E-Class (W212) 2010 - 2016: E 350, E 550
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Reset W212 air conditioner

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Old Aug 27, 2016 | 06:25 AM
  #1  
Lai Chor Yat's Avatar
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W212
Reset W212 air conditioner

Any one know how to reset W212 air conditioner? I try to press the recycle and defrost button simultaneously, but the LED does not flash as said.
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Old Aug 27, 2016 | 10:58 AM
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2011 E550 P2 4M Sedan
Not familiar with the reset process for AC. Maybe just pull the battery connection? What's the issue you are trying to correct?
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Old Jun 18, 2018 | 09:17 AM
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2010 e350
Ac reset

Originally Posted by Lai Chor Yat
Any one know how to reset W212 air conditioner? I try to press the recycle and defrost button simultaneously, but the LED does not flash as said.
Did you ever find out how to reset the ac?... mines isn’t working and I’m hoping a reset fixes it
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Old Aug 30, 2018 | 10:20 PM
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From: Laguna Hills, CA and Himeji, Japan
2011 W212
THread resurrection. My aircon is suddenly suffering from a delayed start. When firing up the car, fan blows full speed but no cold air at all. Then after a few minutes, a sudden blast of cold air as if the compressor if finally running (not a gradual cooling of the air flow). Is there a reset procedure for W212?

Last edited by Skeechan; Aug 30, 2018 at 10:23 PM.
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Old Feb 19, 2019 | 12:06 PM
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E63 AMG S
Bump.. any reset procedures like the old benzes
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Old Feb 19, 2019 | 12:11 PM
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What would be "reset" for AC?
Those systems operate with at least 8 sensors, so when you have a trouble, you better do sensors reading as crystal ball leaves big error margin .
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