I haven't seen this kind of front end treatment before
http://www.ebay.com.au/itm/mercedes-benz-79-se-280-saloon-/180668251046?pt=AU_Cars&hash=item2a10aabba6
http://www.ebay.com.au/itm/mercedes-benz-79-se-280-saloon-/180668251046?pt=AU_Cars&hash=item2a10aabba6