- Mercedes-Benz C-Class and C-Class AMG: Why is My Heater Not Working?
Guide to diagnose trouble and recommended solutions
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W204 - 2011 C300 Heater/AC issue
Just wondering if any of you have encountered this issue on your C300. I searched the forums and it seems like this happened a couple times to a couple 2008 C300 but never on a 2011. I live in Michigan and right now it's bitter cold (10F). On my drive to work (7am) everything is great. Everything works, my car zips through the snow and my heater is working great. I come home from work (5PM) and no issues. Let's say I want to leave the house 1 hour later....and no heat. The control still work inside my car but no blower. I've checked fuses and spun the heater by hand (under the battery cover)....fast forward to 10pm when i'm on my way back home and all of the sudden starts working again (making it a pain in the *** as the Mercedes dealer will only fix something that is broken). What is going on!?!?!?!

Could it be that snow is melting and leaking on my blower motor and freezing? I have no explanation. I'll try to plead my case to the dealer and see what they can do. If you guys have any idea please help!
Thanks!
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