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

Replaced Climate CTL PNL, Now A/C Light Blinks twice

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old 10-28-2022, 11:25 PM
  #1  
Junior Member
Thread Starter
 
AugieAscot's Avatar
 
Join Date: Oct 2012
Posts: 33
Received 0 Likes on 0 Posts
E350 Cabriolet
Replaced Climate CTL PNL, Now A/C Light Blinks twice

Hi guys and gals. My wife’s 2014 E350 cabriolet (A207?) had a climate control panel with a crazed/cracked surface under the buttons. So I replaced it today with a new MB part. My question is….Do I need to do some sort of A/C Reset after changing the A/C control panel? Because the A/C doesn’t work now.
Everything works fine except went the A/C button is pressed, the light blinks twice and then stays off. The compressor never comes on. An internet search fines info on A/C Reset buttons for several MB models. I tried several none worked. I found one page that said the reset button for W212s is on the side of the compressor. I don’t see one. I scanned for codes and there are none.
So I plan to remove the center vents and head unit tomorrow morning and check the connections on the new A/C control panel. And if maybe reinstall the old panel.
Anyone have any ideas? Anyone ever replace this panel before?
Thanks for reading.
Augie








​​​​​​
Old 10-29-2022, 12:09 AM
  #2  
Junior Member
Thread Starter
 
AugieAscot's Avatar
 
Join Date: Oct 2012
Posts: 33
Received 0 Likes on 0 Posts
E350 Cabriolet
I should add that I did not disconnect the battery. Could that be my problem?
Old 10-29-2022, 01:20 AM
  #3  
MBWorld Fanatic!
 
E55Greasemonkey's Avatar
 
Join Date: Jul 2012
Location: Orbiting the planet
Posts: 4,478
Received 1,489 Likes on 986 Posts
This place is a joke.
It needs to be programmed - by the dealer or an ISP with proper MB diagnostic equipment.
Old 10-29-2022, 10:59 AM
  #4  
Out Of Control!!
 
konigstiger's Avatar
 
Join Date: Jul 2003
Location: North Scottsdale, AZ
Posts: 15,903
Received 4,435 Likes on 3,152 Posts
'71 Pinto
Or independent using Xentry (MB diagnostics), need to teach in and normalize AC actuator motors.
Old 10-29-2022, 11:59 AM
  #5  
Junior Member
Thread Starter
 
AugieAscot's Avatar
 
Join Date: Oct 2012
Posts: 33
Received 0 Likes on 0 Posts
E350 Cabriolet
Thanks for the reply/help. Of course I was looking for an easy fix so this is disappointing to hear. But if that’s what I have to do I’ll do it Monday morning. If I had disconnected the battery before starting the job, would it prevented the need for reprogramming?
Old 10-29-2022, 12:16 PM
  #6  
Out Of Control!!
 
konigstiger's Avatar
 
Join Date: Jul 2003
Location: North Scottsdale, AZ
Posts: 15,903
Received 4,435 Likes on 3,152 Posts
'71 Pinto
Originally Posted by AugieAscot
If I had disconnected the battery before starting the job, would it prevented the need for reprogramming?
No, new CU needs to be coded either way.
Old 10-29-2022, 12:32 PM
  #7  
Junior Member
Thread Starter
 
AugieAscot's Avatar
 
Join Date: Oct 2012
Posts: 33
Received 0 Likes on 0 Posts
E350 Cabriolet
Thanks. That takes some of the sting out of it.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 


You have already rated this thread Rating: Thread Rating: 0 votes,  average.

Quick Reply: Replaced Climate CTL PNL, Now A/C Light Blinks twice



All times are GMT -4. The time now is 07:23 AM.