Hi, my car has an ash interior and the seat belts are looking grimy so I'd like to change them out. Is it a bear to get them out? I am thinking of sending the assembly to have the webbing replaced. Comments or suggestions welcomed.

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Providing a home for these cars:
1951 Buick Special De Luxe
1977 Rolls-Royce Silver Wraith II
1970 Rolls-Royce Silver Shadow
1986 Mercedes-Benz 420 SEL
2005 Mercedes-Benz E 320 CDI
2012 GMC Sierra 1500 4X4
1927 Pierce-Arrow Series 80
1931 Pierce-Arrow Series 43
1926 Ford Model T coupe