July 2, 2013
Although even GM has come to the defense of Dupont in declaring the refrigerant R1234yf safe for use in passenger vehicles, Mercedes continues to stand by its contention that R1234yf can be flammable in certain real-world conditions. Late last year, Mercedes-Benz published the results of its tests, where a head-on collision ruptured the AC lines of the test vehicle, spewing the contents on the hot engine. This combination caused a fire which obviously left the German manufacturer uncomfortable and concerned. With these results in mind, Mercedes applied and was granted dispensation by German federal authorities to continue using the tried and tested R134a refrigerant for a few more production vehicles.... Continue Reading »
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