Can't find the jump port on my 1994 sl500

SOURCE: mercedes sl500 1999. no throttle

change mass airflow sensor

SOURCE: removal plastic engine cover to access air filter

Just give it a firmish pull upward, its held on with spring clips only. The air filters are either side under plastic covers. Youwill need a torxs screwdriver of the correct size

SOURCE: My 1994 Mercedes Benz SL500 radio display turns on, but no sound?

I had same problem with my 1994 SL600. Also when this happens you will lose your interior door lights when you open the doors. My problem was solved by taking out the, A-white 40 amp 12V Relay and cleaning off the 6-prongs and reinstalling. It is located in the box underhood ahead of the main fuse box. Just need a phillips screwdriver. It is the fartherest relay in back left. I had to pull the one out in front of it to be able to remove the white one. You can hear it click when you push in dooropen switch. When working right you do not hear it. Hope this helps.

SOURCE: 2003 sl500 won't start - just makes a clicking

starter is bad

SOURCE: 1994 mercedes SL500 air conditioner will blow cold

Most likely low freon tripping the relay so as not to hurt the compressor. Ambient temp has alot to do with it. Low side should be pegged on the gage when reading with motor off. While running with full a/c at ilde should be arout 50 psi, at 2000 rpms should be at least35 psi. When outside temp drops it will turn the Klima relay off or when pressure drops while running it can shut off. If the pressures are correct the pressure switch on the drier could be bad.