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#1
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Is hotter better? 300SD 79
I can't seem to find the link, but I read somewhere that using a thermostat rated a few degrees hotter than the default 80 c, gets better performance and fuel efficiency in Mercedes Diesels. I am curious if there is any truth to this.
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#2
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Nope, that trick is for g@ssers. 80*c is where they should be.
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