Motor vehicle front end

A motor vehicle front end has a frame (14), which supports a heat exchanger and has an upper horizontal crosspiece (19) connected to two uprights (15) by means of connection elements (24), which are plastically deformable so as to allow the upper horizontal crosspiece (19) to be lowered in the event of an accident; the upper horizontal crosspiece (19) comprises a rigid rear portion (23) and a plastically deformable, front portion (21) which is made of plastic material and is fixed to the rigid rear portion (23).