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Originally Posted by PlayersSL
The thought just crossed my mind since Gas prices are ridicusously high. Even though most Mercedes cars require/reccomend PREMIUM grade gas, can you put in REGULAR and put in 1-2 bottle of Octane booster that claims that will boost your ocatene points by a certain number? WIll this have any ill effects or havea ny harm to the engine? Its Just a thought since I was working on my car yesterday.
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If my math is correct, for a 15.5 gal tank, you would need about 2 gallons of 114 octane booster to raise a tank of 89 octane regular to 92 octane. Hardly cost efficient. Around here, premium is about 20cents more per gal, so an extra $3.00.
glenmore