W124 Inertia Reels for seadt belts

Discussion in 'Interior' started by DITTRICH, Jun 8, 2011.


    DITTRICH Hardcore MB Enthusiast

    Apr 16, 2004
    W202 C230K + S124 E300D
    The seal belts in my w124 e300td no longer retract (reel in) with the speed they should do. I have to help feed them back in.

    A bit of googling has revealed that some people advocate putting quantities of silicone or PTFE spray into the reel in order to give them a new lease of life. Certainly a can of PTFE spray and a tube nozzle are much cheaper than new inertia reels.

    Has anyone done this?
    Does it work?
    How do I get the trim off to do the front seat belts?

    Many thanks

  2. grober

    grober MB Club Veteran

    Jun 22, 2003
    Perth, Scotland
    W204 C200CDI Estate
    I would personally caution against this. Mercedes are pretty explicit about allowing any "fluids" near their belts in case they weaken the belt material or stitching. Fraying or gross contamination of the belt material is I believe a potential MOT failure?? Remember the tester only has to believe the belt may be at risk to fail it. He does not not have to prove it. As long as the the inertial locking is working I would leave well alone. Otherwise replacement of the complete unit belt+inertial reel is the recommended course of action.
    1 person likes this.

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