A motor vehicle chassis , comprising a base structure ; and a multiplicity of wheels connected therewith via respectively one wheel suspension , wherein each wheel suspension has at least one spring and wherein further a hydraulic level-adjusting device is allocated at least to one wheel suspension , characterized by the following features: - the hydraulic level-adjusting device is disposed completely on the wheel suspension ; - the hydraulic level-adjusting device comprises a reservoir for hydraulic fluid, a hydraulic power pack with a hydraulic pump driven by an electric motor (M) and having two pump ports , a single-acting hydraulic linear actuator as well as a line and valve arrangement placing the reservoir , the hydraulic pump and the linear actuator in communication with one another; - for raising the base structure , the working space of the linear actuator can be pressurized by the hydraulic pump , for which purpose a first pump port , via a filling line with a filling check valve disposed therein, is in communication with the working space of the hydraulic linear actuator ; - the hydraulic power pack is reversible, with a reversible delivery direction (A, B) between the two pump ports ; - the two pump ports are in communication with the reservoir via a shuttle valve ; - the shuttle valve is constructed to be self-sufficient, without any activation imposed by external energy, and does not have any shut-off position, and so at least one of the two pump ports is constantly in communication with the reservoir via the shuttle valve ; - the second pump port is in communication with the reservoir via a discharge line with a throttle unit disposed therein; - a control line places the control port of a pilot-to-open drainage check valve , which is disposed in a drainage line placing the working space of the hydraulic linear actuator in communication with the reservoir , in communication with the discharge line between the second pump port and the throttle unit . - the hydraulic level-adjusting device is disposed completely on the wheel suspension ; - the hydraulic level-adjusting device comprises a reservoir for hydraulic fluid, a hydraulic power pack with a hydraulic pump driven by an electric motor (M) and having two pump ports , a single-acting hydraulic linear actuator as well as a line and valve arrangement placing the reservoir , the hydraulic pump and the linear actuator in communication with one another; - for raising the base structure , the working space of the linear actuator can be pressurized by the hydraulic pump , for which purpose a first pump port , via a filling line with a filling check valve disposed therein, is in communication with the working space of the hydraulic linear actuator ; - the hydraulic power pack is reversible, with a reversible delivery direction (A, B) between the two pump ports ; - the two pump ports are in communication with the reservoir via a shuttle valve ; - the shuttle valve is constructed to be self-sufficient, without any activation imposed by external energy, and does not have any shut-off position, and so at least one of the two pump ports is constantly in communication with the reservoir via the shuttle valve ; - the second pump port is in communication with the reservoir via a discharge line with a throttle unit disposed therein; - a control line places the control port of a pilot-to-open drainage check valve , which is disposed in a drainage line placing the working space of the hydraulic linear actuator in communication with the reservoir , in communication with the discharge line between the second pump port and the throttle unit . <EOS>