2021 Mercedes S-Class Engine Options Confirmed

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The 2021 Mercedes S-Class will debut on September 2.

Over the last few weeks, Mercedes has been feeding us small morsels of information about the new S-Class, offering a look inside the high-tech cabin and detailing the luxury sedan's revolutionary safety technology. Now, Mercedes has confirmed the engine options that will be available to US buyers via Motor Trend.

Sitting at the bottom of the range will be the S500 featuring a turbocharged 3.0-liter inline-six engine producing 429 horsepower and 384 lb-ft of torque. An EQ Boost mild-hybrid system, which is already offered in the redesigned Mercedes E-Class sedan and Cabriolet, among others will add an extra 21 hp and 184 lb-ft of torque to the output.

Nikita Chuyko
Nikita Chuyko

Slotting above the S500 is the S580, powered by a twin-turbo 4.0-liter V8 codenamed M176 producing 496 hp and 516 lb-ft of torque. Like the S500, the powertrain will incorporate a mild-hybrid system adding an extra 20 ponies. Power will be sent to all four wheels through a 4Matic all-wheel drive system and a nine-speed automatic transmission in both models.

Topping the 2021 Mercedes S-Class range in US (at least until the new AMG variants arrive) will be the S580e plug-in hybrid, which uses a 362-hp version of the S500's inline-six and a 140-hp electric motor for a combined output of 502 hp and 516 lb-ft of torque. Thanks to a 28-kWh battery, the S580e will travel up to 60 miles in fully electric power - that's more than twice the range of the 2020 Mercedes S560e plug-in hybrid.

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Mercedes-Benz
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To preserve the cabin space, the rear axle is lower in the body to accommodate the 28-kWh battery. Mercedes also claims the S560e has more trunk space than the outgoing model. And if you were hoping the 6.0-liter V12 engine to return, it's being reserved exclusively for the new generation version of the posh Maybach S-Class.

Beyond the regular S-Class, the luxury sedan will also get the AMG treatment. Rumors claim they will be badged as S63 and S73 models, with the latter expected to have 800 hp on tap. Now that we know the technical details and have already seen the interior in full, we now just have to wait for the covers to come off the 2021 Mercedes S-Class's sleek exterior. This will happen on September 2 when the 2021 Mercedes S-Class makes its world debut.

Mercedes-Benz
Mercedes-Benz
Mercedes-Benz
Source Credits: Motor Trend

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