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PM2.5 Cabin filtration

Old Jan 19, 2020 | 10:52 PM
  #1  
dynjo's Avatar
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C43 AMG
PM2.5 Cabin filtration

Hi,

I live in Bangkok where we are having some pretty bad PM2.5 air quality issues right now.

Does anybody know if the factory cabin filters (I have a 2018 C43) remove PM2.5 matter or is is something available from Mercedes as an option?
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Old Jan 20, 2020 | 04:32 AM
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fabbrisd1's Avatar
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A gaggle of MB's
I would suggest you consider three things... since PM2.5 particles are so-so small they can only be addressed in the best commercial true HEPA filtration systems - which vehicles simply do not have..

1. There are two filters in your system... a "particulate filter" and the "cabin filter" - this gives you a good look at both filters to see what they are about :

https://www.ebay.com/itm/OEM-GENUINE...-/272307661352

2. Become familiar with the Air Recirculation button on your Climate Control - when activated that cuts off exterior air from coming into the system (red light on) for about 30min - in high humidity area like Bangkok since this also stops de-humidification of the cabin air than can lead to interior fogging. You can manually activate - activate again in succession - or deactivate when on to prevent fogging.

3. Car Ionizer's are something you could consider - a true "ionizer" will charge PM2.5 pollutants so they will "catch" on interior surfaces (like glass or carpet) - the Koreans and Japanese have built some righteous units - China makes a bunch on not-great ionizers. One of the best sellers in Japan is this Sharp unit:

https://www.ebay.com/itm/SHARP-IG-FC...-/292126308265



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