Originally Posted by Diseasel300

I don't know on the 107s. My 500SL has had the A/C broken since 1998 and I've never torn into it to repair it. The front seal on the compressor is blown, any gas you dump in sprays right back out. I should get off my butt and fix it so it gets used more. I've never laid hands on anything on that system other than the charging ports, so I'm not sure if they use the block-style expansion valve, or the old-school bulb style.