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New Models
AUTOS: Mercedes Reveals Mighty SL65 AMG
Lighter and faster, the top-dog hardtop-convertible is powered by a 621-horsepower V12; debut set for the New York Auto Show.
An all-aluminum body helps the 2013 Mercedes-Benz SL65 AMG lighten the load and boost performance. (Photo: Mercedes-Benz)
Very few cars are a better fit for the phrase “an iron fist in a velvet glove” than the Mercedes-Benz SL65 AMG, which roars back onto the market later this year after a brief hiatus.
Mercedes' big hitter will arrive in showrooms this November after a world debut next month at the 2012 New York Auto Show, set to reclaim its position at the top of the 2013 SL Class lineup, which currently consists of the regular SL and SL63 AMG models.
The SL65 AMG's weapon of choice is still a turbocharged V12 engine, tuned to deliver a heady 621 horsepower and 738 pound-feet of torque. While those figures may not represent a monumental increase over the output of the previous model, there are several key refinements, mainly the adoption of an all-aluminum body, that should allow the new car to deliver better performance, refinement and overall fuel efficiency.
AMG quotes a 0-60 mph time of 3.9 seconds, a top speed of 186 mph, and a curb weight of 4,299 pounds.
Like the rest of the SL range, the all-aluminum body of the latest SL65 AMG has allowed engineers to shed about 254 pounds compared with the previous model. This has a direct impact on fuel consumption, while acceleration, handling and braking are all improved as well.
Increased efficiency has also been brought about by improvements to the drivetrain. These include the addition of AMG’s latest Speedshift Plus seven-speed automatic instead of the previous model’s outdated five-speed, plus a new twin-turbocharged 6-liter V12 benefiting from stop-start systems, reduced friction and alternator management.
This latest V12, the M279, is based largely on the previous model’s M275 V12 but has received some major upgrades. New turbochargers with enlarged spiral cross sections, wastegate channels that are optimized for improved airflow, and new manifolds deliver the 17-horsepower bump in output.
Mercedes' big hitter will arrive in showrooms this November after a world debut next month at the 2012 New York Auto Show, set to reclaim its position at the top of the 2013 SL Class lineup, which currently consists of the regular SL and SL63 AMG models.
The SL65 AMG's weapon of choice is still a turbocharged V12 engine, tuned to deliver a heady 621 horsepower and 738 pound-feet of torque. While those figures may not represent a monumental increase over the output of the previous model, there are several key refinements, mainly the adoption of an all-aluminum body, that should allow the new car to deliver better performance, refinement and overall fuel efficiency.
AMG quotes a 0-60 mph time of 3.9 seconds, a top speed of 186 mph, and a curb weight of 4,299 pounds.
Like the rest of the SL range, the all-aluminum body of the latest SL65 AMG has allowed engineers to shed about 254 pounds compared with the previous model. This has a direct impact on fuel consumption, while acceleration, handling and braking are all improved as well.
Increased efficiency has also been brought about by improvements to the drivetrain. These include the addition of AMG’s latest Speedshift Plus seven-speed automatic instead of the previous model’s outdated five-speed, plus a new twin-turbocharged 6-liter V12 benefiting from stop-start systems, reduced friction and alternator management.
This latest V12, the M279, is based largely on the previous model’s M275 V12 but has received some major upgrades. New turbochargers with enlarged spiral cross sections, wastegate channels that are optimized for improved airflow, and new manifolds deliver the 17-horsepower bump in output.
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