Reviving this old thread as I seem to have the same problem with the A/C. When i turn the fan on the compressor kicks on but the air turns warm a few seconds later.
I was thinking of buying a freon refill kit, but I have no idea if that's something that is possible to use on the G. Is there a refill nozzle thats accessible in the engine bay? 96 G320 LWB btw.
Hilda - 1996 G320 LWB