See also:

Removing the ball coupling
Observe the manufacturer's installation instructions. Press the protective cap into the ball coupling recess. Make sure that the protective cap is firmly in place. ...

Operation
1 Left-hand standing lamps 2 Right-hand standing lamps 3 Lights off/daytime running lamps 4 Automatic headlamp mode/daytime running lamps 5 Parking lamps, license plate and instrument cluster ...

Roadside Assistance button
– Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance but ...