Mercedes-Benz Forum banner
1 - 4 of 4 Posts

· Registered
2009 E350 4M Avant Garde, My Mistress 2002 S600, Wife 2014 C300 4M Avant Garde with AMG
1,216 Posts
Hello, I have a 01 S-500 and my rear a/c blows warm/hot air while the front blows cool/cold. Can somebody tell me what the problem is?? And is it a diy project?
If you have the "dedicated" rear ac, it points to the duo-valve for that unit.

You need to read the fault codes.
1 - 4 of 4 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.