Pick your head unit, then the region you drive in.
NTG 4.5 / 4.7 - w204, w212, w207, w246, w176, r172, r231, w166, w156 (prefacelift 2011-2015), w463 (2011-2017)
NTG 5*1 - w176, w117, w246, r172, w156, w166, w292 (facelift 2016 and newer models), w212 (2015)
NTG 5*2 / 5 - w222, w217, w205, w257, w447, r190, w470, w253 (all prefacelift)
NTG 5.5 - w213 (2016+), w205, w257, w222, x290, w253, w463, w238 (2018+)
NTG 6 - w177, w247, w118, w167 (prefacelift), w253 (2020+), w213 (facelift)
NTG 7 - w223, w206, w254, w192, w294, w295, w296 (prefacelift), w177, w118, w247, w167, w243 (facelift)