A support mechanism (20a) of a steering system for supporting a steering column (11) to a part of a vehicle body includes an energy absorbing member (23) mounted on the side of a steering column (11) or the vehicle body, a support pin (22) mounted on the side of the vehicle body or the steering column (11), for deforming the energy absorbing member (23) when the steering column (11) moves relative to the vehicle body, and a deformation characteristics changing means (engaging device (24)) mounted on the side of the steering column (11) or the vehicle body, for changing deformation characteristics of the energy absorbing member (23). <IMAGE>
