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S-Class (W222) 2014-2020

Change cabin air filter

Old Nov 30, 2023 | 04:04 PM
  #1  
ebceksl's Avatar
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Mercedes S 500 4MATIC W222 (2015)
Change cabin air filter

Planning to change the cabin air filter and want to be sure I mount the new filters correct regarding the air flow direction (the arrow on the filter).

WIS says they should be mounted as follows:
"Note the mounting position. The arrows on the activated carbon dust filters must point towards the fan motor.
Otherwise, damage may occur."
Where is the fan motor located?

Guessing that they should sit according to 1 (picture)?


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Old Dec 1, 2023 | 04:23 AM
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Mercedes S 500 4MATIC W222 (2015)
Correct air flow direction?


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Old Dec 1, 2023 | 11:43 AM
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'20 GLS450, '17 S550 Sedan
Agree with @ebceksl... I just replaced my filters last week, and this matches what I saw.

Incidentally,I always take a photo of the filter placement, BEFORE removing the old ones, to ensure that I'm following suit.

Good luck!
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Old Dec 1, 2023 | 04:53 PM
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Mercedes S 500 4MATIC W222 (2015)
Thank you.
Want to be on the safe side.
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Old Dec 15, 2023 | 11:18 AM
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Originally Posted by ebceksl
Planning to change the cabin air filter and want to be sure I mount the new filters correct regarding the air flow direction (the arrow on the filter).

WIS says they should be mounted as follows:
"Note the mounting position. The arrows on the activated carbon dust filters must point towards the fan motor.
Otherwise, damage may occur."
Where is the fan motor located?

Guessing that they should sit according to 1 (picture)?

https://cimg6.ibsrv.net/gimg/www.mbw...a26f8b319d.jpg
If this helps, there should be holes on the filter itself, if you shine a flashlight inside the filter housing you should see two plastic tip/pins that comes in contact with the filter's holes to secure it in place. That should be a good guideline which side and direction to insert the filter. This is at least true on a W205, I don't see why the W222 will be different since the filter seems to be in the same location.
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Old Dec 17, 2023 | 06:19 AM
  #6  
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2022 S580
Originally Posted by ebceksl
Correct air flow direction?

Where did you find this video? Also, does Mercedes sell a mechanic's manual for a vehicle this new?, if you know.
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Old Dec 17, 2023 | 03:59 PM
  #7  
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Mercedes S 500 4MATIC W222 (2015)
Youtube:
It´s for W221 but it looks the same as for W222.

I have WIS, but the information is uncleare regarding air flow direction.
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Old Jan 30, 2024 | 03:43 PM
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2019 S560, 2015 Honda Civic Hybrid
Perfect, the arrows point to each other, many thanks!!
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