MercedesBenz AClass ECELL Overview | eMercedesBenz

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Mercedes-Benz A-Class

Mercedes-Benz A-Class E-CELL

Mercedes-Benz A-Class E-CELL is a five-seater with battery-powered drive and a range over

by Jim Davis | 15 September 2010

the B-Class F-CELL fuel-cell Mercedes-Benz now introduces the new A-Class as its second electric car built in conditions. The five-seater with electric drive meets all the for a family car for everyday use. It is on the five-door version of the current and features a generously dimensioned and luggage compartment for maximum No compromises have been in terms of space and variability, compact storage batteries are located extremely well-protected and in a way in the vehicle underbase. The car’s two lithium-ion batteries provide a of over 200 km (NEDC). The car is powered by a locally emission-free electric with peak output of 70 kW (95 developing a high torque of 290 Nm. A production run of 500 A-Class E-CELL will be built at Rastatt autumn 2010. The vehicles be leased to selected customers in European countries, including France and the Netherlands.

Five five seats, the same compartment volume as in the internal engine A-Class (435 to litres), a 350-kilogram payload as per the relevant EC directive and high of the interior and luggage compartment: is what makes the new A-Class a family car for everyday use. The sandwich structure provides an extremely comfortable in-car and maximum protection for passengers and in the event of a collision.

“Over our 125-year history, we have extensive experience and knowhow in the of electric vehicles, including battery and fuel-cell. This has already provided the basis for two electric cars for everyday use the road: the smart fortwo drive, and the B-Class F-CELL. The now continues with our third car, the A-Class E-CELL. start of production is scheduled for this year. The new car is a battery-driven Mercedes that enlarges our and offers our customers the kind of pleasure, comfort and safety they have come to says Dr Thomas Weber, the AG Board of Management member for Group Research and Development Cars.

Driving pleasure with emissions

Along with safety, optimum comfort and a level of suitability for daily the A-Class E-CELL also other strengths not always to be in contemporary electric cars: and driving pleasure. The features are on a low centre of gravity, partly the of the installation of the batteries under the compartment, in the “sandwich” structure of the floor. This gives the car road-holding and sprightly handling – qualities that clearly set the E-CELL apart from electric cars, which have heavy and bulky batteries located in the boot or by the seat. Another benefit this installation location is the of best-possible protection against the of structural components in the event of a collision or impact from the This is because the batteries are outside the vehicle body’s zones. The high-stability characteristics of the structure of the floor also outstanding protection for both and passengers in a lateral collision

High-performance electric drive long range

The electric of the A-Class E-CELL is a permanent-field unit developing a peak of 70 kW (95 hp), a continuous power of 50 kW (68 hp) and a high maximum torque of 290 Nm, as for an electric drive, available from the first revolution. makes the A-Class E-CELL an assured and dynamic performer on the taking just 5.5 seconds to from zero to 60 km/h. A function is used to deliver acceleration, according to the current level and battery temperature. speed is electronically set at 150 km/h.

The storage units are two high-performance batteries based on high-voltage The advantages of lithium-ion batteries their compact dimensions and higher efficiency in comparison nickel-metal-hydride (NiMH) batteries. offer 30 percent more density than NiMH and 50 percent more power Other benefits include charging efficiency and a long life. The combined energy of the two lithium-ion batteries is a total of 36 With fully charged the A-Class E-CELL has a range of 200 kilometres (NEDC).

Efficient cooling system

A special system keeps the high-voltage cooled to within an optimum window. The cooling system is on a low-temperature cooling circuit. cooling with a water-glycol ensures a stable operating supporting the high degree of and the longevity of the energy storage. In high ambient temperature the battery cooling system is with the coolant circuit of the system. The electrical drive and two on-board chargers are cooled a high-temperature cooling circuit. circuit keeps the units at optimum operating temperatures, maximum power delivery the drive system. The car’s electronics supply the 12-volt electrical system via a DC/DC with electric current the high-voltage system. The electronics also controls other such as the heating and air-conditioning in order to minimise the load on the battery for this purpose.

