See also:

High-beam headlamps
•► To switch on the high-beam headlamps: turn the SmartKey in the ignition lock to position 2 or start the engine. •► Turn the light switch to or . •► Press the combination ...

Vehicle data, GL 550
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. ...

Overview: changing bulbs/bulb types
You can change the following bulbs. The bulb type can be found in the legend Halogen headlamps 1. Low-beam headlamps: H7 55 2. High-beam headlamp: H7 55 W 3. Parking lamp/standing lamp: ...