Have you checked the fuses? If not, check them. Perhaps you just need to replace some even if they look good.
It could also be some bulbs came loose, or are faulty.
'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.