Steering column comprising a tubular column having a bottom end that can be anchored to a support, said column being defined by: - a first portion including said bottom end and having a first longitudinal axis, - a second portion with a second longitudinal axis, said second portion being connected adjustably to said first portion to rotate about a third axis transverse to said first and second axes (X1, X2) by means of coupling means; - a shaft mounted rotatably inside said tubular column; - a steering wheel connected at an angle to an upper end of said shaft; - a control assembly to permit actuation of positional adjustment of said steering wheel relative to said column; characterized in that said control assembly comprises: - connecting means between said first portion and said second portion, mounted sliding on said first portion; said connecting means comprising toothed gearing means formed on one end of said connecting means wherein said end is connected to said second portion; - a slider fitted for sliding parallel to said first axis on said connecting means and provided with an end portion that can be connected to said toothed gearing means, and - actuating means (20, 18) that can cause sliding movement of said slider between a position of engagement of said portion with said toothed means, and a position of disengagement from said toothed means. - a first portion including said bottom end and having a first longitudinal axis, - a second portion with a second longitudinal axis, said second portion being connected adjustably to said first portion to rotate about a third axis transverse to said first and second axes (X1, X2) by means of coupling means; - a shaft mounted rotatably inside said tubular column; - a steering wheel connected at an angle to an upper end of said shaft; - a control assembly to permit actuation of positional adjustment of said steering wheel relative to said column; characterized in that said control assembly comprises: - connecting means between said first portion and said second portion, mounted sliding on said first portion; said connecting means comprising toothed gearing means formed on one end of said connecting means wherein said end is connected to said second portion; - a slider fitted for sliding parallel to said first axis on said connecting means and provided with an end portion that can be connected to said toothed gearing means, and - actuating means (20, 18) that can cause sliding movement of said slider between a position of engagement of said portion with said toothed means, and a position of disengagement from said toothed means. - connecting means between said first portion and said second portion, mounted sliding on said first portion; said connecting means comprising toothed gearing means formed on one end of said connecting means wherein said end is connected to said second portion; - a slider fitted for sliding parallel to said first axis on said connecting means and provided with an end portion that can be connected to said toothed gearing means, and - actuating means (20, 18) that can cause sliding movement of said slider between a position of engagement of said portion with said toothed means, and a position of disengagement from said toothed means.