news cars new Mercedes Benz A Class model year 2013

10 Апр 2015 | Author: | No comments yet »
Mercedes-Benz A II 160 CDI 82 Hp

Mercedes Benz A Class year 2013

Mercedes A Class model year

The new Mercedes-Benz A-Class is opening up a new in the compact segment: markedly in design, with powerful ranging from 80 kW (109 hp) to 155 kW hp), extremely efficient emissions from just 98 g of and a best-in-class drag coefficient of At the same time the new model that for Mercedes-Benz, safety is not a of price — the standard includes, amongst other the radar-based COLLISION PREVENTION system. Prices in Germany at €23,978.50 (incl. 19% VAT) for the A 180

Mercedes-Benz is becoming the most premium brand in the world. As of this development, the A-Class an important milestone. The A-Class is new, down to the last In automotive development, it’s not you get the chance to start with a sheet of paper. Our engineers made the very most of opportunity, explains Dr Dieter Chairman of the Board of Management of AG and Head of Mercedes-Benz Cars.

design: The most progressive in the compact class

Standing as as 18 centimetres lower on the road the preceding model, the new A-Class design and dynamism at the very glance. This radical language, presented and enthusiastically around the world with the Concept, was consistently implemented in the production car. The appearance of the new A-Class reflects this new design strategy. The result is is known as a two-box design a distinct character of its own, a emotive exterior and an exceptionally feel to the interior.

Translating the new style of Mercedes-Benz into the class was a challenge that was fun to tackle, explains Gorden Head of Design at Mercedes-Benz. No car in this segment is as progressive as the A-Class. Absolutely typical for is the sculptural shape of the A-Class. The lines, in particular on its sides, the Mercedes-Benz A-Class structure and The new dynamic style is perceptible at glance in the interior as well.

edges and tautly drawn mark out the exterior design of the new The constant interplay between and convex surfaces creates a play of light, particularly the sides of the car, which to its unique appearance.

Typical of the long, sporty front are its V-shape, the separate headlamps, the grille with central star and double slats to side of the star, as well as the air intakes on the sides. The dropping apparent in the side profile towards the vehicle’s front The design of the headlamps, together the configuration of the light functions them, are a key element of the design

The light modules and LEDs the headlamp cover glass been arranged in such a way as to the characteristic flare effect for the driving lights and indicators. The flare is made up of the feature within the headlamp, the LED modules for the running lamps and the bulb for the indicators. This signature gives the car its energetic look and so to define a new, youthful for Mercedes.

The perfect interplay of design and excellent aerodynamics is more apparent than in the with its smooth surfaces and arcing curve. The silhouette smooth, flowing lines in a flat edge. The roof which conveniently hides all the provides an extra sporty and gives structure to the roof The beltline rises to the rear to a pronounced wedge-shape. The side is distinguished by sensuously moulded side panels and crisp The front structural edge, the wing, falls in what is as a dropping line in a gentle arc the rear. The powerfully-shaped shoulder above the rear axle to emphasise the car’s coupé-like A further line sweeps up just in front of the rear arch, then gently away. All these lines depth and dynamism to the car’s Dynamic side sill provide a final finishing towards the bottom of the car, the appearance of elegant light-footedness.

The emphasis of the tail end is revealed in an of convex-concave surfaces and edges. The lights continue the line of the shoulders back towards the while their horizontal emphasises the car’s powerful The light functions are provided by fibre-optic cables and LED modules. too, the interaction between and aerodynamics is very clear: the finish of the tail lights is not an interesting design feature, but improves the airflow around the thanks to defined airflow edges in the rear section.

design: Extraordinary perceived

The starting point for the interior was the interior sculpture Mercedes-Benz No. 2 presented at the Detroit Motor in 2011 and which directed to the new Mercedes-Benz design language in the interior, too. The first implementation of this was shown in 2011 with the A-Class

The inspiration from aircraft is continued in the A-Class, explains Jan Kaul. The instrument panel is divided into an upper inspired on a wing profile and a lower section. This the impression that the upper is supported by a muscle.

