Mercedes-Benz GLE Coupe 2023 Operator's Manual page 466

464 Display messages and warning/indicator lamps
Warning/indicator lamp Possible causes/consequences and
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If there is an additional warning tone, the coolant temperature has exceeded the maximum permissible temperature.
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If the coolant temperature display is at the lower end of the temperature scale:
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If the coolant temperature display is at the upper end of the temperature scale:
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The radiator fan is faulty
The engine coolant pump is faulty
& WARNING Risk of burns when opening the hood
If you open the hood in the event of an overheated engine or fire in the engine compartment, the following situations
may occur:
You may come into contact with hot gases.
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You may come into contact with other escaping hot operating fluids.
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Before opening the hood, allow the engine to cool down.
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In the event of a fire in the engine compartment, keep the hood closed and call the fire service.
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Stop immediately in accordance with the traffic conditions and switch off the vehicle. Do not continue driving.
Note the messages on the driver's display.
Consult a qualified specialist workshop.
Exit the vehicle and keep a safe distance from it until the engine has cooled down.
Solutions