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Pelican Technical Article:

Cabin Air Filter

Kerry Jonsson

Time:

15 minutes15 mins

Tab:

$25

Talent:

*

Tools:

10mm socket or wrench

Applicable Models:

Mercedes-Benz W211 (2003-09)

Parts Required:

Cabin air filter

Hot Tip:

Change air filters at the same time

Performance Gain:

Cleaner air into cabin

Complementary Modification:

Replace engine air filter

Mercedes Benz vehicles can either have fully electronically controlled climate control or a manually controlled system. Electronic climate control means you set a specific temperature and sensors in the cabin will control the blend and mode doors to keep the cabin at that specific temperature setting; no matter which system you have fresh air is taken in from the cowl area through a cabin air filter. This charcoal activated filter filters out impurities before the air enters the cabin. In this tech article we will go over the steps to replace your cabin air filter.

Mercedes Benz recommends that you replace the cabin air filter every 15,000 miles. We suggest you do it more frequently especially if you live in dusty areas.

This picture illustrates the right side of the engine compartment near the base of the windshield.
Figure 1

This picture illustrates the right side of the engine compartment near the base of the windshield. Under the black cover is where the cabin air filter is located. Remove the 10mm plastic nut (green arrow) that holds down the front of the cover.

Lift up on the front of the cover.
Figure 2

Lift up on the front of the cover.

Lift up on the rear of the cover to unseat the mounting tabs (green arrows), then remove the cover from the vehicle.
Figure 3

Lift up on the rear of the cover to unseat the mounting tabs (green arrows), then remove the cover from the vehicle. .

Pull out the cabin air filter housing and flip it over.
Figure 4

Pull out the cabin air filter housing and flip it over. You can use a plastic pry tool to lever the filter out the housing. Installation is the reverse of the removal steps. Fit the cabin filter into the housing. Flip over the housing and hook the rear of the housing on its seat on the HVAC housing. Push down on the front of the cabin filter housing and install the plastic 10 mm nut to hold down the front of the cover.

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Comments and Suggestions:
Edwin Comments: My car is 2008 E550 4M, when I search my parts, I found 2 extra small filters on the list, as the link :
http://www.pelicanparts.com/catalog/SuperCat/4217/MBZ_4217_BASFLT_pg2.htm#item6
but, when i changed the led bulb for the passenger foot weel, I did not find any filter or even filter housingI did open the panel, can someone tell me is it common for some car they didn't equipped small inside carbin filter?
January 9, 2017
  Followup from the Pelican Staff: I think it depends on the type of HVAC system you have. You may have exterior and interior filtering. Give The Pelican Parts parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.
- Nick at Pelican Parts
 
Judy Comments: My Mercedes is a 2004 E 500. It beautiful I just need to learn what all there is learn. Thanks
December 8, 2016
  Followup from the Pelican Staff: No problem. Glad to help. - Nick at Pelican Parts  
Judy Comments: Hello My name is Judy and I just bought a 2004 Mercedes. I need to get a owner Manuel. Do have them?? or can you order it for me.Thanks.
Judy Easterly
8910 Junipero Av. Atascadero Ca. 93422
December 8, 2016
  Followup from the Pelican Staff: Available online for free:

https://www.mbusa.com/mercedes/service_and_parts/owners_manuals#!year=2004&class=E-Class - Nick at Pelican Parts
 
Mike Comments: Need to be very careful not to over torque the 10mm nut holding down the front of the cover. One extra turn and I cracked the plastic and had to purchase a new cover.
February 18, 2016
  Followup from the Pelican Staff: Thanks for the additional info and feedback. We appreciate it.
- Nick at Pelican Parts
 

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Page last updated: Fri 1/20/2017 02:32:45 AM