What gas does the 2020 Mercedes-Benz C-Class take?

The EPA rates every 2020 Mercedes-Benz C-Class engine on premium gasoline - Mercedes-Benz recommends or requires premium, and the label inside the fuel door says which.

Key takeaways

  • 4 EPA-certified configurations listed for the 2020 Mercedes-Benz C-Class.
  • Rated on premium: if the owner's manual says premium required, use premium; if it says recommended, regular works with some loss of power and economy.
  • None of the listed engines is flex-fuel, so do not use E85.

Parts for the 2020 Mercedes-Benz C-Class

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2020 Mercedes-Benz C-Class: every EPA-listed configuration
EngineTransmissionDriveRated fuelE85
2.0L 4-cylinder turbo9-speed automatic4WDpremium gasolineNo
2.0L 4-cylinder turbo9-speed automaticRWDpremium gasolineNo
3.0L 6-cylinder turbo9-speed automatic4WDpremium gasolineNo
4.0L 8-cylinder turbo9-speed automaticRWDpremium gasolineNo

Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov). Each row is one certified configuration; a trim or option not sold in a configuration is not listed.

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