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.
Active Brake Assist
Active Distance Assist DISTRONIC
HOLD function
Active Parking Assist
To avoid damage to the vehicle, deactivate these systems in the following or similar situations:
The vehicle is stationary.
The driver's door is closed or the seat belt on the driver's side is fastened.
The engine is running or has been automatically switched off by the ECO start/stop function.
The electric parking brake is released.
Active Distance Assist DISTRONIC is deactivated.
Vehicles with automatic transmission: the transmission is in position , or
Active Distance Assist DISTRONIC is activated.
Vehicles with automatic transmission: the transmission is switched to position .
The vehicle is secured with the electric parking brake.
The seat belt is unfastened and the driver's door is opened.
The vehicle is switched off.
There is a malfunction in the system or the power supply is insufficient.
The Brake immediately message may also appear in the multifunction display:
The HOLD function is deactivated.
A horn sounds at regular intervals if, despite the Brake immediately message, you turn off the engine, remove your seat belt and open the driver's door. If you attempt to lock the vehicle, the horn tone becomes louder. The vehicle cannot be locked until you have deactivated the HOLD function.
Once you have switched off the engine, you cannot restart the engine until you have deactivated the HOLD function.