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Front Seat Belt Replacement
 
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Pelican Technical Article:

Front Seat Belt Replacement

Steve Vernon

Time:

2 hours2 hrs

Tab:

$200 to $300

Talent:

**

Tools:

Trim removal tool, 17mm socket, T30, T45 Torx driver, Flat head screwdriver

Applicable Models:

Mercedes-Benz W203 (2001-07)

Parts Required:

New seat belt

Hot Tip:

Have a vacuum ready for the dust in the B pillar

Performance Gain:

Safety

Complementary Modification:

Clean carpet and interior beneath seats

The seat belts in your Mercedes C320 are an integral part of the safety system. You should inspect your belts ever six months for signs of chafing, splits or broken fibers in the fabric. If the belt has been twisted through the retainers they can wear and fray. If your belts show any sign of damage you should replace them immediately.

Begin by moving your seat as far forward as it will go. You are going to need access to the seat belt anchoring point on the side of the front seat along with the B pillar.

Use your trim removal tool and pry the front trim piece up and out.

Next use your trim tool and lever off the trim panel on front seat to expose seat belt fastener. Use a T45 Torx and remove the lower mounting point of the belt from the seat.

Remove the lower trim panel along the rear floor using your trim tool.

Pull the weather stripping from around the B pillar on both the front and rear door frames.

The B pillar trim is two pieces. The lower piece is plastic and the upper piece is fabric and they are both held in by four clips. Use a small flat head screwdriver and unclip the piece from the B pillar.

Use a 17mm socket and remove the upper mounting point.

Remove the large T45 bolt holding the seat belt retraction unit to the lower mount.

Use a T30 Torx and remove the four bolts holding the two piece lower bracket.

Remove the green wiring harness and clip the zip tie where it mounts to the bracket.

Installation is the reverse of removal

Use your trim removal tool and pry the front trim piece up and out (red arrow).
Figure 1

Use your trim removal tool and pry the front trim piece up and out (red arrow).

Next use your trim tool and lever off the trim panel (red arrow) on front seat to expose seat belt fastener.
Figure 2

Next use your trim tool and lever off the trim panel (red arrow) on front seat to expose seat belt fastener.

Use a T45 Torx and remove the lower mounting point of the belt from the seat (red arrow).
Figure 3

Use a T45 Torx and remove the lower mounting point of the belt from the seat (red arrow).

Remove the lower trim panel along the rear floor using your trim tool (red arrow).
Figure 4

Remove the lower trim panel along the rear floor using your trim tool (red arrow).

Pull the weather stripping from around the B pillar on both the front and rear door frames (red arrow).
Figure 5

Pull the weather stripping from around the B pillar on both the front and rear door frames (red arrow).

The B pillar trim is two pieces.
Figure 6

The B pillar trim is two pieces. The lower piece is plastic and the upper piece is fabric and they are both held in by four clips. Use a small flat head screwdriver and unclip the piece from the B pillar (red arrow).

Use a 17mm socket and remove the upper mounting point (red arrow).
Figure 7

Use a 17mm socket and remove the upper mounting point (red arrow).

Remove the large T45 bolt holding the seat belt retraction unit to the lower mount (red arrow).
Figure 8

Remove the large T45 bolt holding the seat belt retraction unit to the lower mount (red arrow).

Use a T30 Torx and remove the four bolts holding the two piece lower bracket (red arrows).
Figure 9

Use a T30 Torx and remove the four bolts holding the two piece lower bracket (red arrows).

Remove the green wiring harness (red arrow) and clip the zip tie where it mounts to the bracket (yellow arrow).
Figure 10

Remove the green wiring harness (red arrow) and clip the zip tie where it mounts to the bracket (yellow arrow).

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Comments and Suggestions:
Tassou Comments: Hello and happy new year from Greece. My name is Anastasios Tassou and i have an Mercedes sport coupe C230 2004 . My problem is front seat belts. Its not retracting . The image in your said its not for may car.
Can you help my any one for my car???? Mercedes C230 sport coupe 2004 .

Thank-you for your time

January 2, 2016
  Followup from the Pelican Staff: We don't currently have that tech article. If we get a chance to perform the procedure, we will be sure to document it.

I would grab a repair manual. It will have the procedure, special tools and torque specs.

Give our parts specialists a call at 1-888-280-7799. - Nick at Pelican Parts
 

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