See also:

Setting the front-compartment temperature using the front control panel
Turn the SmartKey to position 2 in the ignition lock. To increase/reduce: press the rocker switch up or down. Only change the temperature setting in small increments. Start at 72 °F (22 °C ...

Please bear the following in mind
Resetting service interval display If the qualified specialist workshop, e.g. a Mercedes-Benz Center, carried out the maintenance work, the service interval display will be reset. Further info ...

Ride & Handling
The GL has a unibody frame — rare among full-size SUVs — and its four-wheel-independent air suspension swaps traditional coil springs for inflatable air bladders. Its ride height can be varied to ...