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Pelican Technical Article:

Stereo Removal

Steve Vernon

Time:

1 hour1 hr

Tab:

$1500

Talent:

**

Tools:

Mercedes-Benz tool 140-589-02-33-00, T20 Torx, flathead screwdriver

Applicable Models:

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

Parts Required:

Stereo

Hot Tip:

Use care removing the metal connection

Performance Gain:

Working stereo

Complementary Modification:

Clean the air vents

If your stereo has stopped working it is going to have to come out from the center console to diagnose or replace it. The first thing you want to do is remove the stereo unit so you can check the small fuse on the very back under the electrical connections. While you need to completely remove everything to check this fuse, it will save you $1500 dollars if that fixes the problem.

There are three components in the center of the dash: the control monitor (green arrow), the center vents (yellow arrow) and the stereo unit (red arrow).
Figure 1

There are three components in the center of the dash: the control monitor (green arrow), the center vents (yellow arrow) and the stereo unit (red arrow). The center vents will need to come out first before you can remove the stereo.

I 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 2

I 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 tools 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 six 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.

Open the face to the control monitor.
Figure 3

Open the face to the control monitor. You will find 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.

Insert your tool into the access holes, and turn them 90 degrees so they are facing downward (red arrow).
Figure 4

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

With both tools securely seated pull back and slightly up (red arrows).
Figure 5

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

Once the vents release past the clips you can remove the vent housing by hand.
Figure 6

Once the vents release past the clips you can remove the vent housing by hand.

You can place the vents and housing out of the way but I recommend removing it completely so you get it out of the way.
Figure 7

You can place the vents and housing out of the way but I recommend removing it completely so you get it out of the way. That way you won't risk damaging it.

Turn the vent over and release the two tabs on the electrical connections (red arrows).
Figure 8

Turn the vent over and release the two tabs on the electrical connections (red arrows). Remember when installing to run this wiring connection down through the top of the vent housing.

With the center vents removed use a T20 Torx and remove the two screws at the top of the stereo unit (red arrows).
Figure 9

With the center vents removed use a T20 Torx and remove the two screws at the top of the stereo unit (red arrows).

Behind the area where the screws mount are two tabs that must be lifted up to release the stereo (red arrows).
Figure 10

Behind the area where the screws mount are two tabs that must be lifted up to release the stereo (red arrows).

Use a flathead screwdriver.
Figure 11

Use a flathead screwdriver. Reach behind the plastic part of the dash and lift the metal clip on each side (red arrow).

With the tabs lifted you can pull the stereo out (red arrow).
Figure 12

With the tabs lifted you can pull the stereo out (red arrow). There are four metal posts -- two on each side (yellow arrow, one shown) that help support the stereo. You will need to move the stereo up or down according to the path of the posts to completely remove the stereo.

Pull the stereo out far enough to press down on the tab and remove the electrical connection on the right side (red arrow) and separate it from the unit.
Figure 13

Pull the stereo out far enough to press down on the tab and remove the electrical connection on the right side (red arrow) and separate it from the unit.

Gently pull the stereo out and turn it around so you can access the rear.
Figure 14

Gently pull the stereo out and turn it around so you can access the rear. Remove the antenna retainer from the back (red arrow) by sliding out of the hole in the unit. Next, press in on the two tabs and separate the electrical connects (yellow arrows). Then wiggle and pull the metal fitting from the back (green arrow).

Unclip the lever and swing the handle upwards that releases the main wiring connection (red arrow).
Figure 15

Unclip the lever and swing the handle upwards that releases the main wiring connection (red arrow). This will remove this as a single unit.

Now you can check the fuse that is located under the main wiring harness (red arrow).
Figure 16

Now you can check the fuse that is located under the main wiring harness (red arrow). I know it's a lot of work to check the fuse but be happy if it is something as simple as this.

While installing an aftermarket stereo is beyond the scope of this article you will have a large opening to work with if you go that route.
Figure 17

While installing an aftermarket stereo is beyond the scope of this article you will have a large opening to work with if you go that route. Installation of the stock unit is the reverse of removal.

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Comments and Suggestions:
Tonia Comments: my c300 2008 Mercedes radio stopped working and all the fuses are good. The radio donot light up or turn on. What can be checked next or done?
October 11, 2017
  Followup from the Pelican Staff: Remove radio, check power and ground to radio. Are they good? Does the fiber optic flash when car is turned on? - Nick at Pelican Parts  
Dreezy Comments: So I can install the pioneer 8200nex in the c250 coupe? And so how hard would it be to cover the hole and where would the hole be located?
June 14, 2017
  Followup from the Pelican Staff: You mean the radio mounting hole? You can buy an aftermarket radio adapter. 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
 
tony Comments: Hello,
This is a good website. For a 2008 c300 the control monitor went dark but stereo unit still plays, can you recommend the most common solution for this situation. Thanks
June 11, 2017
  Followup from the Pelican Staff: Check the display for power and ground, also ignition signal. if present, the display is likely faulty. - Nick at Pelican Parts  
kouroshavin Comments: Hi,my mb is c250 2013. i want install backup camera. please help me,cause i don't know witch one connectors on the back the stereo are for camera,thnx a lot
February 9, 2017
  Followup from the Pelican Staff: I do not have that information, I would recommend picking up a repair manual with wiring diagrams, and then you can figure that part out. - Casey at Pelican Parts  
Big Den Comments: I want to buy an AM-FM radio that will replece the stock unit and work with the steering wheel controls. This is for my 2002 CLK 430 coupe.
August 15, 2016
  Followup from the Pelican Staff: 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
 

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Page last updated: Fri 11/17/2017 03:07:47 AM