Assembly of a motor vehicle steering column and of a column support , said support being configured to be fitted to a crossmember and comprising a guideway device and a holding device situated at a distance from the guideway device , the column comprising a body and a centring end , the assembly comprising: - a suspension device configured for suspending the column from a guideway of the guideway device such that it is possible to incline the axis of the column about a horizontal axis (YY') that is transverse to the vehicle, - an opening in the holding device , said opening being configured to have a portion of the centring end of the column inserted into it, substantially along the direction of the guideway, the opening being delimited on a first side by a bearing edge configured to support a part of the weight of the column and to hold the column in a first inclined position, once the portion of the centring end has been inserted into the opening , the holding device comprising, on a second side of the opening diametrically opposite to the first side, a stop lip extending forward of the opening in the direction of the guideway so as to form a stop for the centring end during variations in the inclination of the column , characterized in that the column is suspended by the guideway device , about a horizontal axis (YY') that is transverse to the vehicle, before the portion of the centring end is inserted into the opening , the centring end of the column comprising a protrusion , the assembly being configured such that, for at least one angular abutment position of the protrusion against the stop lip , the protrusion lies in line with the opening along the direction of the guideway , the insertion direction of the protrusion lying in a vertical geometric plane which also includes the direction of the guideway and which also comprises the direction of the axis of the steering column . - a suspension device configured for suspending the column from a guideway of the guideway device such that it is possible to incline the axis of the column about a horizontal axis (YY') that is transverse to the vehicle, - an opening in the holding device , said opening being configured to have a portion of the centring end of the column inserted into it, substantially along the direction of the guideway, the opening being delimited on a first side by a bearing edge configured to support a part of the weight of the column and to hold the column in a first inclined position, once the portion of the centring end has been inserted into the opening , the holding device comprising, on a second side of the opening diametrically opposite to the first side, a stop lip extending forward of the opening in the direction of the guideway so as to form a stop for the centring end during variations in the inclination of the column , characterized in that the column is suspended by the guideway device , about a horizontal axis (YY') that is transverse to the vehicle, before the portion of the centring end is inserted into the opening , the centring end of the column comprising a protrusion , the assembly being configured such that, for at least one angular abutment position of the protrusion against the stop lip , the protrusion lies in line with the opening along the direction of the guideway , the insertion direction of the protrusion lying in a vertical geometric plane which also includes the direction of the guideway and which also comprises the direction of the axis of the steering column . <EOS>