The vehicle is stationary.
The engine is running or it has been automatically switched off by the ECO start/stop function.
All the doors and the tailgate are closed and your seatbelt is fastened.
The parking brake has been released.
The selector lever is in the , or position.
Active Distance Assist DISTRONIC is deactivated.
If there is a malfunction in the system or in the power supply.
If the HOLD function is deactivated by depressing the accelerator pedal or brake pedal, e.g. by a vehicle occupant.
When Active Brake Assist, Active Distance Assist DISTRONIC or the HOLD function are activated, the vehicle brakes autonomously in certain situations.
To avoid damage to the vehicle, deactivate these systems in the following or similar situations:
The HOLD function is activated. You can release the brake pedal.
If depressing the brake pedal the first time does not activate the HOLD function, wait briefly and then try again.
Active Distance Assist DISTRONIC is activated.
The transmission is shifted to position .
The vehicle is secured with the electric parking brake.
The driver's side seat belt is not fastened, or a door or the tailgate is open.
The engine is switched off without the ECO start/stop function.