'80 500SEL gas mileage and low octane gas???
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'80 500SEL gas mileage and low octane gas???
Hi,
Anyone know what to expect for highway gas mileage on a 1980 500SEL?
Also can lower 87 or 89 octane gas be used without causing damage to the engine?
Thanks in advance,
Dan
Anyone know what to expect for highway gas mileage on a 1980 500SEL?
Also can lower 87 or 89 octane gas be used without causing damage to the engine?
Thanks in advance,
Dan
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