Connecting device and water discharging arrangement for a motor vehicle

This invention relates to a connecting device for connecting a water-collecting channel (4) of a motor vehicle to a water draining tube (6) located in a framework (8) of the motor vehicle, comprising: - an inlet member (10) configured to receive water from the water-collecting channel (4); - an outlet member (12) connected to the inlet member (10) and configured to discharge the water received from the inlet member (10) to the water draining tube (6) through an outlet duct (14); - the inlet member (10) being configured to be affixed to the water-collecting channel (4) such that the outlet member (12) can be rotated around a first axis (A) from a delivery position (P 1 ) to a connecting position (P 2 ) and from the connecting position (P 2 ) to the delivery position (P 1 ).