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Mercedes-AMG extracts world-record power from new four-cylinder engine

  • Magazine Article
  • 19AUTP08_13
Published January 01, 2019 by SAE International in United States
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  • English
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Mercedes-Benz engineers delight in setting new technology records-because they can then start a new program to break them. At Mercedes-AMG-the out-and-out performance side of the business-that urge often brings some remarkable results, the latest being massive power output from its new 2.0-L 4-cyl. AMG's “fundamentally new” M 139 is bluntly claimed to be the world's most powerful turbocharged 4-cyl. in series production.

The raw figures for the M 139S version are a claimed output of 310 kW (421 hp) from 1.9 L of displacement; the figure is up 30 kW (41 hp) over its forebear 4-pot muscle-machinery, the M 133. Peak output is at 6750 rpm and maximum engine speed is 7200 rpm; AMG's 4-cyl. powerhouse also generates 500 Nm (369 lb-ft) at 5000 to 5250 rpm.