The process for the production of this muscle diverse soft surface It is thus possible to create surface appearances with an play of lights thanks to structures embedded in foil.

The of the A-Class represents a big step in terms of quality — in the materials used and in the consistency of the says Kaul. Both have been achieved the help of a specific design and through the various combination possible with the high-quality selected. All trim elements been given an electroplated resulting in real metal with cool touch The work has been executed considerable care and attention to so that they appear to been moulded in one piece.

The panel incorporates five vents. Like brilliant they underscore the superior of the vehicle interior, explains The outer rings of the round have a high-quality electroplated The airflow direction is governed by an that is reminiscent of an aircraft and reveals a meticulous attention to This too has an electroplated finish in The free-standing display screen a black piano-lacquer-look front and a flush-fitting silver frame.

The cluster comprises two large instruments, each with a dial set within it. When at the dial needles stand at 6 The pointer inlays are in white, with the sportier design and lines such as Urban and AMG they are in red. The dials on the equipment lines and packages are silver with a chequered effect. The 3-spoke steering comes with 12 function and an electroplated bezel.

The centre and console, as well as the positioning of the elements such as the head lower control panel, air operating unit, stowage rotary pushbutton and armrest, the findings of the ergonomics experts at

An extensive range of seat in terms of material (e.g. fabric, ARTICO/fabric), colour and also geometry, provides for a broad range of individualisation Sports seats with head restraints are available all optional design and equipment The sporty nature of the seats is by the opening between the upper of the seat backrest and the head On the back of the front seats opening is edged with a in silver chrome and, in with the Light and Sight can also feature ambient

Designer Jan Kaul sums up: If you to take a seat in the A-Class your eyes closed you would never think, opening your eyes, you were sitting in a compact-class

The chassis and suspension: Agility and sportiness

Refined sportiness maximum agility combined the sense of safety, unspoilt stability and high levels of comfort which are all typical of the The suspension of the new Mercedes-Benz A-Class has a rear axle, electromechanical steering with assistance and ESP® with Extended Control (XTC). During the suspension experts made use of simulations and the driving simulators at the development centre in Sindelfingen as of the so-called digital ride and test.

The preconditions for achieving handling are excellent in the Mercedes-Benz This is because compared its predecessor the centre of gravity (24 mm and seating position (174 mm has been reduced significantly. A new is the four-link rear axle: are absorbed by three control and one trailing arm per wheel. This that longitudinal and lateral are virtually independent of one another. carriers and spring links are of aluminium to reduce the unsprung The goal was to achieve high agility with high stability thanks to small angle on the rear axle.

chassis and suspension set-ups are the comfort suspension and optional suspension for sporty yet comfortable (in conjunction with the Dynamic package or the AMG Sport equipment In addition, the A 250 Sport has a sporty, by AMG high-performance suspension. Altogether results in low dynamic rolling and low start-off pitch angle. the vehicle also has a reduced to understeer in the higher lateral range: the driver is therefore to control changes in direction low steering input but high precision. When accelerating out of taken at speed, the tendency to is reduced even further by Traction Control (XTC): this function, ESP®provides in the form of directional stability by a yaw moment on the front and rear located on the inside of the bend.

Steering: mechanical with assistance

The electromechanical steering of the has been redesigned. The electric of the servo assistance system is now directly on the steering gear as a pinion EPS system. The steering makes an important contribution to the overall efficiency, as the steering function only requires when steering actually place. A Direct-Steer system is in combination with the Dynamic package or AMG Sport equipment This provides a noticeably direct steering ratio the turning angle thanks to the ratio, and enhances the vehicle’s and agility substantially. The steering a high sense of safety, as the experiences a consistent and precise to all steering movements.

The electric steering also enables steering assistance functions are activated by the ESP® control These include

Countersteering in of oversteering

Corrective steering braking on road surfaces different levels of grip braking)

Mitigating the extent to the front-wheel drive influences the

Compensating crosswind and road

The electric power steering makes Active Park possible.

