M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Air blend motor replacement

Old Sep 1, 2016 | 05:04 PM
  #1  
ellabecca4's Avatar
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1999 Mercedes ML 320
Air blend motor replacement

Hi, I cannot find the thread or video that shows how to replace the air blend motor by removing the radio and not messing with the air bag at all. Does anyone have a link to it or am I imagining this really exists?
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Old Sep 3, 2016 | 04:17 AM
  #2  
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2002 ML 320 & 2006 ML500
No there isn't. Do you want the proper method?
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Old Sep 3, 2016 | 08:23 AM
  #3  
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1999 Mercedes ML 320
Yes, sir. Please.
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Old Sep 3, 2016 | 12:42 PM
  #4  
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To properly replace the Blend Door Actuator/Motor and /or its levers, the following procedure should be followed.

This procedure eliminates the breaking of the tabs on the passenger side air bag deployment door and also eliminates the removal of the air bag. Only the top half of the instrument panel needs to be removed.

Also before starting, make sure that you have your radio code.

1. Remove left and right "A" pillar trim panels.
2. Remove upper and lower covers on steering column (3 screws).
3. Remove Instrument Cluster.
4. Remove center section of instrument panel (with plastic pry tools).
5. Remove radio (with keys).
6. Remove glove box
7. Remove defroster vent strip (with plastic pry tools).
8. Remove items, 6-7-9 if so equipped (with plastic pry tools)
9. Remove side panels #128

Start by removing those screws indicated in red.

Pull the ends and the top of the lower portion of the instrument panel slightly away to reveal the two green screws.
The two screws are upward inside that cavity. Feel around inside and locate them by hand or use a small mirror.

Then remove the two screws indicated in green.

Those screws indicated in purple might or might not be there, depending on model year.

Then gently pull away the top portion of the instrument panel, all the time making sure that every screw has been removed.

After installing the new Blend Door Motor and before replacing the Instrument Panel, reattach the A/C-Heater Controller, start the truck and check the workings of the Blend Door in every temperature stage.

On re-installation, it might be easier to fit the upper dash if the end and middle A/C vent were removed. If so, remove them by unlocking them from the back side.

Hopefully I have accounted for everything and good luck.
Attached Thumbnails Air blend motor replacement-2016-09-03_123227.jpg   Air blend motor replacement-2016-09-03_123319.jpg   Air blend motor replacement-radio-keys.jpg  
Attached Files
File Type: pdf
R&I A Pillar Trim.PDF (30.4 KB, 1586 views)
File Type: pdf
R&I Instrument Cluster.pdf (59.0 KB, 1319 views)
File Type: pdf
R&I Radio 2.pdf (39.7 KB, 957 views)
File Type: pdf
R&I Center Section of IP-2.pdf (114.1 KB, 1142 views)
File Type: pdf
R&I Glove Box-Early.pdf (21.3 KB, 1063 views)
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Old Sep 7, 2016 | 03:20 PM
  #5  
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1999 Mercedes ML 320
Thank you so much! I feel more comfortable with this than the video that calls for super glue. Thanks again, Rebecca
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Old Sep 7, 2016 | 10:53 PM
  #6  
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Originally Posted by ellabecca4
Thank you so much! I feel more comfortable with this than the video that calls for super glue. Thanks again, Rebecca
Good man. It's not that difficult. Just make sure that the two GREEN SCREWS are removed, as then are indented in the opening.
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Old Jan 16, 2023 | 08:18 AM
  #7  
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mercedes e class w212
Originally Posted by Maj. Dundee
To properly replace the Blend Door Actuator/Motor and /or its levers, the following procedure should be followed.

This procedure eliminates the breaking of the tabs on the passenger side air bag deployment door and also eliminates the removal of the air bag. Only the top half of the instrument panel needs to be removed.

Also before starting, make sure that you have your radio code.

1. Remove left and right "A" pillar trim panels.
2. Remove upper and lower covers on steering column (3 screws).
3. Remove Instrument Cluster.
4. Remove center section of instrument panel (with plastic pry tools).
5. Remove radio (with keys).
6. Remove glove box
7. Remove defroster vent strip (with plastic pry tools).
8. Remove items, 6-7-9 if so equipped (with plastic pry tools)
9. Remove side panels #128

Start by removing those screws indicated in red.

Pull the ends and the top of the lower portion of the instrument panel slightly away to reveal the two green screws.
The two screws are upward inside that cavity. Feel around inside and locate them by hand or use a small mirror.

Then remove the two screws indicated in green.

Those screws indicated in purple might or might not be there, depending on model year.

Then gently pull away the top portion of the instrument panel, all the time making sure that every screw has been removed.

After installing the new Blend Door Motor and before replacing the Instrument Panel, reattach the A/C-Heater Controller, start the truck and check the workings of the Blend Door in every temperature stage.

On re-installation, it might be easier to fit the upper dash if the end and middle A/C vent were removed. If so, remove them by unlocking them from the back side.

Hopefully I have accounted for everything and good luck.
Hi Maj. My name's Ivars from the U.K. I'm just wondering if you have a similar set of instructions for a 2009 Mercedes E Class W212!
Many thanks
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Old Jan 20, 2023 | 08:04 PM
  #8  
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What is your full vin #, no spaces?
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Old Jan 21, 2023 | 07:21 AM
  #9  
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mercedes e class w212
Hi Maj Thanks for the reply
Vin number is WDD2120022A106134
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Old Jan 21, 2023 | 08:13 AM
  #10  
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mercedes e class w212
Vin number

Hi Maj. Thanks for the reply. My car is right hand drive and the vin number is WDD2120022A106134
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Old Mar 23, 2023 | 11:35 PM
  #11  
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GLE 580
Originally Posted by Maj. Dundee
To properly replace the Blend Door Actuator/Motor and /or its levers, the following procedure should be followed.

.
Not sure how you get your info but is there any chance you have a way of looking this up for a 2020 GLE V167?

Last edited by wildta; Jun 30, 2023 at 10:02 PM.
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Old Jun 30, 2023 | 02:55 PM
  #12  
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w212
Hello all, I think my w212 motor needs replacing too, is it the same way? I’m UK and RHD also
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Old Dec 20, 2023 | 10:46 PM
  #13  
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ML 350 CDI
W166 Troublecode 90A207

Good Morning,

Can I Ask a question regarding for the Mercedes Benz ML 350 CDI 2013 as per check on the scanning there is fault regarding ( The Actuator motor for the left blend air flap has malfunction) what is the possible problem. Thank you
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