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Hood Release Cable Replacement
 
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Pelican Technical Article:

Hood Release Cable Replacement

Steve Vernon

Time:

1 hour1 hr

Tab:

$30 to $100

Talent:

**

Tools:

Trim removal tool, 10mm socket, T20 Torx

Applicable Models:

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

Parts Required:

Cables, pull handle

Hot Tip:

Watch your hands for cuts

Performance Gain:

You can open the hood

Complementary Modification:

Change cabin air filter

The hood release actually consists of three cables: One that runs from the pull handle in the cabin to a two cable system that attaches to the hood releases. If your hood is starting to give you trouble releasing when you pull the cable you should take care of the problem right away. Once one of the cables in the system fails it is very, very difficult to get the hood open. Do yourself a favor and replace the cables at the first signs of one failing.

The cables that attach to the hood opening mechanisms (red arrows) runs along the front of the car by the radiator.
Figure 1

The cables that attach to the hood opening mechanisms (red arrows) runs along the front of the car by the radiator. Even though there are two cables it is sold as a single piece that contains the joining mechanism as well. The piece joins the cable from the cabin to the hood releases by the windshield washer reservoir (yellow arrow).

Locate the end of the two cables.
Figure 2

Locate the end of the two cables. Use a trim removal tool to pry open the covered end that connects the cables (red arrow).

With the cover open you can remove the cable from the cabin (yellow arrow).
Figure 3

With the cover open you can remove the cable from the cabin (yellow arrow). The metal cup that the cable from the cabin sits in (red arrow) and the housing come complete with the new hood cable.

Move to the release mechanisms and remove the two 10mm bolts (red arrows).
Figure 4

Move to the release mechanisms and remove the two 10mm bolts (red arrows). The procedures are the same for both sides.

Slide the mechanism out from the mounting area and release the tab on the electrical connection (red arrow), and separate the electrical connection.
Figure 5

Slide the mechanism out from the mounting area and release the tab on the electrical connection (red arrow), and separate the electrical connection.

Gently pry off the cover on the mechanism (red arrows).
Figure 6

Gently pry off the cover on the mechanism (red arrows).

You can now see where the cable sits in the mechanism.
Figure 7

You can now see where the cable sits in the mechanism. You will need to move the retaining spring out of the way to install the new cables. Install the new cables making sure that they sit firmly in the housing and reinstall in the reverse procedure from removal.

If you are replacing the cable in the cabin begin by removing the trim piece on the end of the dash.
Figure 8

If you are replacing the cable in the cabin begin by removing the trim piece on the end of the dash. Use a trim removal tool and pry out the clips on the forward edge (red arrow).

With the three clips free rotate the cover towards the door and then pull it forward to remove it.
Figure 9

With the three clips free rotate the cover towards the door and then pull it forward to remove it.

There is an access port under the trim piece that will allow you to remove the cable from the ball cup it sits in (red arrow.
Figure 10

There is an access port under the trim piece that will allow you to remove the cable from the ball cup it sits in (red arrow. Remove the old cable and route the new along the same path. Installation of the new cable is the reverse of removal.

If the plastic pull handle has broken you can remove it by pulling it straight out from the dash once the cable has been removed from the ball cup (red arrow).
Figure 11

If the plastic pull handle has broken you can remove it by pulling it straight out from the dash once the cable has been removed from the ball cup (red arrow).

To replace the tray that holds the end of the cable as well as the pull handle use a T20 Torx and remove the two screws from under the handle (red arrows).
Figure 12

To replace the tray that holds the end of the cable as well as the pull handle use a T20 Torx and remove the two screws from under the handle (red arrows).

There are two clips (red arrows) that hold the piece in the dash but you can wiggle back and forth and pull it out.
Figure 13

There are two clips (red arrows) that hold the piece in the dash but you can wiggle back and forth and pull it out. The yellow arrow indicates where the end of the cable sits in the end of the tray (yellow arrow). Installation is the reverse of removal.

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