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E-Class (W212) 2010-present: E 350, E 550

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Old 08-21-2012, 11:21 PM   #1
Join Date: Aug 2012
Posts: 1
Drives: 2011 E350 Silver/Black P1, Sport
How to Replace Cabin Air Filter - W212

Hi All,

Just got done replacing the cabin filter with a little help from one of the threads on here. Thought I would post a more detailed "how to". Its easy, relatively quick, so don't pay someone to do it.

Tools needed:
Torx T25 screwdriver
needle nose pliers
flat head screw driver (optional to help pry "c" clamps)

The cabin air filter is located in the passenger footwell right above your left foot if you were sitting in the passenger seat. To access it, just remove the cabin trim right below the glove box:

1. remove (3) Torx T25 screws right along the bottom of the glove box hinge area
2. Carefully pull the trim down from the front. Don't pull all the way because you need to disconnect 2 wires first before fully removing it.
3. Use needle nose pliers or if you have dextrous fingers, carefully remove the footwell light connector on the right, then the left hand side is a sensor of some sort. Remove that too.
4. Once both wires are removed, carefully move the cabin trim down further and lift it out. It will be tucked behind the forward footwell carpet.
5. Once out, you will notice a white sliding plastic connector on the bottom of the cabin filter. The filter sits vertically with the squared off plastic at the bottom and it is roughly at a 45 degree angle to the center console.
6. Slide the plastic piece toward you until it releases.
7. Now you have to remove 2 small "C" clamps on each end of the filter before you slide it out. These 2 small metal clamps might need a little coaxing so carefully use a flat head screwdriver to loosen them. Be careful not to bend them, just pop them off. Also, careful with the rear clamp so that it doesn't pop off and go down behind the carpet.
8. Now you can easily slide the filter out. Just pull it straight down.
9. Remove the sliding plastic white piece and put it on the new filter.

Ok Time to reverse the process and finish up!
10. Slide the new filter in and slide the plastic white connector to secure the filter.
11. Replace the "C" clamps.
12. Now the filter is secured, put the cabin trim back in. Tuck it behind the carpet, and push it up.
13. Reconnect the footwell light and sensor wires. Close the door once to test the light.
14. Push the trim back up and screw in the (3) torx screws.

And you are done! Turn the car on, run the A/C to test.
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Old 08-22-2012, 05:40 AM   #2
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Thanks for tyhe write up ,pics would be great but thanks anyway on behalf of others who like to tacke such DIY jobs

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Old 08-22-2012, 05:40 AM

air, airfilter, c63, cabin, change, eclass, filter, footwell, lighting, mercedes, replace, replacement, side, w212, w221, working

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