Mostly Unchanged

1978 Mercedes-Benz 230/240 D/280 E/300 D 4d sedan
1978 Mercedes-Benz 450 SL 2d convertible
1978 Mercedes-Benz 450 SLC 2d coupe
1978 Mercedes-Benz S/SE/SEL 4d sedan

Other

1978 Mercedes-Benz 280 CE/300 CD 2d coupe