See also:

Overview
The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using t ...

Activating/deactivating the distancewarning function
This function is only available with DISTRONIC. ► Press on the steering wheel to select the Additional functions menu. ► Press the button to select the Distance warning function ...

Trailer power supply
The trailer power socket of your vehicle is designed for connecting the 7-pin connector supplied as part of the Mercedes-Benzapproved trailer coupling. Depending on your trailer, you may need an ...