Flexible charging options

The of the A-Class E-CELL can be either at public charging points or into an ordinary household socket. A range of charging are available, including single-phase sockets, three-phase sockets in a wall-box, and public recharging Using a single-phase 230-volt it takes around eight charging time to accumulate the required for a range of 100 km (NEDC). time is reduced to just hours in the case of charging a wall-box or at a roadside recharging

Daimler and a number of other automakers and energy utilities agreed on standardised charging and sockets, with an ultimate aim of standardisation. This makes the more customer-friendly, and is seen as a key for the rapid spread of electric

Intelligent charging management

the smart fortwo electric in its category, the A-Class E-CELL is the first vehicle in its class to be with an intelligent charging system based on “SmartCharge Via the vehicle electronics system, all information – such as the electricity contract identification data – is with the charging point. include a convenient, simple and reliable billing system.

intelligent features of the car include climate control. While the E-CELL batteries are being at home or at a roadside charging the interior can be pre-heated or cooled to a set by the driver. Another function the driver to monitor charging and therefore the present range via the internet or a smartphone, for example.

The A-Class E-CELL electronics provide for proactive control of the operation. So if the electric car is parked for a period, recharging can be set to take at times when electricity is for example during the night. The interface in the A-Class E-CELL a range of billing, control and functions, making electric convenient and safe, and therefore customer-friendly. The vehicle is automatically on connection of the charging cable to the preventing any possibility of driving off by while charging is in progress. makes the recharging operation safer and more convenient for the

“Everything under control” out on the road

To make vehicle and control as easy, safe and as possible for the driver, the A-Class has its own control and display concept designed for the requirements of an electric The multifunction display in the vehicle the battery charge status, data such as kilometres travelling time, average and average fuel consumption, with the remaining range and electrical energy capacity = state of charge).

Another specific to the system is a display of the available drive power. the rev counter normally to be found on the panel is replaced with an showing the instantaneous drive demand or recovery power. white and red-coloured segments whether the drive system is operating in charge, economy or mode.

High-quality equipment typical for

Mercedes-Benz A-Class

The new A-Class E-CELL also has to offer in terms of Mercedes-quality Standard highlights in the premium “AVANTGARDE” version of this electric car include bi-xenon COMAND APS, an active assist for automatic parking and the automatic climate control A special additional function is the to preset the interior climate charging, i.e. raising or the compartment temperature according to the conditions. The car also has a comprehensive of safety features, including window bags and sidebags, and seating and lighting packages.

features of this battery-powered car include the standard polar painted body and an “E-CELL” in silver lettering on the boot.

safety standards

Mercedes-Benz the same high safety in the A-Class E-CELL as in all its other vehicles. The electric drive has demonstrated readiness for series in extensive practical testing Key components have also proven in Mercedes-Benz fuel-cell for example, allowing Mercedes to draw on the experience gained more than 4.5 million kilometres in everyday use. The safety concept reflects the characteristics of the vehicle’s innovative system. The lithium-ion batteries and system of the A-Class E-CELL are with a comprehensive safety

All cables are clearly colour-coded, and warnings are placed on high-voltage

Generously dimensioned insulators and plugs provide full protection for the entire system.

An controller continuously monitors requirements and immediately alerts the to any malfunctions in the high-voltage system.

All high-voltage components are connected in an loop. This means the high-voltage system is automatically disconnected in the event of a malfunction or an

The high-voltage system is also completely disconnected when the switch is placed in the “off” or in the event of possible faults.

The is continuously monitored for short

An automatic drive disabler when the charging cable is prevents any possibility of the car being off by mistake.

Modular system for cars

In line with the used for hybrid development, engineers have also a modular system for electric with battery and fuel-cell. The include the efficient use of shared in all the brand’s electric vehicles. All the key of electric cars are appropriate for a approach – for example, the electric of the A-Class E-CELL is also in the B-Class F-CELL. Both storage units in the electric are the same as the battery in the smart electric drive.

Mercedes-Benz A-Class
Mercedes-Benz A-Class
Mercedes-Benz A-Class
Mercedes-Benz A-Class
Mercedes-Benz A-Class


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