E-Class Coupe (C207) & Cabrio (A207) 2010-: E250CDI Coupe, E350 Coupe, E350CDI Coupe, E500 Coupe, E550 Coupe [Coupes & Cabriolets]

Air Conditioning issue

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Old 11-10-2017, 03:26 PM
  #1  
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E350 convertible
Air Conditioning issue

I was wondering if anyone is having problems with their air-conditioning Similar to mine. The issue is that when I start up the car after sitting in the hot sun I noticed that the AC blows warm air. Even after four minutes of running the engine the air is not cool. However, if I shut the car off, wait about 15 seconds, then restart – the AC blows cold air immediately. There was no change in the engine temperature as the thermometer indicates. When I started the car first thing in the morning there was no issue with the AC blowing cold air. Are there any AC experts that can comment on why this is happening? I live in Florida so we have more hot days than not. Is there a particular sensor/part that is starting to fail?

HS
Old 12-11-2017, 11:13 AM
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A207 E250CGI
Hie Hsetty,

do you send your car to any workshop for a Short Test ?

I think the Steper motor having some problem causing the cold & hot air blend wrongly.

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