...be services by as a DYI project. Where is the service port and does the 1992 mercedes benz 300 use 134a? Has to take 134. R-12 is banned and no longer availabl. Ac should be serviced by a person ...
how to convert my a/c r12 to 134a my car is mercedes e300 1986 As far as I know you only have to change the compressor and dryer-filter to comply with 134a. Other components from old Freon 12 are safe
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