It’s Spezial.

80 years ago, at the Mondiale de l’Automobile, the Mercedes-Benz 500 K made its debut. The occasion calls for a very special #tbt. The 500 series was produced from 1934 until 1937, with around 25 models being made during these few short years, including the extremely rare and world-renowned 500 K Spezial-Roadster. Read more: http://benz.me/tbl_tbt_500K/