When I bought my 300sd (1980) many years ago, the drivers side seat belt would not retract so I had it replaced. It cost nearly $200 for the part and $80 for labor.

Now, it is hard to pull out. It goes a few inches, stops, and then when I jiggle it, it will go a few more inches. It is also not retracting anymore.

I was wondering if it is hard to replace one of these, and also, where would I find one. Searched on line this evening and could not find a new replacement seat belt.

Mine my be repairable but not sure because I have not taken it apart yet.

Any advice? Thanks