Hello all,
I have a 90 300d that the rear set belts will not retract. I bought the car this way and would like to repair or replace.
I have searched several parts sites with no results. Any help on this would be great as we have little passengers back there a lot.
Thanks !

Seat belts are serious business. If you do have passengers back there on a regular basis, you need to suck it up and get new ones from Mercedes. What is a life worth ?

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95 SL500 Smoke Silver, Parchment 64K
07 E350 4matic Station Wagon White 34K
02 E320 4Matic Silver/grey 80K
05 F150 Silver 44K

You are referring to the Two Outboard seat belt retractors?

Instructions on the FSM CD set.At least one adjustment to the "belt guide"
Whatever you do , do not attempt to disassemble the retractor reels them-
selves...might be no good after that.

If the adjustments don't work...buy new retractors..."Buy Parts" button at the
top of the page

Thanks guys for the advice. I bought a new seatbelt assembly from a MB dealer in Lubbock. The parts man said it was the only one in the country. I think he got it out of Florida.
Well as it turns out, in the process of replacing it I found the strap was only binding behind the cover in a metal bracket/channel the belt goes through. I spaced it about a 32nd of an inch with very small washers, cleaned the belt and it works well now. I did both sides. So now I don't need the new belt.
The dealer won't take returns on these so I posted it for sale in parts. I need rotors now. Learn something new every day.
Thanks again.