See also:

Display on the Control Display
Switching on the backup camera via iDrive With PDC activated: "Rear view camera" The backup camera image is displayed. The setting is stored for the remote control currently in use ...

Camera
Camera The lens of the rear view camera is under the grasping lip of the tailgate. The presence of dirt can impair image quality. Clean the lens with a moist, nonabrasive cloth. ...

Unbuckling the belt
1. Hold the belt firmly. 2. Press the red button in the belt buckle. 3. Guide the belt back into its reel. ...