Mercedes-Benz GLS Owner's Manual page 468

Display messages
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Coolant Stop vehicle
Switch engine off
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Possible causes/consequences and
* The coolant is too hot.
Stop the vehicle immediately in accordance with the traffic conditions and switch off the engine.
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& WARNING Risk of burns when opening the bonnet
If you open the bonnet when the engine has overheated or when there is a fire in the engine compartment, the
following situations may occur:
You could come into contact with hot gases.
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You could come into contact with other hot, escaping operating fluids.
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Before opening the bonnet, allow the engine to cool down.
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In the event of a fire in the engine compartment, keep the bonnet closed and call the fire service.
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Wait until the engine has cooled down.
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Make sure that the air supply to the radiator is not obstructed.
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Avoiding high loads on the engine, drive to the nearest qualified specialist workshop. In doing so, ensure that
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the coolant temperature display remains below 120°C.
* There is a malfunction in the engine cooling system.
Avoiding high loads on the engine, drive to the nearest qualified specialist workshop. In doing so, ensure that
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the coolant temperature display remains below 120°C.
Display messages and warning/indicator lamps 465
M M Solutions