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:

    Overheated Engine Protection Operating Mode
    If an overheated engine condition exists and the ENGINE POWER IS REDUCED message is displayed, an overheat protection mode which alternates firing groups of cylinders helps prevent engine damage. In ...

    Engine Heater
    The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below 0°F (−18°C). Vehicles with an engine coolant heat ...

    Theft-Deterrent Feature
    TheftLock® is designed to discourage theft of the vehicle's radio by learning a portion of the Vehicle Identification Number (VIN). The radio does not operate if it is stolen or moved to a dif ...