Thread: 2000 E320 4matic opinions?
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Old 05-29-2009, 09:25 AM
loubapache loubapache is offline
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Location: Western Michigan
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Quote:
Originally Posted by jlomon View Post
I only use Shell premium 91 Octane, which contains 0% ethanol. As I understand it, ethanol burns cleaner but has less energy than gasoline. If your fuel contains ethanol, that might be where you are seeing the difference.
I also use Shell premium. The station I go to has 93 Octane but has 10% ethanol.
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