See also:

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 ...

Socket in the front-passenger footwell
► Lift up the cover of socket 1. ...

Braking
If ABS intervenes when braking, you will feel a pulsing in the brake pedal. If ABS intervenes: continue to depress the brake pedal with force until the braking situation is over. To make a ...