See also:

2009 Mercedes-Benz GL-Class Review
With a 23-mpg diesel version now available in all 50 states, the Mercedes-Benz GL-Class is a more viable option for SUV-needing families — though the appeal of a $60,000-plus four-wheeler seems li ...

Controlling the front climate control using the front control panel
Turn the SmartKey to position 2 in the ignition lock. Set the desired temperature. To switch on: press the rocker switch up or down. The indicator lamp in the rocker switch lights up. ...

Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the SmartKey, use the mechanical key. Open the driver's door. Close the front-passenger door, the rear doors and the tailgate. Press the locki ...