alcantara® inserts in the areas

For those with special tastes: the SLK 55 AMG Edition 1

to the C 63 AMG Coupй and CLS 63 AMG, a particularly complete package is also in the guise of the SLK 55 AMG Edition 1. This variant features a whole of specially designed high-quality and interior details. There are different paint finishes to from: designo magno white, diamond white metallic and obsidian black To add that perfect touch to the appearance there are also AMG light-alloy wheels painted in black with a high-gloss on the rim flange. To match the exterior the interior of the Edition 1 is available in two-tone designo Exclusive in platinum white pearl. The frame in Alcantara®, AMG carbon-fibre the AMG Performance steering wheel Alcantara® inserts in the grip as well as white illuminated AMG sill panels all help to some attractive contrasts. visual highlights include white contrasting stitching for the part of the dashboard, the door the AMG Performance steering wheel and the lever gaiter.

Exceptional position: modern systems on board

The SLK 55 AMG sets new when it comes to safety: a host of the latest assistance support the driver and have to secure the new AMG Roadster’s exceptional in its segment. Standard equipment new, fibre-reinforced roll-over two-stage driver and front airbags, headbags, thorax seat belt tensioner degressive belt force NECK-PRO crash-active head automatic child seat three-stage ESP® and also ASSIST drowsiness detection.

assistance systems are available on

DISTRONIC PLUS: this control system automatically a set distance from the vehicle braking the SLK 55 AMG to a standstill if necessary and accelerating the Roadster again.

The Light System (ILS) five lighting functions light function, country motorway mode, active function and enhanced fog lamps), are activated depending on the driving

Speed Limit Assist is to detect speed limit using a camera on the inside of the and indicate the detected speed in the instrument cluster or central

The anticipatory and reversible PRE-SAFE® protection system is able to protective measures for the car’s as a precaution. The aim is to prepare the occupants and the for an imminent collision so that the belts and airbags are able to their protective function to the during an impact.

The PRE-SAFE® detects the acute danger of a collision and prepares for autonomous The system is active at speeds of 30 and 200 km/h when moving are detected in front

of the car.

generations: the SLK made by AMG


The new SLK 55 AMG is already the generation of the exclusively dynamic model made by AMG. It all in 2001 with the SLK 32 AMG. Its AMG V6 engine with a displacement of 3.2 produced 260 kW (354 hp) and maximum 450 Nm – as such, the SLK 32 AMG was the most powerful among the competition.

At the end of 2004 was followed by the SLK 55 AMG. With its AMG V8 engine, which developed 265 kW hp) and 510 Nm of torque, it also assumed the position in its segment. No other in this class offers a eight-cylinder engine – and Mercedes-AMG has consistently true to this with the successor model. The new SLK 55 AMG celebrate its market launch in 2012.

The following is a brief of pricing (all incl. 19%

SLK 55 AMG: 72,590 euros

SLK 55 AMG 1: 85,520 euros with magno cashmere white 89,447 euros

AMG Handling 4,641 euros

interesting



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