How often have you/should you replace this filter???

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"If ignorance is bliss, then why don't more people look happy?"

1996 Mercedes E300 Diesel (wife's ride)
1998 Dodge Ram 2500 Cummins Diesel (retired by head on)
2010 Dodge Ram 2500 Cummins Diesel (my ride)
72 Chevy Nova (my first car - had it 29 years)
2006 Yamaha 1700 Midnight Star (wife's bike)
01 Yamaha 1600 Midnight Star (my above 45 degrees ride)

Depending on how often you use the climate control, I would say somewhere in the neighborhood of every 4-5 years would be a good replacement schedule. It doesn't have to be replaced nearly as often as the dust filter.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record

I think the manual calls for every 50,000 miles on my car. The manual also calls for 30,000 mile change intervals for the dust filters. I find that I need to change the dust filters every 15,000 miles. I rarely use the charcoal filter, so I suspect I'll go at least 50,000 miles and probably more before I replace it again.

Len
'99 E300TD 75,000 miles

I have a '98 C280, and I know where the "charcoal filter" is and how to change it, but does mine have a separate "dust filter" also?

[QUOTE=clankforddoes mine have a separate "dust filter" also?[/QUOTE]

No, it does not.

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2007 C 230 Sport.

Dust Filter

http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1D00YU6RY1H416ALGB&year=1998&make=MB&model=C-280-002&category=R&part=ACC+Cabin+Filter