Since the two refrigerants are interchangeable, all Mercedes-Benz dealerships will have to do is replace the R-1234yf with R-134a and swap out the A/C lines. Mercedes-Benz will be notifying owners ...

called R1234yf. The new coolant was approved for use in the European Union because it has a reduced negative effect as a greenhouse gas when compared with its precursor, R134a. However ...