Smart model series 450, 451, 452, 454 – TAN procedure omitted With the XENTRY Diagnostics 09/2016 release, the TAN procedure for activation of the following retrofitting functions will be omitted for the Smart model series 450, 451, 452 and 454: Output increase (Brabus SB1, SB2, SB3) Steering wheel gearshift Softouch Daytime running light (SA240, K06) Cruise control To date, the retrofitting functions have been activated by enterin