sources and licences:

W 02 (1926): Public Domain

W 11 (1929): https://commons.m.wikimedia.org/wiki/File:Automuseum_Dr._Carl_Benz_Ladenburg_-_Flickr_-_KlausNahr_(11).jpg#mw-jump-to-license

W 21 (1933): https://commons.m.wikimedia.org/wiki/File:Mercedes-Benz_200_W21,_Bj._1935_(2005-07-17)_retu.jpg#mw-jump-to-license

W 143 (1937): Public Domain

W 153 (1938): https://commons.m.wikimedia.org/wiki/File:Mercedes-Benz_230_1939.jpg#mw-jump-to-license

W 187 (1951): https://commons.m.wikimedia.org/wiki/File:Mercedes-Benz_220,_1951-1954_(2008-07-12)_kl.JPG#mw-jump-to-license

W 180 (1954): https://de.m.wikipedia.org/wiki/Mercedes-Benz_W_180#/media/Datei:Mercedes-Benz_220_W_180_(2014-09-13_7000).JPG

W 111 (1959): https://commons.m.wikimedia.org/wiki/File:Mercedes_Benz_220SE_(1965).jpg#mw-jump-to-license

W 108 (1965): https://commons.m.wikimedia.org/wiki/File:Mercedes_Benz_280SE_3.5_1971_Castle_Hedingham_2008.JPG#mw-jump-to-license

W 116 (1972): https://commons.m.wikimedia.org/wiki/File:Mercedes-Benz_W116_front_20080424.jpg#mw-jump-to-license

W 126 (1979): https://commons.m.wikimedia.org/wiki/File:Mercedes_w126_Arktissilber2.jpg#mw-jump-to-license

W 140 (1991): Public Domain

W 220 (1998): Public Domain

W 221 (2005): https://commons.m.wikimedia.org/wiki/File:Mercedes-Benz_S_320_CDI_4MATIC_L_(V_221)_%E2%80%93_Frontansicht_(2),_30._August_2011,_D%C3%BCsseldorf.jpg#mw-jump-to-license

W 222 (2013): https://commons.m.wikimedia.org/wiki/File:Mercedes-Benz_W_222_S_350_Bluetec.JPG#mw-jump-to-license

W 223 (2020): https://commons.m.wikimedia.org/wiki/File:Mercedes-Benz_W223_IMG_6663.jpg#mw-jump-to-license