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Mercedes Reveals a New Four-Cylinder Diesel Engine for the E-Class

(Credit: © Mercedes-Benz)

Fuel Efficiency

Mercedes Reveals a New Four-Cylinder Diesel Engine for the E-Class

2017 Mercedes-Benz E-Class

2017 Mercedes-Benz E-Class (Credit: © Mercedes-Benz)

It’s no secret that Mercedes-Benz is a leader in producing diesel engines of all shapes and sizes. Today, the luxury automaker has announced a new small-displacement diesel engine to power the redesigned E220d.

This new powerplant replaces the outgoing OM 664 diesel engine that powered the last-generation E220d. Despite its smaller displacement relative to its predecessor—1,950 cc versus 2,143 cc—the new OM 654 four-cylinder diesel engine produces an extra 18 kW (24 horsepower), putting it at 143 kW (192 horsepower) and 400 Nm (295 pound-feet) of torque.

What’s more, this smaller engine is also 35.4 kg (78 pounds) lighter than the 2.1-liter from last year. The weight loss is due to this engine being the first-ever all-aluminum four-cylinder diesel engine, its smaller displacement, and the plastic engine mounts.

New OM 654 2.0-Liter Diesel Engine

New OM 654 2.0-Liter Diesel Engine (Credit: © Mercedes-Benz)

Thanks to the reduced weight, the E220d will be nimbler than ever. This reduced weight and updated technology, like the Nanoslide coating on the cylinder walls and a multiway exhaust gas recirculation valve, will also help increase this new engine’s efficiency and reduce CO2 emissions by up to 13 percent.

Given the last-generation E250 BlueTEC used a version of Mercedes’ 2.1-liter diesel engine, I would suspect that a retuned version of this new 2.0-liter will make its way to the U.S. at some point. More details on this engine and its potential arrival here in the U.S. should come soon as it is set to debut in Europe in the spring of 2016. If it does make it to the U.S., look for this model to carry the E250d designation.

We’ll bring you more details on this engine and its prospects of being available in the U.S. once these details become available.

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