What is the easyest way to add a gallon ($26.00 Gallon from MB dealer) to my radiator,
I want to add it to the radiator not just into the overfolw holding tank.
Starting to approach freezeing here in seattle in the mornings, wont be long till we get a good freeze.
Is one gallon enough for my 91' 300e 3.0L.
Thanks!!!

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1991 300e 255K (14.62mpg)
1979 Corvette L82 (sold)
2000 Custom Harley Sporty 1200
(Ride Hard or Stay Home!!!).
1973 Dodge Charger 440 (sold)