Mercedes-Benz GL-Class: Displaying the coolant temperature - Standard display menu - Menus and submenus - On-board computer and displays - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Displaying the coolant temperature

WARNING Driving when your engine is overheated can 
Driving when your engine is overheated can cause some fluids which may have leaked into the engine compartment to catch fire. You could be seriously burned.
Steam from an overheated engine can cause serious burns which can occur just by opening the engine hood. Stay away from the engine if you see or hear steam coming from it.
Stop the vehicle in a safe location away from other traffic. Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine has cooled down.

Press the steering wheel to select the standard button on the steering wheel to select the standard display.
Press the coolant temperature. button to select the coolant temperature.

Under normal driving conditions, with the

Under normal driving conditions, with the correct anti-corrosion and antifreeze additive concentration, the reading may rise to 248 °F(120 °C).

248 °F(120 °C) do not continue driving. The If the coolant temperature exceeds 248 °F(120 °C) do not continue driving. The engine will otherwise be damaged.

    Standard display
    ► Press the button on the steering wheel to select the standard display. Standard display 1 Trip odometer 2 Odometer You can select the following functions in the Standard display men ...

    Displaying the digital speedometer oroutside temperature
    If you have selected the digital speedometer for the status bar, the outside temperature is displayed here. ► Press the button on the steering wheel to select the standard display. ...

    See also:

    Automatic climate control
    Press AUTO to select automatic operation. The system will adjust the heat output, blower speed, air intake and airflow distribution to maintain the selected temperature(s) and reduce misting withou ...

    Dome Lamps
    The dome lamps are located in the overhead console. They come on when any door is opened and turn off after all the doors are closed. Turn the instrument panel brightness knob located below the dome ...

    Checking Brake Fluid
    Check brake fluid by looking at the brake fluid reservoir. See Engine Compartment Overview  . The fluid level should be above MIN. If it is not, have the brake hydraulic system checked to se ...