Mercedes-Benz C-Class Saloon 2022 Owner's Manual page 549

546 Display messages and warning/indicator lamps
Warning/indicator lamp
Ù
Rear axle steering warning
lamp (yellow)
Engine
Warning/indicator lamp
ÿ
Coolant warning lamp (red)
Possible causes/consequences and
* The yellow rear axle steering warning lamp is lit while the vehicle is running.
The rear axle steering is malfunctioning.
Note the messages on the driver's display.
#
Possible causes/consequences and
* The red coolant warning lamp is lit while the engine is running.
Possible causes:
The temperature sensor is malfunctioning
R
The coolant level is too low
R
The air supply to the radiator is obstructed
R
The radiator fan is faulty
R
The engine coolant pump is faulty
R
If there is an additional warning tone, the coolant temperature has exceeded 120°C.
Solutions
M
Solutions
M