See also:

Brow of hill
When driving up an uphill gradient, slightly reduce pressure on the accelerator immediately before reaching the brow of the hill. Use the vehicle's own impetus to drive over the top of the hil ...

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. ...

General notes
USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must a ...