What appear to be official images of a future all-electric Mercedes-Benz supercar have swept the internet, causing a stir amongst car enthusiasts and speculation on the abilities of the new machine.

The E-Cell is based on the SLS AMG supercar launched at the end of 2009. However, in place of a V8 petrol engine there's a series of batteries and four electric motors.

Spinning to 12,000rpm, the motors are thought to produce almost as much power as the 563bhp petrol engine, though substant...


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