Quote:
Originally Posted by lizem100
I thought heavier oil protected better and low wt oils were chosen as gas mileage improves slightly and manufacturers would give up engine wear(which we pay for ) for better gas mileage.
So should I run 10-30 or 5-30 in my S430? Why does Honda want 0-20? Just to save more on gas mileage?
Thanks
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A 0w40 would be a heavier oil at temperature.
Unless you find a 10w30 or a 5w30 approved by MB I wouldn't.