Until now, horsepower and fun have usually been sacrificed for efficiency. But has literally shocked us with a press release this morning. The new E53 AMG uses a 48-volt electrical system to power an “EQ Boost” supercharger. Electric blowers are not a new concept, but they are inefficient at 12 volts, requiring more from the alternator than the power they added to the engine.
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Now the game has changed. The E53 sedan uses a 3.0 liter straight six and a conventional turbo to make 429 horsepower and 384 lb-ft of torque. In addition to the 48-volt blower, the EQ boost generator also serves as the starter. It also performs hybrid functions like regenerative braking and adding torque in certain situations. This allows it to run 0-60 in 4.3 seconds with a computer-limited top speed of 130 mph. It will also be one of the few gas-powered luxury sedans to offer the fuel mileage of a hybrid.
Don’t be scared, the interior and all accessories are still 12v powered, from a solid-state MOSFET transformer. They must have reverse-engineered a Koenigsegg to see what makes it so efficient and reliable at the same time. The hybrid boost feature has the ability to add 21 horsepower and 184 lb-ft of torque when needed, and it will make this AWD sedan the ultimate sleeper. The only way it could be better is with plug-in charging and an HV battery, but Mercedes-Benz is saving that for their full electric future. Production will begin soon in Affalterbach, and they will arrive by the end of summer. Until then, take a look at these great deals on the E63 AMG from our dealers.
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