MEMS sensor designed to record a measured variable, - wherein said sensor comprises multiple layers (1, 3, 5), particularly silicon layers, arranged on top of one another, - wherein the layers (1, 3, 5) comprise at least an inner layer, which is arranged between a first layer and a second layer, and - wherein, in the inner layer, at least an annular recess is provided which extends perpendicularly to the plane of the inner layer and through the inner layer, wherein an area of the inner layer which forms a connection element is adjacent to the outside of said recess, wherein said area is connected to the first layer and to the second layer and surrounds the recess in an annular manner, wherein the first layer comprises a measuring membrane, and wherein - with the inclusion of a pressure chamber - the first layer is connected to a meter body which comprises the inner layer and the second layer, wherein the MEMS sensor is a pressure sensor, particularly an absolute pressure sensor, a relative pressure sensor or a differential pressure sensor, wherein a lateral surface of the connection element, delimiting the recess on the outside, has - a rounded shape in an end section facing towards the first layer which reduces the cross-sectional area of the recess in the direction of the first layer, and - a rounded shape in an end section facing towards the second layer which reduces the cross-sectional area of the recess in the direction of the second layer, characterized in that neighboring layers (1, 3, 5) are interconnected by means of an insulation layer (19, 23), particularly made of silicon dioxide, provided between the two adjacent layers (1, 3, 5), wherein, in the area of the inner layer, the connection element is completely separated by the recess from an additional area that is surrounded by the recess and serves as an electrode. - wherein said sensor comprises multiple layers (1, 3, 5), particularly silicon layers, arranged on top of one another, - wherein the layers (1, 3, 5) comprise at least an inner layer, which is arranged between a first layer and a second layer, and - wherein, in the inner layer, at least an annular recess is provided which extends perpendicularly to the plane of the inner layer and through the inner layer, wherein an area of the inner layer which forms a connection element is adjacent to the outside of said recess, wherein said area is connected to the first layer and to the second layer and surrounds the recess in an annular manner, wherein the first layer comprises a measuring membrane, and wherein - with the inclusion of a pressure chamber - the first layer is connected to a meter body which comprises the inner layer and the second layer, wherein the MEMS sensor is a pressure sensor, particularly an absolute pressure sensor, a relative pressure sensor or a differential pressure sensor, wherein a lateral surface of the connection element, delimiting the recess on the outside, has - a rounded shape in an end section facing towards the first layer which reduces the cross-sectional area of the recess in the direction of the first layer, and - a rounded shape in an end section facing towards the second layer which reduces the cross-sectional area of the recess in the direction of the second layer,