Connecting system for connecting components in a vehicle, comprising a first elongate element with a first connecting face at a first end, a second elongate element with a second connecting face at a second end, wherein the first element and the second element each comprise several holding devices which are distributed along an annular connecting line (34, 36) of the respective connecting face (30, 32), wherein the connecting faces (30, 32) and the connecting lines (34, 36) of the first element and second element are congruent, wherein the connecting faces (30, 32) and holding devices are configured such that the connecting faces (30, 32) can be brought into a flush superficial contact when the orientations of the first elongate element and second elongate element coincide, and the then mutually opposite holding devices of the connecting faces (30, 32) brought into superficial contact connect with one another, wherein at least one of the first element and second element has a length adjustment component which adjoins the respective connecting face (30, 32) and is configured to change a position of the respective connecting face (30, 32) in a longitudinal direction of the respective element (22, 24), wherein the connecting faces (30, 32) comprise at least one pair of interfaces (40, 42, 52, 60) which correlate with one another in pairs for transfer of a fluid, electrical or optical signals or an electrical current, which interfaces can be brought into connection when the connecting faces (30, 32) are brought into superficial contact with one another, and wherein a respective surface normal (N1, N2) of the connecting faces (30, 32) stands obliquely to an extent axis (X1, X2) of the respective elements (22, 24). a first elongate element with a first connecting face at a first end, a second elongate element with a second connecting face at a second end, wherein the first element and the second element each comprise several holding devices which are distributed along an annular connecting line (34, 36) of the respective connecting face (30, 32), wherein the connecting faces (30, 32) and the connecting lines (34, 36) of the first element and second element are congruent, wherein the connecting faces (30, 32) and holding devices are configured such that the connecting faces (30, 32) can be brought into a flush superficial contact when the orientations of the first elongate element and second elongate element coincide, and the then mutually opposite holding devices of the connecting faces (30, 32) brought into superficial contact connect with one another, wherein at least one of the first element and second element has a length adjustment component which adjoins the respective connecting face (30, 32) and is configured to change a position of the respective connecting face (30, 32) in a longitudinal direction of the respective element (22, 24), wherein the connecting faces (30, 32) comprise at least one pair of interfaces (40, 42, 52, 60) which correlate with one another in pairs for transfer of a fluid, electrical or optical signals or an electrical current, which interfaces can be brought into connection when the connecting faces (30, 32) are brought into superficial contact with one another, and wherein a respective surface normal (N1, N2) of the connecting faces (30, 32) stands obliquely to an extent axis (X1, X2) of the respective elements (22, 24).