With all engine the Mercedes-Benz A-Class comes disc brakes on all wheels. The on the rear axle and the brake are made of aluminium. A particularly feature is the HOLD function, is familiar from the larger series: when stopping, for at traffic lights, the driver has to press the brake pedal more firmly and the brake remain engaged until he off again. The brake is released when the driver steps on the On versions with manual the Hill Hold function prevents the vehicle from back unintentionally when on a slope.

The Mercedes-Benz A-Class is with an electric parking which operates by means of motors acting on the callipers of the axle. The parking brake is via a button under the light on the left of the dashboard. This additional space in the centre as the handbrake lever is no longer When the button is pressed at of over four km/h, the brake acts as an emergency activating all four wheel via the ESP®’s hydraulic unit.

In with the 7G-DCT automatic the parking brake offers a convenient mode of functioning: the driver accelerates sufficiently fastening their seat the parking brake is released

Aerodynamics: Saving fuel the way

With a drag coefficient value of 0.27, the aerodynamic at Mercedes-Benz succeeded in creating masterpiece with the Mercedes-Benz And the A 180 BlueEFFICIENCY Edition due to follow is even able to exceed record for hatchback vehicles: to a number of aerodynamic enhancements, beacon of efficiency achieves a Cd of 0.26.

Countless flow studies on the computer and a great of fine tuning in the wind resulted in a clear goal: to the basic shape of the A-Class further, with a view to an exceptional drag coefficient. is no easy task, particularly for a model with a short overhang. But an improvement in the Cd value of one hundredth will reduce consumption by one tenth of a litre per 100 km driving on the motorway at approx. 120 Based on NEDC figures, corresponds to a CO2 reduction of one gram per

With a Cd value of 0.27 and a area of 2.20 m2, the drag (CdA) is less than 0.6 m2 a benchmark figure for hatchback in this segment.

The detailed behind this development is by the following examples:

The distinctive spoilers next to the rear (finlets) help to create a design which significantly the disruptive longitudinal vortices at the D-pillars.

Flow losses at the wheel arches have reduced substantially with the aid of serrated wheel spoilers at and rear, slots in the wheel and optimised hub caps. These result in improved wind around the wheel arches.

The A-Class has an adjustable radiator already familiar in larger series. The louvres behind the grille are for the most part when there is no specific for cooling air.

The underbody has been aerodynamically enhanced: the floor panel features cladding up to the rear wheel followed by additional cladding of the axle. The rear silencer has undergone aerodynamic optimisation.

The new features exterior mirrors have been optimised in of a number of details and already their excellent aerodynamic in large model series as the S, E and C-Class, and also the B-Class. The of the exterior mirror is adjusted in of the A-pillar in such a way that the is directed along the side without any significant interference or

The exterior mirrors and the low stepped of the A-pillars reflect the fact the work conducted in the wind was not just about optimising the conditions, but also about wind noise. And in addition to and aeroacoustics, there is often discipline to consider: in terms of management too, the flow the exterior mirrors and the A-pillars has to be optimised in the wind tunnel in to guarantee good visibility is towards the rear and at the sides wet weather.

More than with model series, in the case of the A-Class the aerodynamics experts at made particular use of flow (CFD, Computational Fluid each component was first over several cycles flow simulation before its aerodynamic properties put to the test in the tunnel.

Digital flow is based on so-called finite as a mathematical model. A volume net is from around 60 million or cubes, and is based around the CAD of the new A-Class. This enables the cycle to be simulated over a area in a large virtual tunnel. The Mercedes engineers the airflow using a predetermined level.

Setting new standards in of Cd value and consumption: BlueEFFICIENCY

Due to follow later is the A 180 CDI BlueEFFICIENCY boasting even better levels. It is among the most vehicles of its class: thanks to a of additional aerodynamic optimisation it has been possible to reduce its Cd from 0.27 (standard to 0.26.

