Telematics system comprising - a telematics module comprising a housing in which are housed means for receiving signals and at least one electronic component for processing said signals, and a support intended for fixing the telematics module to a structural element of a motor vehicle, telematics module comprising: - a housing comprising a first assembly element (12a, 12b) and a first locking element and - means for receiving signals and at least one electronic component for processing said signals housed in the housing, support comprising: - a second assembly element (22a, 22b) configured to cooperate with the first assembly element secured to the housing of the telematics module and - a second locking element configured to cooperate with the first locking element secured to the housing to immobilize the telematics module on the support in an assembly position, the second assembly element being configured to cooperate with the first assembly element according to a male-female type configuration to guide a sliding of the module resting on the support in a sliding direction substantially parallel to a main face of the support to the assembly position, the support also comprising at least one stop element arranged to stop the sliding of the module and the support relative to each other in the assembly position, the stop element comprising a body extending from the main face of the support in a direction parallel to a lateral face of the housing, in which the body of the stop element is extended by a head projecting in a direction substantially parallel to a top face of the housing, and the telematic system being characterized in that the support also comprises at least one pin extending from the main face of the support, pin on which the bottom face of the housing is in contact when said housing is assembled to the support, a height of said pin being adjusted so that the top face of the housing is pressed against the head projecting from the stop element when the housing is assembled to the support. telematics module comprising: - a housing comprising a first assembly element (12a, 12b) and a first locking element and - means for receiving signals and at least one electronic component for processing said signals housed in the housing, support comprising: - a second assembly element (22a, 22b) configured to cooperate with the first assembly element secured to the housing of the telematics module and - a second locking element configured to cooperate with the first locking element secured to the housing to immobilize the telematics module on the support in an assembly position, - a housing comprising a first assembly element (12a, 12b) and a first locking element and - means for receiving signals and at least one electronic component for processing said signals housed in the housing, support comprising: - a second assembly element (22a, 22b) configured to cooperate with the first assembly element secured to the housing of the telematics module and - a second locking element configured to cooperate with the first locking element secured to the housing to immobilize the telematics module on the support in an assembly position, - a second assembly element (22a, 22b) configured to cooperate with the first assembly element secured to the housing of the telematics module and - a second locking element configured to cooperate with the first locking element secured to the housing to immobilize the telematics module on the support in an assembly position, the second assembly element being configured to cooperate with the first assembly element according to a male-female type configuration to guide a sliding of the module resting on the support in a sliding direction substantially parallel to a main face of the support to the assembly position, the support also comprising at least one stop element arranged to stop the sliding of the module and the support relative to each other in the assembly position, the stop element comprising a body extending from the main face of the support in a direction parallel to a lateral face of the housing, in which the body of the stop element is extended by a head projecting in a direction substantially parallel to a top face of the housing, and the telematic system being characterized in that the support also comprises at least one pin extending from the main face of the support, pin on which the bottom face of the housing is in contact when said housing is assembled to the support, a height of said pin being adjusted so that the top face of the housing is pressed against the head projecting from the stop element when the housing is assembled to the support.