Date registered: Jul 2006
Vehicle: 2008 C230 4MATIC; 2008 ML320 CDI 4MATIC
Location: Toronto, Canada
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91 octane is the correct fuel for MB. This is also the highest rating available in North America. Some petrol stations offers octane rating higher than 91 by adding ethanol to the fuel. The manual says that fuel with ethanol additives is ok for MB, but I heard that about 3 years BMW owners had issues with this fuel type, so I haven't tried it.
The octane ratings usually available at any North American gas stations (States & Canada) are 87, 89 and 91.
What are the ratings available in Europe?
92% of all people suck at math. I am a part of the 9% who don't.
2008 ML320 CDI 4MATIC (W164) - Silver/Black
2008 C230 4MATIC (W204) - White/Black
2002 E320 (W210) - Silver/Black - Sold due to rust