SLS AMG E-Cell – Electric Gullwing Supercar

by under News on 06 Jul 2010 12:02:02 PM06 Jul 2010

Mercedes-Benz and its performance partner AMG have revealed the electric-powered SLS AMG E-Cell supercar.

But performance car fans shouldn’t scoff – with four electric motors (one for each wheel), this silent gullwing sports car almost matches the equivalent 6.3-litre V8-powered SLS AMG. The E-Cell delivers 392kW/880Nm and can accelerate from zero to 100km/h in just four seconds (3.8 seconds for the petrol-engined SLS AMG). 

2010 MERCEDES-BENZ SLS 2D COUPE AMG


The trick is the four electric motors (one per wheel) are actually positioned near the wheels and drive via one transmission per axle (hence the E-Cell does not suffer from the excessive unsprung weight of normal wheel hub-type electric motors). Each engine spins up to 12,000 rpm.

The E-Cell uses a liquid-cooled 400-volt battery with 324 lithium-ion polymer cells and gains some charge from recuperation during braking.

AMG was able to install all of the electrical components and driveline into a largely unchanged aluminium spaceframe. The front suspension was swapped to an independent multi-link design with horizontal pushrod dampers – those changes necessary to accommodate the front axle driveline. 

2010 MERCEDES-BENZ SLS 2D COUPE AMG


Braking is handled by massive carbon fibre –ceramic discs (40 per cent lighter than conventional cast iron discs), there are some bodywork/aerodynamic changes, new 10-spoke alloy wheels (19-inch front/20-inch rear) and of course new instruments to cover the electronics.

The stunning Gullwing and its electric drive system are part of ‘AMG Performance 2015’ – which aims to continually reduce fuel consumption and emissions.

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