An air vent comprising - an adjustment mechanism, - an elongate housing having a length in a first direction (D 1) of said adjustment mechanism, said adjustment mechanism being adapted to guide an air stream flowing through said air vent, said adjustment mechanism comprising - a single first vane, being adjustable and having a main extension in said first direction (D 1), - a plurality of second vanes, being adjustable and having a main extension in a second direction (D 2) being angled to said first direction (D 1), - a shaft extending in said first direction (D 1) and being rotatable around its length axis (A 3), - a slider being movably attached to said shaft, such that said slider is able to slide along said shaft in said first direction (D 1), - a rack, extending in parallel to said shaft, and - a pinion, rigidly connected to one of said second vanes and configured to cooperate with said rack, wherein said first vane is located at least partly upstream of said second vanes as seen in a flow direction of said air stream being guided through said air vent, wherein said shaft is mechanically coupled by at least one first connection (25a, 25b) to said first vane, such that a rotation of said shaft is transferred to an adjustment of said first vane, and said slider is adapted to cooperate with said rack, such that a sliding movement of said slider along said shaft displaces said rack, which displacement is transferred to an adjustment of said second vanes by means of said pinion being adapted to cooperate with said rack, wherein said housing encloses said first vane and said second vanes, said slider being directly or indirectly accessible from an outside of said housing. - an adjustment mechanism, - an elongate housing having a length in a first direction (D 1) of said adjustment mechanism, said adjustment mechanism being adapted to guide an air stream flowing through said air vent, said adjustment mechanism comprising - a single first vane, being adjustable and having a main extension in said first direction (D 1), - a plurality of second vanes, being adjustable and having a main extension in a second direction (D 2) being angled to said first direction (D 1), - a shaft extending in said first direction (D 1) and being rotatable around its length axis (A 3), - a slider being movably attached to said shaft, such that said slider is able to slide along said shaft in said first direction (D 1), - a rack, extending in parallel to said shaft, and - a pinion, rigidly connected to one of said second vanes and configured to cooperate with said rack, - a single first vane, being adjustable and having a main extension in said first direction (D 1), - a plurality of second vanes, being adjustable and having a main extension in a second direction (D 2) being angled to said first direction (D 1), - a shaft extending in said first direction (D 1) and being rotatable around its length axis (A 3), - a slider being movably attached to said shaft, such that said slider is able to slide along said shaft in said first direction (D 1), - a rack, extending in parallel to said shaft, and - a pinion, rigidly connected to one of said second vanes and configured to cooperate with said rack, wherein said first vane is located at least partly upstream of said second vanes as seen in a flow direction of said air stream being guided through said air vent, wherein said shaft is mechanically coupled by at least one first connection (25a, 25b) to said first vane, such that a rotation of said shaft is transferred to an adjustment of said first vane, and said slider is adapted to cooperate with said rack, such that a sliding movement of said slider along said shaft displaces said rack, which displacement is transferred to an adjustment of said second vanes by means of said pinion being adapted to cooperate with said rack, wherein said housing encloses said first vane and said second vanes, said slider being directly or indirectly accessible from an outside of said housing.