Activation conditions
You can activate the HOLD function if:
• the vehicle is stationary.
• the driver's door is closed or your seat belt is fastened.
• the electric parking brake is released.
• the hood is closed.
• the transmission is in position R, N or D.
The trunk lid must be closed in position R.
• DISTRONIC PLUS is deactivated.
See also:
Mercedes-Benz M-Class Owners Manual
...
Tread
The part of the tire that comes into contact
with the road. ...
Opening
Switch off the engine.
emove the SmartKey from the ignition lock.
KEYLESS-GO: open the driver’s door. This switches the ignition to position 0,
which corresponds to having removed the SmartK ...