See also:

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. ...

Vehicles with manual transmission
Shift to either first gear or reverse gear R. Turn the SmartKey to position 0 in the ignition lock and remove it. The immobilizer is activated. Apply the parking brake firmly. ...

Premium-grade unleaded gasoline
To ensure the longevity and full performance of the engine, only premiumgrade unleaded gasoline may be used. If there is no premium-grade unleaded gasoline available and regular-grade unleaded ...