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Mercedes SLS-AMG Electric Supercar Lends Power to Cigarette Boat

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Mercedes SLS-AMG Coupe Electric Drive & Cigarette Electric Drive Concept

Mercedes’ SLS-AMB Coupe Electric Drive supercar is lending some powertrain technology to Cigarette’s electrically powered powerboat, and both are on display this week at the Miami International Boat Show. (Photo courtesy Mercedes-Benz USA.)

The world’s most powerful electrically driven series production vehicle, Mercedes’ SLS-AMG Coupe Electric Drive is making an appearance…at the Miami International Boat Show? Yes it is, because it’s lending its powerplant technology to the the world’s most powerful electric drive powerboat parked beside it.

Mercedes-Benz says the boat, the Cigarette AMG Electric Drive Concept, was inspired by the SLS-AMG Coupe Electric Drive. The Coupe makes roughly  740 horsepower and 737 ft-lbs of torque from a 400-volt, 60 kWh battery pack, according to Mercedes. Reportedly, it can reach a terminal velocity of 155 mph– at which point we assume it is electronically limited, as are most European cars sold in America.

The Cigarette AMG Electric Drive Concept, meanwhile, cranks out a tidal wave-inducing 2,220 horsepower and 2,212 ft-lbs of torque to a top speed of more than 100 MPH, the press release said. It makes use of a 400-volt battery pack just like the Coupe, but its capacity is bumped up to a whopping 240 kWh.

In either the car or the boat, Mercedes says the battery is liquid cooled and borrow technology gleaned from Merc’s Formula 1 racing efforts:

Advanced technology and know-how from the world of Formula 1 have been leveraged during battery development. The battery is now the result of the cooperation between Mercedes-AMG GmbH in Affalterbach and Mercedes AMG High Performance Powertrains Ltd. With their headquarters in Brixworth, England, the company has been working closely with Mercedes-AMG for several years.

The Cigarette AMG Electric Drive Concept is fitted with two 22-Kilowatt on-board chargers from the SLS AMG Coupé Electric Drive. Adapted to fit the infrastructure standard of many American marinas, the boat has a charging capacity of 44 Kilowatts. The battery is fully charged in approximately seven hours. To reduce the charging time to less than three hours, the powerboat can be fitted with four on-board chargers as an option.

As for how the battery packs send the power out to propel the 38-foot boat, Mercedes sheds some light on the unique two-drive-unit arrangement:

The boat is fitted with the twelve compact, liquid-cooled permanent-magnet synchronous electric motors: Mercedes-AMG created two drive units in the boat, each featuring six independent electric motors. At the rear of the boat, each drive unit has its own transmission, one on the left and one on the right. Each electric motor delivers 138 kW and 250 Newton meters.

The Miami International Boat Show started Valentine’s Day and runs through Monday, Feb. 18.

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