inertia

I have tried googling and the adverts in the back of various classic car mags with no luck but the inertia reels on my Citroën SM need a good fettle and I'd be grateful for any recommendations.

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...

Hello all I'm a complete Noob to the MB Club Forum, so I apologise if this is a common post, but I haven't found any info using the search function. Basically I've just bought a 'new' W124 and want to replace the centre lap belt with an inertia reel 3 point belt. Is there a simple kit that...