Coolant temperature display

WARNING
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.

The coolant temperature gauge is in the instrument cluster on the left-hand side.

Under normal operating conditions and with the specified coolant level, the coolant temperature may rise to 248 °F (120 °C).

display message is shown. If the coolant temperature is too high a display message is shown.
If the coolant temperature rises above 248 °F(120 °C), do not drive any further as this could damage the engine.

    See also:

    Roadside Assistance button
    Open the stowage compartment under the armrest. Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center ...

    Lap evaluation
    This function is only available if you have stored at least two laps and have stopped the RACETIMER. Press or on the steering wheel to select the AMG menu. Press the button repeatedly ...

    High-beam flasher
    ► To switch on: turn the SmartKey in the ignition lock to position 1 or 2 or start the engine. ► Pull the combination switch in the direction of arrow 3. ...