Applying or releasing the electric parking brake manually
WARNING Risk of accident and injury due to children left unattended in the vehicle
If you leave children unaccompanied in the vehicle, they may be able to set the vehicle in motion, for example by:
Releasing the parking brake.
Shifting the manual transmission into neutral.
Starting the engine.
In addition, they may operate vehicle equipment.
Never leave children and animals unattended in the vehicle.
When leaving the vehicle, always take the key with you and lock the vehicle. This also applies to mobile phones if the "Digital Car Key in the smartphone" function is activated via the Mercedes me connect web app.
WARNING Risk of accident and injury due to children left unattended in the vehicle
If you leave children unattended in the vehicle, they may be able to set the vehicle in motion, for example by:
Releasing the parking brake.
Shifting the transmission out of park position
. Starting the engine.
In addition, they may operate vehicle equipment.
Never leave children and animals unattended in the vehicle.
When leaving the vehicle, always take the key with you and lock the vehicle. This also applies to mobile phones if the "Digital Car Key in the smartphone" function is activated via the Mercedes me connect web app.
To apply:
push handle 
. The 
indicator lamp appears in the instrument cluster.
To release:
switch on the ignition. Pull handle .
. The indicator lamp in the instrument cluster goes out.