Quick way to change Cabin Air Filter
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Super Member
Joined: May 2008
Posts: 699
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From: Warrington, PA
08 R350, 12 Mercedes R350
Quick way to change Cabin Air Filter
I just replaced Cabin Air filter without remove glove compartment in 5 minutes.
Here is the picture. (Remove the 2 clips, take out the vented box and u should see 2 filters in there)
Here is the picture. (Remove the 2 clips, take out the vented box and u should see 2 filters in there)
Last edited by AsianR350; Apr 10, 2010 at 05:31 PM.
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Mercedes R 320 CDI Sport 4Matic
if you have more pictures please post.
Thread Starter
Super Member
Joined: May 2008
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From: Warrington, PA
08 R350, 12 Mercedes R350
It is very easy and everyone can do it.
When look at the left engine compartment, u should see a vented box. There are 2 clips at the far side, pop it up an remove the box. Reach in, lift up the filter and pull out one at the time. replace with new filters. Put back the vented box and snap the clips. DONE
Here are the pics. that show the 2 clips.
Last edited by AsianR350; Apr 11, 2010 at 08:23 AM.
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From: Chicago
2006 R350
??? for AsianR350
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Joined: May 2008
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From: Warrington, PA
08 R350, 12 Mercedes R350
Hi AsianR350 I got to the point where the cover is off just as in your picture, I have a 2006 R350 and on mine there is a plasitic bar just above the filters. It looks like it may be the damper to block off the OA if you only want to recirculate the air in the cabin. I can't see how you got them out though the top if you have that same bar. If you were able to and you have the same bar I will give it another go.
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Joined: Jan 2002
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From: Nashua, NH
2008 VW GTI
Our R350 has the bar. It was tough but I managed to do it. Inserting the 1st one wasn't terrible. But the 2nd was HARD. That bar is in the way for sure. I used force as my patience ran out and it eventually "clicked" in.
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Newbie
Joined: Sep 2008
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r350
Just changed mine yesterday (thanks to this thread) and I did not see any bar. I have a 2008 R350. Getting the second filter in took a little squeezing and manhandling but I got it in. Old filters were dirty! Also, checked the drain hole while i was there and happy to see it wasn't clogged. Great shortcut and great forum. Thanks!
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Junior Member
Joined: Mar 2006
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From: Boston
2006 C280 4Matic
I have a 2007. Mine has no bar but I have a single big filter and it is impossible to remove because the filter is held in place by three slots (sides and firewall side). It is constructed so it will have to slide out of the glovebox. I could remove the existing filter from the engine compartment only by destroying it, but then I will have no way to insert the new filter into the slots from above.
Last edited by anakin14; Aug 3, 2011 at 09:09 PM.
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From: Chicago
2006 R350
I finally change the filters. I bought a charcoal filter pad that you can buy at any Home Depot. I cut it to size to fit over the new filters as a pre-filter. The charcoal pre-filter will remove odors better than the plain box filters and will extend the life of the filters. Next time a change the charcoal pre-filter it will only take 2 minutes.
Junior Member
Joined: Nov 2011
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2009 R350
Thanks to AsianR350. 2009 R350, 5 minutes and saved over $100. No bar in mine and two filters. Dealer quote was $125.26 parts and labor. Mann Filter CUK 2646-2 from Amazon.Com. $22.91 for both. Thanks again
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From: Warrington, PA
08 R350, 12 Mercedes R350
I just did replaced my cabin filters second time last week.
Thread Starter
Super Member
Joined: May 2008
Posts: 699
Likes: 25
From: Warrington, PA
08 R350, 12 Mercedes R350
I finally change the filters. I bought a charcoal filter pad that you can buy at any Home Depot. I cut it to size to fit over the new filters as a pre-filter. The charcoal pre-filter will remove odors better than the plain box filters and will extend the life of the filters. Next time a change the charcoal pre-filter it will only take 2 minutes.
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Joined: Jun 2009
Posts: 84
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2004 Mercedes E320 Wagon
I just did this on my 2008 R350. - no bar and two filters side by side. For me, it was easier to install the first to the right side as you're facing it. Then slide it over to the left side, now put in the second one towards the right again, but you'll squeeze and tease it in.
Skeptical at first, but it can be done. There's no way to do this without deforming the filter a little bit, but that's only as you're setting it into it's frame. Once there, just tease it back to normal shape and you're good. Took me about 10 minutes to do!
Skeptical at first, but it can be done. There's no way to do this without deforming the filter a little bit, but that's only as you're setting it into it's frame. Once there, just tease it back to normal shape and you're good. Took me about 10 minutes to do!
Last edited by aa240sx; Nov 12, 2013 at 05:28 PM.
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Super Member
Joined: May 2008
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From: Warrington, PA
08 R350, 12 Mercedes R350
Use a screwdriver to pry toward the front of the car to remove the screen cover (pull up the seal rubber up and you can see the 2 clips)
Newbie
Joined: Mar 2015
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R320CDi
I've had problems with the car fogging up so I guessed the cabin filter might be blocked. When I took the vented cover off, I could hear a lot of water escaping underneath. Is that right? Should there be some drain holes for it to escape naturally? Maybe they're blocked? Help!
Junior Member
Joined: Nov 2011
Posts: 18
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2009 R350
I've had problems with the car fogging up so I guessed the cabin filter might be blocked. When I took the vented cover off, I could hear a lot of water escaping underneath. Is that right? Should there be some drain holes for it to escape naturally? Maybe they're blocked? Help!
Newbie
Joined: Mar 2015
Posts: 2
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R320CDi
I've read about this, it has to do with the poor drain holes in the cabin filter assembly. Here's a link the the discussion in this forum. Probably clogged drain holes. Link
Thanks.
