Spring element, in particular jounce bumper, for a vehicle suspension

A jounce bumper assembly, comprising:

• a mounting cap, and
• a spring element for a vehicle suspension, comprising:
• a longitudinal axis and a base body extending along the longitudinal axis, the base body being elastically deformable between an uncompressed basic state and a compressed state in which the base body is at least partially compressed in the direction of the longitudinal axis, and
• an end portion positioned on a base end of the base body, said end portion being configured for mounting the base body in a mounting cap;
• wherein the end portion comprises at least two radially extending retention elements that are spaced apart from one another in the direction of the longitudinal axis, and the at least two radially extending retention elements are configured to engage at least two mating retention elements provided on the mounting cap to form a mating relationship,
• wherein the at least two mating retention elements are configured to engage one another in a positive fit,
• wherein the spring element is mounted in the mounting cap, and
• Wherein the at least two mating retention elements are mated to and engaged with the at least two radially extending retention elements.