Wierd AC issue! Please help!
#1
Senior Member
Thread Starter
Wierd AC issue! Please help!
Having a rather strange AC problem on my W211 and hoping that someone could help. When I turn AC on, I get plenty of cold air through the front vents, however, there is hot air coming from the rear vents. No matter what temperature I set on the rear control unit, the air is still very hot, as if the heater is set on its very warmest setting.
Can anyone provide any clues? Do you think that the rear control unit maybe faulty?
Thank you in advance!
Can anyone provide any clues? Do you think that the rear control unit maybe faulty?
Thank you in advance!
#2
Out Of Control!!
Join Date: Jul 2003
Location: North Scottsdale, AZ
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'71 Pinto
Common problem, the heat exchanger valve needs to be replaced.
https://mbworld.org/forums/e-class-w211/215525-my-heater-will-not-blow-hot-air.html
DIY https://mbworld.org/forums/e-class-w211/216187-plastic-trim-bottom-windshield.html
https://mbworld.org/forums/e-class-w211/215525-my-heater-will-not-blow-hot-air.html
DIY https://mbworld.org/forums/e-class-w211/216187-plastic-trim-bottom-windshield.html