E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

Climate control LCD fix?

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Old Oct 29, 2010 | 03:02 AM
  #1  
Lancelot's Avatar
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From: the Netherlands
'01 W210 E320 CDI
Climate control LCD fix?

I have an A/C panel that has garbled digits for the temp indication on the passenger side. I have read somewhere how to fix this. Searched the forum but cannot seem to find it, anyone?!
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Old Oct 29, 2010 | 10:07 AM
  #2  
Huachipato's Avatar
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From: Richardson, TX
'04 Cobra & '04 S430
I don't think I've ever seen a fix for this, but I have the same issue as well, so I would be interested if there is a DIY Fix for this.
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Old Oct 29, 2010 | 12:04 PM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
the leds

in the dash cluster are probably what you are thinking of as the pixel repair.
Can't think of any repair other than replace bulb on the a/c unit and that won't fix a bad liquid crystal segment.
unless I am wrong r/r unit with a used one is the only solution
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Old Oct 29, 2010 | 05:43 PM
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'01 W210 E320 CDI
Yeah maybe I did mixup the cluster dead pixel fix!? Wasn't that all about soldering? Has anyone tried this with the A/C display yet?
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Old Nov 4, 2010 | 08:53 PM
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Altin's Avatar
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98 E300 TD
i had a bad lcd on my climate control and i had to replace it with a used one , but now i have an issue with the one bought , i cant turn the ec light off any idias please
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Old Nov 4, 2010 | 09:47 PM
  #6  
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
If you

can't turn the e/c light off it means your a/c compressor is not operating.
Run the diagnostics in the climate control module and see what's wrong
Probably low on r134a and system needs leak checked repaired and recharged
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Old Nov 8, 2010 | 04:37 PM
  #7  
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'01 W210 E320 CDI
After some reading up I've ordered the tool to remove the A/C control unit. I'm guessing some LCD segments not working must be a loose contact thing somewhere like the cluster flatcables. I'm going to pull the A/C unit and take it apart and see what's there to find and fix...
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Old Nov 8, 2010 | 10:45 PM
  #8  
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From: Richardson, TX
'04 Cobra & '04 S430
Originally Posted by Lancelot
After some reading up I've ordered the tool to remove the A/C control unit. I'm guessing some LCD segments not working must be a loose contact thing somewhere like the cluster flatcables. I'm going to pull the A/C unit and take it apart and see what's there to find and fix...
Let us know if you find something. I think I did that and couldn't find any cracks or broken connections in the solder. I'd be intrested to see if there is a connection you find with a bad contact or something else. I'm hoping (for all the good reasons) that you do find it.
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Old Nov 18, 2010 | 09:38 PM
  #9  
TheBenzManE55's Avatar
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From: Yorkville il
2jzGTE Powered W210, 93 500E and swerv in a burb
call the company programa our of florida, they can send you a rebuilt for like $300.00
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Old Dec 11, 2012 | 07:53 PM
  #10  
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From: Los Angeles, CA
1999 E320 Wagon
On my 1999 Mercedes Benz E320 Wagon, I had the same issue but this was after cleaning the dash parts with cleaner. Moisture could be the culprit.

Here is some info on how to open it up once it is removed:
http://s1121.beta.photobucket.com/us...CC_Disassembly

I tried to dry it out but the LCD still has issues. Does anyone know where or how to get replacement LCD screens? I really am not in the mood to buy a whole new unit!

Last edited by Mike Strip; Dec 11, 2012 at 08:39 PM.
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Old Sep 9, 2018 | 04:32 AM
  #11  
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From: Rotterdam, NY
2002 E320
Here's a repair kit .
https://www.ebay.com/itm/MERCEDES-BE...0AAOSwUYNaJxxL
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