Abstract: In order to provide a fixing device which is intended for fixing a component, allows for secure fixing of the component and is of straightforward design, it is proposed that the fixing device should comprise a main body, on which is provided at least one fastening portion for receiving the component, wherein the fastening portion has at least one fixing element which can be inserted into a through-passage provided in the component and, for the purpose of fixing the component, can be at least partially deformed in the through-passage, wherein, as a result of the deformation, the fixing element is in engagement with at least one depression provided on the component and/or with at least one protrusion provided on the component.