The most hardcore iteration of the SLS AMG with the Black Series moniker is said to borrow bits and pieces from the race-spec GT3 model including parts for the heavily tweaked 6.2-liter V8 engine that produces 622hp (631PS) at 7,400rpm, 39hp more than the 2013 SLS AMG (583hp / 591PS).
On the other hand, the Black Series’ V8 delivers 11 lb-ft less torque at 468lb ft arriving at 5,500rpm. It is said to complete the 0-100km/h (62mph) in 3.6 seconds and top out at 315km/h (196mph), making it 0.1 seconds faster in the sprint but 1mph or 2km/h slower in terms of maximum speed.
Other noteworthy changes include a revamped chassis with wider tracks, reprogrammed electronics, lowered suspension and carbon ceramic breaks, plus new 19-inch front and 20-inch rear wheels, and an assortment of aero upgrades.
The new SLS AMG Coupé Electric Drive is the second model in the brand’s rangeafter the B-Class conceptto incorporate the “Electric Drive” designation, which will be used on all battery-powered electric passenger cars from Mercedes-Benz, Mercedes-AMG and Smart.
The high-tech SLS AMG Coupé Electric Drive utilizes four electric motors positioned close to the wheels, and which produce a combined output of 740Hp (552kW or 751PS) and a maximum torque of 1,000 Nm (737 lb-ft), making it the most powerful production AMG model of all time.
The battery-powered SLS AMG is said to accelerate from zero to 100km/h (62mph) in just 3.9 seconds with its top speed electronically governed at 250km/h (155mph).
First deliveries of the limited run SLS AMG Coupé Electric Drive will begin in July of 2013 with prices in Germany starting at a whopping €416,500 (US$536,200 at the current exchange rates), or more than twice the cost of the petrol engine-powered SLS AMG GT (€204,680).
Mercedes-Benz has upgraded its F1 Safety Car replacing the SLS AMG with the newer SLS AMG GT. The GT evolution of the gull-wing model made its first appearance in a race situation at this month’s 2012 Formula 1 Shell Belgian Grand Prix and will also be deployed at the upcoming Singapore Grand Prix.
The GT model comes with improved driving dynamics, better on-track performance, a 20Hp boost for a total of 583hp (591PS) from its 6.2-liter V8 and new design features such as the darkened headlamps and taillights and the grille finish.
The changes over the regular production model are kept to a minimum and include a specially developed and more sonorous rear silencer, F1 decals, safety lights on the rear window, bucket seats with six-point seat belts, two central screens that allow the driver and co-pilot to monitor the progress of the race and a radio system to communicate with the organizers.