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

A/C is not cold.

Asked by for the 1990 Mercedes-Benz 300SL
Follow large pipe/hose that goes into car low side port is LARGER than HI side.
1 more answer , 1 more comment
is this r12 or r134 system?
R12 system.