Mercedes-Benz GLE 2022 Operator's Manual page 620

618 Maintenance and care
In the event of a fire in the engine com-
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partment, keep the bonnet closed and
call the fire service.
& WARNING Risk of injury due to moving
parts
Components in the engine compartment may
continue to run or start unexpectedly even
when the drive system is switched off.
Observe the following if you must open the
bonnet:
Switch off the vehicle.
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Never touch the danger zones surround-
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ing moving components, e.g. the rotation
area of the fan.
Remove jewellery and watches.
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Keep items of clothing and hair away
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from moving parts.
& WARNING Risk of burns from hot compo-
nent parts in the engine compartment
Certain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of the exhaust system.
Allow the engine to cool down and only
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touch component parts described in the
following.
& WARNING Risk of scalding from hot cool-
ant
If you open the cap, you could be scalded.
Let the motor cool down before opening
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the cap.
When opening the cap, wear protective
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gloves and safety glasses.
Open the cap slowly to release pressure.
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F167 0009 02
Park the vehicle on a level surface.
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Check the coolant temperature display on the
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driver's display.
The coolant temperature must be below 70°C.
Slowly turn cap 1 anti-clockwise to release
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overpressure.
Continue turning cap 1 anti-clockwise and
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remove it.