These measures

partially covering the upper of the radiator grille

aerodynamically spring link coverings to the underbody airflow at the rear

lowering of the suspension by 15 mm

Diesel three efficient power

The new basic engine in the OM 607 series 80 kW (109 hp), delivers 260 Nm to the and with a manual transmission 3.8 litres per 100 km, corresponding to 98 g of CO2/km. is a 22-percent improvement over the 60 kW (82 hp) preceding model, the A 160 CDI, consumed 4.9 litres. The new top diesel, the A 220 is no less than 25 percent than its predecessor: it develops an of 125 kW (170 hp) and 350 Nm of torque, and in combination the 7G-DCT automatic dual transmission it consumes only 4.3 km (provisional figure). The figures for the A 200 CDI were 103 kW(140 hp), 5.7 and 149 g of CO2/km.

Petrol engines: and direct injection for all

A comparison the new and previous A 200 demonstrates what has achieved with the petrol with 115 kW(156 hp) and 250 Nm of torque, the new delivers superior performance but only 5.4 litres/100 km (127g — figures for the 7G-DCT), is 26 percent less than its (100 kW, 185 Nm, 7.4 l/100 km, 174 g CO2/km). the new top model with the 7G-DCT and 155 kW(211 hp) and 350 Nm is considerably more with a consumption of 6.1 litres and CO2 of 143 g.

The completely new engines and transmissions are not the decisive factors in this efficiency. Thanks to the modular it has been possible to select the designed transmission for each and petrol engine. The overall is rounded off perfectly with aerodynamics with a Cd figure of 0.27, as well as a number of improvements.

The new four-cylinder models Mercedes-Benz occupy a leading by virtue of their performance, efficiency and very low emissions. impress with their superior power delivery and customers refinement at the highest says Professor Dr Thomas Daimler Board Member for Group Research and Mercedes-Benz Development.

The 7G-DCT dual transmission: Dynamic and efficient

on over 50 years of experience in the and production of automatic transmissions, ventured into new technical with the 7G-DCT dual transmission: the new system is an automated manual transmission consisting of two each with its own clutch. actuation of the clutches and gear take place fully and without any interruption in tractive This allows a particularly but nevertheless dynamic mode of

Thanks to its seven gears it an exceptionally large spread of up to This means that a short transmission ratio is when moving off on an uphill with a high payload, for while during cruising the speed can be lowered considerably. The of this transmission leads to a percent improvement in fuel compared to the CVT employed in the Mercedes-Benz to date, and betters the consumption a manual transmission.

At a length of 367 and a weight of 86 kilograms, the 7G-DCT is compact and lighter than the in this torque class have been available on the to date. The clutches take the of oil-cooled multi-disc clutches. The developed hydraulic fluid is cooled, thus ensuring functioning of the transmission even extreme conditions, despite the low filling level of six litres. engine heat can also be to the transmission, which improves its

For the first time on this of unit, the transmission is supplied oil by two oil pumps — one mechanical and one The electric pump maintains the oil when the engine is switched off via the function. This means the transmission is immediately operational the engine is restarted and the vehicle can off again without any delay. In the electric pump is able to the mechanical pump when loads apply, enabling a compact and efficient design for the pump.

Another new feature is activation of the hydraulics for the parking which is locked by mechanical This park by wire enables the transmission selector to be positioned as desired: it is located in the of a steering column lever on the behind the steering wheel in the In combination with the electric brake, additional space has been created in the centre for additional stowage facilities.

gearshift modes are available to the

ECONOMY: in this mode, the performs gearshifts fully and particularly comfortably. The gears are with due regard to a particularly style of driving at low revs

the transmission performs gearshifts automatically. The shift and response are shorter, with gearshifts at engine speeds

MANUAL: in mode, the driver operates the manually via shift paddles the steering wheel. The engine at which the gears are shifted can be freely chosen

In ECO or Sport the driver is still able to manually in the gear-shifting process via the paddles. The transmission reverts to the automatic mode after the have remained inactive for seconds, or after a longer when driving downhill or on roads.

A key factor contributing to the efficiency and dynamism of the A-Class is the coordinated operation of the transmissions and A continuous exchange of data the control units ensures the engines run at the ideal operating at all times. The 7G ‑DCT transmission is at Daimler’s Stuttgart-Hedelfingen plant.

The manual transmission: Comfortable gearshifts

The new six-speed manual was developed in parallel with It is extremely compact and shares a of common parts.

