Can the Mercedes-Benz CLA200 use 92 octane gasoline?

2 Answers
Ellen
07/24/25 6:08am
Mercedes-Benz CLA200 can use 92 octane gasoline. How to refuel the Mercedes-Benz CLA200: Before opening the fuel tank cap of the Mercedes-Benz CLA, the vehicle needs to be turned off and parked stably. Locate the fuel tank cap of the Mercedes-Benz CLA, press the left side of the fuel tank cap, and when the fuel tank cap pops open, proceed with refueling. Precautions for refueling: Owners should only use the octane rating recommended in the vehicle's user manual and avoid changing the rating arbitrarily. The engine must be turned off during refueling. While the vehicle is running, the flow of exhaust gases and minor wear on the electrical wiring can generate static electricity or even sparks, which in humid conditions could pose a risk of igniting or exploding the gasoline.
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VanLily
08/11/25 1:51am
As a Mercedes-Benz owner, I must remind you never to use 92-octane gasoline in the CLA200. This model is equipped with a turbocharged engine that has a high compression ratio and requires strict fuel anti-knock performance. The manufacturer clearly specifies 95-octane or higher, as stated in both the manual and the fuel cap. Forcing lower-octane fuel will cause knocking, sounding like firecrackers in an iron barrel, and over time, it will damage the pistons and cylinder walls. A friend of mine tried saving money with 92-octane, only to trigger the engine warning light multiple times, costing over 2,000 RMB for carbon cleaning at the dealership. Even if you can't find 95-octane fuel temporarily, it's better to call a tow truck than to use the wrong fuel.
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