Yes I believe its the same one. In order to see it though you have to visit the european site. There you can dicipher the info. US cars have special equipment without self leveling and the kit is 2517.140. Euro cars have self levelling with the number 2518.140
However both kits come with the same front springs #EW 2517001 VA and the 2518.140 kit for the euro is listed as....

260 E, 300 E, 300 E-24, 300 CE, 300 CE-24, 250 D, 250 D Turbo, 300 D, 260 E, 300 D Turbo, 300 TE, 320 E
01.85 - 05.95
2518.140
EW 2517001 VA
EW 2518002 HA
25-35mm

The difference between the 2 kits is the rear springs EW 2504002 HA is the US non self leveling and EW 2518002 HA is the euro self leveling sooooooo

unless your 300D has self leveling then you should be ok using the 2517.140 kit which differs from the above in only the rear springs and oh my god I've gone crosseyed