The three-shaft is also very compact 345 mm) and light (dry weight 46 kg) and a number of special features for pleasant gearshifting. An integrated on the gearshift shaft is detected by a sensor. The idle position is in this way, making the function possible. The signal for gear activates the reversing

The large spread of 6.7 allows a in engine speed while at the time ensuring that tractive power is available moving off with a fully Mercedes-Benz A-Class and trailer up to a weight of 3.4 tonnes. The clutch is hydraulically and the gears are actuated via

The overhead camshaft with and fourth gears and the reverse do not run in the oil bath. This reduces torque, thus facilitating shifting at low temperatures in particular. The synchronisation of the first two gears the same purpose, while the gears are provided with synchronisation. The weight-optimised cast shift forks are installed on bearings on the shift rods, in to reduce the shift forces.

safety: A strong basis and protection

One star is all you need the Mercedes-Benz safety philosophy applies to the new A-Class. Its safety some features of which are found in much higher categories, includes belt and belt force limiters for the seats, too, the PRE-SAFE® occupant protection system and the bonnet for pedestrian protection. The also includes seven as standard and the Mercedes automatic call system.

The new Mercedes-Benz has passed the brand’s rigorous of crash tests. This not only some 30 different configurations, which are laid as requirements for safety ratings and type approval, but also proprietary crash tests, as the roof-drop test or the pole test, developed by the brand

The ability of the new A-Class to satisfy which go far beyond the statutory in some cases is also by an internal offset front test against a future saloon from Mercedes-Benz: the high impact speed and the that it is the smaller accident the A-Class offers its occupants an passenger compartment and excellent of survival.

The bodyshell structure the basis for the high standard of safety, both in terms of — the proportion of high-strength and sheet steel stands at 67 — and with regard to its design. Key features of the front-end are the systematic implementation of an available length of 435 millimetres, load over several planes, the new and floor concept and the subframe as a element.

A total of three longitudinal planes — consisting of the front longitudinal members, a upper plane attached to the end consisting of extruded aluminium box and a third plane at the bottom in of the subframe — allow energy to be reduced in a controlled

The subframe provides the torque for the transverse engine / transmission and serves to attach the components for the axle and steering. It consists of steel plates, some in steel, and a hydroformed tube. In to optimise its deformation properties, the is connected via two aluminium struts forward to the aluminium radiator located under the front In the event of a frontal impact, can be discharged at an early juncture the subframe via this third path, in order to ensure the possible energy dissipation.

A crash wedge which is at the rear of the front wheel helps to ensure that the do not slide under the front in the event of a high-impact crash, of the turning angles. This that it will be possible to the doors, even after a accident.

The bulkhead also a special feature: so-called runners in front of the two middle members discharge forces the floor. The continuous floor consists of a total of four longitudinal members. The tunnel reinforcements at front and rear with the tunnel to provide a closed profile supporting the end.

Controlled deformation: in side-on crashes

Rigid structures and defined deformation help to safeguard the survival for occupants in the event of a side Elements here include the pole support, a member diagonally in the rear footwell centre tunnel and floor wall which is intended to the floor from being open in the event of side with a tree.

High-strength are used in the upper area of the in order to minimise intrusion and to the passenger cell in case of impact. The lower area of the is softer, in the interests of energy The safety experts at Mercedes-Benz christened the crack management on the insides of the B-pillar vampire In a serious side-on crash, the belt retractor presses the inner wall of the B-pillar. To this from leading to a crack which might structural integrity, small, recesses define the crack

Pedestrian protection: comprehensive including Active Bonnet

The of those road users who are at risk has always been a top during the development of Mercedes cars. The new Mercedes-Benz A-Class numerous protective measures to help lessen the risk of to pedestrians. In order to reduce the which arise in the event of a impact on the bonnet of the vehicle, the space between the bonnet and the beneath it has been optimised. is achieved in part through the positioning of components such as units or fluid reservoirs in the compartment.

