Quote:
Originally Posted by pwjeep
I'm thinking about buying a 1999-2005 gas Mercedes. I think I remember reading that Mercedes specifies using 91 or 93 octane premium.
Has anyone tried to run 87 (regular) octane gas in these cars? What is the performance difference? Does it "hurt" the engine or does the computer compensate for the difference?
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The computer will compensate for it, but don't get in a habit of running cheap 87 all the time. A tank now and then is ok, 2-3 tanks in a row is not. But, at 15 cents a gallon premium it's only like $3 more filling up a bone dry tank... Is it worth it?
09-13-2008, 10:50 PM
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