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370 Display messages and warning/indicator lamps
Engine
Warning/indicator lamp
Possible causes/consequences and
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The red coolant warning lamp is lit while the engine is running.
*Possible causes:
R
Coolant warning lamp
R
R
R
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:
The temperature sensor is malfunctioning
The coolant level is too low
The air supply to the radiator is obstructed
The radiator fan is faulty
& WARNING Danger of burns when opening the hood
If you open the hood when the engine has overheated or during a fire in the engine compartment, you could
come into contact with hot gases or other escaping operating fluids.
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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Pull over and stop the vehicle safely and switch off the engine, paying attention to road and traffic conditions. Do
not continue driving.
Note the messages on the multifunction display.
M M
Solutions
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