Mercedes-Benz E-Class Coupe 2022 Operator's Manual page 408

406 Display messages and warning/indicator lamps 406
W W ar arning/indicat ning/indicator lamp or lamp P Possible causes/conseq ossible causes/consequences and
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If t If the coolant t
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If the coolant t If t
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* The yellow coolant warning lamp is lit while the engine is running.
Possible causes:
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Coolant warning lamp (yel-
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low)
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uences and M M Solutions Solutions
Note the messages on the instrument display.
he coolant tem emper peratur ature displa e display is at t y is at the low
Consult a quali ed specialist workshop.
he coolant tem emper peratur ature displa e display is at t y is at the upper end of t
Exit the vehicle and keep a safe distance from it until the engine has cooled down.
Check the coolant level ( page 276).
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Make sure that the air supply to the radiator is not obstructed.
Avoiding high loads on the engine, drive to the nearest quali ed specialist workshop. In doing so, ensure that the
coolant temperature display remains below the red area.
The temperature sensor is malfunctioning
The charge air, transmission oil or battery cooling is faulty
The radiator shutters are blocked or defective
Avoiding high loads on the engine, drive to the nearest quali ed specialist workshop.
he lower end of t er end of the t he tem emper peratur ature scale: e scale:
he upper end of the t he tem emper peratur ature scale: e scale: