See also:

Starting procedure with the SmartKey
To start the engine using the SmartKey instead of KEYLESS-GO, pull the Start/ Stop button out of the ignition lock. X Turn the SmartKey to position 3 in the ignition lock () and release it as ...

Vehicle data, GL 450
The data stated here refers specifically to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

Setting the airflow
Dual-zone automatic climate control •► Turn the SmartKey to position 2 in the ignition lock. •► To increase/reduce: press button 11 up or down 3-zone automatic climate control • ...