See also:

Adjusting the head restraint height electrically
To adjust the head restraint height: slide the switch for head restraint adjustment () up or down in the direction of the arrow. ...

Automatic locking feature
The vehicle locks automatically when the ignition is switched on and the wheels of the vehicle are turning at a speed of more than 9 mph (15 km/h). You could therefore be locked out when: • ...

Removing a wheel
AMG vehicles: during removal and repositioning of the wheel, the wheel rim can strike the ceramic-brake disc and damage it. Therefore, take precautions and get a second person to assist you. ...