1990 Mercedes-Benz 300SL Q&A
1990 Mercedes-Benz 300SL Question: Hi, where is the low side r12 charge port? Thanks
its the smaller of the 2 fitting and its located around compressor area. poss on compressor or low pressure line - globalhelper
May want to take it to a ac shop. Low side fitting larger of the two look on the larger hose that goes into car. - pushrod
A/C is not cold.