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Pelican Technical Article:

Air Duct Vent Removal

Steve Vernon

Time:

1 hour1 hr

Tab:

$0

Talent:

**

Tools:

Mercedes-Benz tool 140-589-02-33-00, trim removal tool

Applicable Models:

Mercedes-Benz C250 (2012-14)
Mercedes-Benz C300 (2008-14)
Mercedes-Benz C350 (2008-14)

Hot Tip:

Make sure the tools are set before pulling on them

Performance Gain:

Access behind the vent ducts

Complementary Modification:

Change cabin air filter

Removal of the air duct vents is necessary to perform many other jobs on your Mercedes. Sometimes it is nice just to remove them so you can give them and the ducts a good cleaning and detailing.

If you are planning on working on the interior of your Mercedes a good tool to own is the Mercedes 140-589-02-33-00.
Figure 1

If you are planning on working on the interior of your Mercedes a good tool to own is the Mercedes 140-589-02-33-00. While you can make your own, this tool is indispensable for removing vents, ducts, gauge clusters, etc. If you would like to make your own tool take a piece of sturdy metal at least 6 inches long and bend one end 90 degrees leaving approximately 5mm on the bent end. You are going to need to pull pretty hard on the tool so make some sort of handle on the other end.

Side Vents - There are two slots on the bottom of both side vents (red arrows).
Figure 2

Side Vents: - There are two slots on the bottom of both side vents (red arrows). Insert the tool and turn it 90 degrees so it sits in the slots on the bottom of the vent.

Side Vents - Make sure both tools are properly seated and then pull back and up (red arrow).
Figure 3

Side Vents: - Make sure both tools are properly seated and then pull back and up (red arrow). It is important that the tools are properly seated or you can really scratch up the vents if the tool slips.

Side Vents - Once the clips on the vent release you can remove it with your hands and then turn it over and disconnect the wiring connection (red arrow).
Figure 4

Side Vents: - Once the clips on the vent release you can remove it with your hands and then turn it over and disconnect the wiring connection (red arrow).

Side Vents - The procedures are the same for both sides with the exception being you need to pull the gauge cluster trim piece forward on the driver side.
Figure 5

Side Vents: - The procedures are the same for both sides with the exception being you need to pull the gauge cluster trim piece forward on the driver side. Please see our article on gauge cluster removal for additional assistance.

Side Vents - When installing the vent place it in at a downward angle so the bottom clips seat last (red arrows).
Figure 6

Side Vents: - When installing the vent place it in at a downward angle so the bottom clips seat last (red arrows).

Side Vents - The side vents can be difficult to seat sometimes so a trick is to pop off the side panel and help guide them in place by hand.
Figure 7

Side Vents: - The side vents can be difficult to seat sometimes so a trick is to pop off the side panel and help guide them in place by hand. Use a trim removal tool and gently pry away the side panel from the end of the dash (red arrow).

Side Vents - With the clips released pull the panel forward and away from the dash.
Figure 8

Side Vents: - With the clips released pull the panel forward and away from the dash.

Side Vents - You can now reach your hand in behind and help guide the vent into place.
Figure 9

Side Vents: - You can now reach your hand in behind and help guide the vent into place.

Center Vents - There are two access holes for the tool on the top of the center vent (red arrows).
Figure 10

Center Vents: - There are two access holes for the tool on the top of the center vent (red arrows). On some models these will be covered with small rubber plugs. Just remove them.

Center Vents - Insert your tool into the access holes and turn them 90 degrees so they are facing downward (red arrow).
Figure 11

Center Vents: - Insert your tool into the access holes and turn them 90 degrees so they are facing downward (red arrow).

Center Vents - With both tools securely seated, pull back and slightly up (red arrows).
Figure 12

Center Vents: - With both tools securely seated, pull back and slightly up (red arrows). Again it is important that the tools are properly seated before pulling or you can really damage the vent.

Center Vents - Once the vents release past the clips you can remove it by hand.
Figure 13

Center Vents: - Once the vents release past the clips you can remove it by hand.

Center Vents - Turn the vent over and release the two tabs on the electrical connections (red arrows).
Figure 14

Center Vents: - Turn the vent over and release the two tabs on the electrical connections (red arrows). Remember when installing to run the wiring connection down through the top of the vent housing. Installation is the reverse of removal.

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