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Old 06-19-2000, 07:24 PM
mbdoc mbdoc is offline
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Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Most cars like yours will run on lower octane fuel ie; 91 octane. As long as under acceleration you don't hear the dreaded knock then why spend money you don't need to. Of course every 2-3 tanks filling with premium would make the mix a little richer in octane.

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MERCEDES BENZ MASTER GUILD TECHNICIAN
ASE MASTER TECHNICIAN
27 YEARS DEALER M.B. Shopforeman
190E 2.3 ITS RACECAR
1986 190E 16V

Last edited by whunter; 08-29-2010 at 03:48 PM. Reason: spelling
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