In the case of the A-Class, its sporty, low-slung body, an bonnet is also used. In the of a pedestrian impact, sophisticated combined with intelligent trigger actuators in the area of the hinges. These raise the by 65 millimetres. The additional space this creates between the and the components in the engine compartment that a head is subject to low internal acceleration forces on

The deformation characteristics of the bonnet been developed specifically to these requirements. Reductions in the loads can be achieved by using and reinforcing the inside face of the

On all seats: intelligent restraint

The Mercedes-Benz A-Class protects its with up to nine airbags. The complement comprises driver and airbag, a kneebag for the driver, thorax-pelvisbags incorporated in the seat to the chest, stomach and pelvis and windowbags. The windowbags extend both rows of seats to the triangle. They serve to the occupants’ heads from contact in the event of side and can also help to keep inside the vehicle in an accident. The and front passenger airbags in two stages, according to the expected of the impact. The gas generator first of all the driver’s airbag with 60 and the passenger’s airbag with 70 per gas. If a more severe is forecast, the second stage of the gas will additionally be activated a delay and the airbags will be at a higher pressure level. for the rear are optionally available.

The safety expertise of the Mercedes-Benz developers is reflected in a host of The deformable steering column by up to 100 millimetres when the driver pressure on the airbag as a result of displacement in an accident, for example. The features also reveal a touch: the driver’s airbag is to a vibration absorber in the steering to reduce vibrations, for example.

The head restraints for driver and passenger are new developments. The onus in the new restraints was on further reducing the of whiplash injury. Key to effective prevention is the best possible of the distance from the rear of the heads. The restraint incorporates a for this purpose on the left-hand (as seen in the direction of travel). release mechanism can be pressed to the head restraint and increase the between head and head The button does not need to be in order to reduce the distance. enables single-handed operation in all positions.

Family-friendly: comprehensive measures in the rear

In developing the new the Mercedes-Benz safety experts also attached great to the safety of the rear-seat occupants. The new therefore meets the relevant of the Japanese and Chinese NCAP which also take of factors such as the ease of use of the seat belts. Experts that Euro NCAP extend its rating programme to rear-seat safety in the medium The A-Class is already prepared for and is a role model in this — both within and its own vehicle category — features such as standard-fit tensioners and belt force for the outer rear seats. A bar in the roller mechanism twists the load on it exceeds a defined In this way the belt force is and with it the load on the seat

The Mercedes-Benz A-Class’s family-friendly also include the ISOFIX seat securing system on the seats. Child seats can be fixed to the vehicle by means of anchorage points with top

Innovation in the compact class: occupant protection system

The anticipatory occupant protection is available in the A-Class for the first This represents a further in the on-going democratisation of this which was premiered in the S-Class in

PRE-SAFE® from Mercedes-Benz the time between detection of a accident situation and a possible to initiate preventive protection thus reducing the loads on the occupants in the event of a crash by up to 40

Core features of PRE-SAFE® are belt tensioning, the closing of windows and sliding sunroof critical lateral dynamics are and adjustment of the fully electric passenger seat with function to an ideal position for effectiveness of the restraint systems.

is activated when one of the following is met: emergency braking, braking, pronounced over- or critical steering movements or support by adaptive Brake

Mercedes-Benz automatic emergency system: faster assistance at the of an accident

In combination with Online, the new Mercedes-Benz A-Class is with the Mercedes-Benz emergency system. As long as COMAND is connected to a mobile phone, the emergency call system can alert the emergency services a matter of minutes in the event of a accident.

After the airbags or tensioners are triggered, the vehicle’s GPS position and vehicle identification (VIN) are sent by SMS to a special centre, with positional also being transmitted the DTMF method (dual-tone at the same time. Even if the are unconscious or unsure of exactly they are because they are on a trip, for example, the emergency alerted by the emergency centre be notified quickly with information. The driver can also the emergency call manually as MB call is always the first in the system phone directory.

On the call, the emergency centre voice contact with the occupants in a matter of seconds. A practical aspect in an emergency is the communication is held not in the language of the where the accident has occurred but in the which the driver has preset in Online.

Other than any phone communication charges, would only arise in the of an actual emergency call, no are incurred by the driver for the emergency facility and no contractual relationship other than the regular phone contract — is

Mercedes Benz A Class year 2013


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