AC/Heater Blower not working for 1990 300E, need help
 

I cleaned my engine with Gunk and hosed it of with water everything looked good, AC and everything worked fine. The next morning when I turned it on no air no blower. I checked the fuse box, fuse looks good. I am wondering if anybody can give me advise on what to look for. Thank you in advance.

Check the blower auxiliary fuse. It is a metal strip fuse located in a rectangular plastic box on top of the driver's wheel well in front of the main fuse box.

Jim
 

Thanks for your help, that solve the problem. I went straight to a MB dealer in Doylestown and they didn't even charge me for the metal fuse...It's my lucky day.
Edgar

Glad that was the problem and it was solved for free. As I understand it, that was a design modification made after the early 300E's started blowing the blower fuse all the time. The early ones all had to be brought in to be modified. It's a 30 amp fuse.