Mercedes-Benz Metris 2021 Operating Instructions Manual page 254

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252 Display messages and warning and indicator lamps
Display messages
?
Stop Vehicle Turn Eng.
Off
Possible causes/consequences and
The battery is no longer being charged for one of the following rea‐
sons:
Faulty alternator
R
Torn poly-V belt
R
Malfunction in the electronics
R
Stop immediately in accordance with the traffic conditions and
#
switch off the engine.
Do not continue driving. If you do, the engine may overheat.
Secure the vehicle against rolling away.
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Consult a qualified specialist workshop.
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* A warning tone also sounds. The coolant is too hot.
Stop immediately in accordance with the traffic conditions and
#
switch off the engine.
& WARNING Risk of burns when opening the hood
If you open the hood when the engine has overheated or when
there is a fire in the engine compartment, the following situa‐
tions may occur:
You could come into contact with hot gases.
R
You could come into contact with other hot, escaping oper‐
R
ating fluids.
Before opening the hood, allow the overheated engine to
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cool down.
In the event of a fire in the engine compartment, keep the
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hood closed and call the fire service.
& WARNING Risk of scalding from hot coolant
If you open the cap, you could be scalded.
Let the motor cool down before opening the cap.
#
When opening the cap, wear protective gloves and safety
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glasses.
Open the cap slowly to release pressure.
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Observe the coolant temperature display (
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Wait until the engine has cooled down.
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Ensure that the air supply to the radiator is not obstructed.
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Avoiding high engine loads, drive on to the nearest qualified spe‐
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cialist workshop. In doing so, ensure that the coolant tempera‐
ture display remains below the letter H.
M M
Solutions
page 142).
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