Sliding door system for a motor vehicle

A sliding door system for a vehicle with a vehicle body having a door opening, said sliding door system comprising:

• a guide rail which can be fitted to the vehicle body in the vicinity of the door opening, wherein the guide rail is channel-shaped and defines a first opening and a second opening extending in the longitudinal direction of the guide rail;
• a sliding door joined to the guide rail for movement between an open position and a closed position, and the guide rail is at least partially visible from an exterior of the vehicle when the sliding door is in the closed position;
• a guide element movable along the guide rail and connected to the sliding door via a retaining arm extending through the first opening in the guide rail, and the guide element includes a roller operatively disposed in the guide rail first opening;
• a power-conducting unit including links connected to one another in an articulated manner for receiving and guiding at least one power-conducting line, the power-conducting unit extends from a positionally fixed terminal on the vehicle body to a terminal element, and wherein the power-conducting unit is movable in the longitudinal direction of the guide rail, and the guide rail at least partially covers the power-conducting unit from an outer side of the vehicle;
• and
• a connecting element joined to the power-conducting unit and extending through the second opening in the guide rail.