Lee, be sure to have a PPI (pre-purchase inspection) performed by a MB-trained tech who is intimately familiar with that vintage MB automobile. As for the seatbelt presenters disable them by removing the fuse ... reach back with your hand just above the floor and grab the seatbelt ... much simpler than bothering with the presenters. I disabled the seatbelt presenters in both our 300CE's. That fuse controls power to the passenger side outside mirror, so adjust it before removing the fuse.

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Fred Hoelzle