A steering column assembly for a vehicle, comprising an inner tube and an outer tube, wherein the inner tube and the outer tube extend along a common axis and wherein in an operational position a portion of the inner tube is arranged inside the outer tube, and an energy absorption mechanism being coupled to at least the inner tube and being configured to absorb energy in case of a relative movement of the inner tube with respect to the outer tube along the axis and out of the operational position, wherein an energy absorption capacity per distance unit of the energy absorption mechanism is variable along the axis, wherein the energy absorption mechanism comprises an inner friction surface being arranged on the inner tube and being frictionally coupled to the outer tube and/or wherein the energy absorption mechanism comprises an outer friction surface being arranged on the outer tube and being frictionally coupled to the inner tube, and characterized in that the energy absorption mechanism comprises at least one of: - a deformation element being coupled to at least the inner tube and being configured to deform upon a relative movement of the inner tube with respect to the outer tube out of the operational position and along the axis, and - a shearing element being coupled to at least the inner tube and being configured to at least partially shear off upon a relative movement of the inner tube with respect to the outer tube out of the operational position and along the axis, and - a sliding mechanism with a rail element being coupled to the inner tube and a carriage element, wherein the carriage element is configured to slide on the rail element upon a relative movement of the inner tube with respect to the outer tube out of the operational position and along the axis. an energy absorption mechanism being coupled to at least the inner tube and being configured to absorb energy in case of a relative movement of the inner tube with respect to the outer tube along the axis and out of the operational position, wherein an energy absorption capacity per distance unit of the energy absorption mechanism is variable along the axis, wherein the energy absorption mechanism comprises an inner friction surface being arranged on the inner tube and being frictionally coupled to the outer tube and/or wherein the energy absorption mechanism comprises an outer friction surface being arranged on the outer tube and being frictionally coupled to the inner tube, and characterized in that the energy absorption mechanism comprises at least one of: - a deformation element being coupled to at least the inner tube and being configured to deform upon a relative movement of the inner tube with respect to the outer tube out of the operational position and along the axis, and - a shearing element being coupled to at least the inner tube and being configured to at least partially shear off upon a relative movement of the inner tube with respect to the outer tube out of the operational position and along the axis, and - a sliding mechanism with a rail element being coupled to the inner tube and a carriage element, wherein the carriage element is configured to slide on the rail element upon a relative movement of the inner tube with respect to the outer tube out of the operational position and along the axis. - a deformation element being coupled to at least the inner tube and being configured to deform upon a relative movement of the inner tube with respect to the outer tube out of the operational position and along the axis, and - a shearing element being coupled to at least the inner tube and being configured to at least partially shear off upon a relative movement of the inner tube with respect to the outer tube out of the operational position and along the axis, and - a sliding mechanism with a rail element being coupled to the inner tube and a carriage element, wherein the carriage element is configured to slide on the rail element upon a relative movement of the inner tube with respect to the outer tube out of the operational position and along the axis.