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Mercedes-Benz SLS AMG Electric Drive

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On: Fri, Oct 5, 2012 at 2:13PM | By: Traci Benoit

Mercedes-Benz SLS AMG Electric Drive

When you drive a Mercedes-Benz, you aren’t trying to blend in with the crowd. And you won’t blend with much if you drive the new Mercedes-Benz SLS AMG Electric Drive. Mercedes went to extensive lengths to make sure that the gas powered equivalent had nothing on the electric powered version. In fact, the SLS AMG coupe is the fastest electric car available on the market today.

With 740 hp and 738 lb-ft of torque, the electric version edges out the gas version with its 563 hp and 479 lb-ft of torque. Although leading in power, the Electric Drive achieves a zero to 62 mph in 3.9 seconds compared to 3.8 seconds for the V8 motor. Top speed for the Electric SLS AMG is electronically limited at 155 mph vs. 197 mph for the V8. But who’s keeping score?

The power for the Electric SLS AMG is derived from a 60 k Wh lithium-ion, liquid cooled battery pack tucked into the tunnel where the drivelines and transmission used to exist. The battery itself is actually 12 individual modules, each made up of 72 cells. There are two electric motors per axle and the SLS AMG is programmed so that each wheel can spin or brake independently. As if four motors weren’t enough, additional power is supplied by the Formula 1 Kinetic Energy Recovery System (KERS).

The power from the KERS system is evenly distributed between the four motors, making the SLS AMG Electric Drive a permanent all wheel drive vehicle. Along with KERS, the SLS AMG Electric Drive also comes with an AMG Torque Dynamics system which provides the car with three different driving modes; comfort, sport and sport plus.

At full charge, the car can travel an average of 150 miles. The battery must be charged for 20 hours to achieve full power. By using an optional wall mount, which provides 22kW of power, charge time can be reduced to only three hours. The battery can be charged on the run by recovered energy created under braking and in-gear coasting conditions. Steering-wheel mounted controls allow the driver to control the amount of recovered energy.

It appears that the Mercedes-Benz Electric SLS AMG lacks nothing compared to its V8 counterpart, not even the purr of the engine. For those that can’t live without the sound of an engine firing up, a tailored synthetic sound is played through 11 speakers located in the cabin.

So for $537,930, German buyers can have it all. Sorry, the electric SMS AMG isn’t available in the U.S. yet.

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