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2019 2.0 Turbo 4 Fuel Requirements

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CLA Coupe (C117) 2014-present

2019 2.0 Turbo 4 Fuel Requirements

 
Old 01-26-2019, 11:38 AM
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2019 2.0 Turbo 4 Fuel Requirements

Hello all, new member here. A good friend of mine just yesterday purchased a new 2019 CLA 250 with a 2.0 Turbo 4 engine. He is from Asia and I helped him through the purchasing process. He is also completely clueless on anything automotive. I specifically asked the sales person if the car can burn regular 87 octane gasoline and she said yes and that the engine would adapt and power would drop a bit but not really noticeably. The owner's manual says the engine requires minimum 91 octane. Which is correct? Thanks in advance.
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Old 01-27-2019, 07:55 AM
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Nobody? What fuel do you guys use?
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Old 01-27-2019, 10:25 PM
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Stick with 91 my dude. lower octane means you'll lose power, and the engine won't run at its most efficient.
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