1990 Mercedes-Benz 300SL Q&A

1990 Mercedes-Benz 300SL Question: Hi, where is the low side A/C charging port? Thanks

Answer 1
is this r12 or r134 system? -
Comment 1
R12 system. -
Answer 2
Follow large pipe/hose that goes into car low side port is LARGER than HI side. -