See also:

Hiding a service message
Press the or button on the steering wheel. ...

Electronic helpers: the new assistance systems in the Mercedes-Benz C-Class
Adaptive Highbeam Assist. When vehicles are detected ahead of or approaching the vehicle, this system automatically dips the beams and adjusts the range of the headlamps appropriate to the distanc ...

Roadside Assistance button
Open the stowage compartment under the armrest. Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center ...