Mercedes-AMG Provides Additional Details on Progress of SLS AMG E-CELL Electric Super Sports Car

Mercedes-AMG, the performance brand within Mercedes-Benz Cars, provided an update on its development of an electric version of the SLS AMG, the development of which it announced last July. (Earlier post.)

With a power output of 392 kW (526 hp) and 880 N·m (649 lb-ft) of torque, the gullwing with electric drive is part of the company strategy entitled “AMG Performance 2015” which aims to continually reduce fuel consumption and emissions. The SLS AMG E-CELL may see a limited production run, the company says.

Traction is provided by four synchronous electric motors each achieving a maximum 12,000/rpm and positioned near to the wheels. Compared with wheel-hub motors the unsprung masses are substantially reduced. One transmission per axle transmits the power.

The electric model accelerates from zero to 100 km/h in 4 seconds—which almost puts it on the same high level as the SLS AMG with 6.3-liter V8 engine developing 420 kW (571 hp), which can accelerate to 100 km/h in 3.8 seconds.
However, unlike the combustion engine, torque build-up with an electric motor is instantaneous—maximum torque is available virtually from a standstill.

The SLS AMG E-CELL drive incorporates a liquid-cooled high-voltage lithium-ion battery featuring a modular design with an energy content of 48 kWh and a capacity of 40 Ah. The maximum electric load potential of the battery, which consists of 324 lithium-ion polymer cells, is 480 kW

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