Coding dongle activation guidelines for Mercedes Benz reverse camera

To permanently activate and deactivate the reversing camera guidelines on Mercedes-Benz vehicles with code O1N, the guidelines are deactivated; this dongle activates them. After activation, the reversing camera guidelines will be displayed. Suitable for the following vehicles: Sprinter 907/910 series, B-Class, Hymer, Hymer ML-T, Hymer Clochard S, Hymer Gratuit S. Other models available upon request. Activation and deactivation via your vehicle's diagnostic interface. Simply connect the adapter to the vehicle's OBD interface – that's it! The function is not permanently activated but can be reactivated at any time with the dongle. Example: 1st use = guidelines are activated; 2nd use = guidelines are deactivated; 3rd use = guidelines are activated; 4th use = etc. Package includes: 1x coding key. Note: The camera must be calibrated for the guidelines to be displayed.