Mercedes-Benz S-Class Coupe 2018, Operator'S Manual

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Display messages
Possible causes/consequences and M Solutions
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* The fan motor is defective.
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Avoiding high loads on the engine, drive on to the nearest qualified specialist workshop. In doing so, ensure that
the coolant temperature display remains below 248 °F (120 °C).
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Stop Vehicle See Opera-
tor's Manual
* The battery is no longer being charged and the battery charge level is too low.
* NOTE Possible engine damage if you continue driving
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Do not continue driving under any circumstances.
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Consult a qualified specialist workshop.
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Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. Do not
continue driving under any circumstances.
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Switch off the engine.
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Consult a qualified specialist workshop.
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Start Engine See Opera-
tor's Manual
* The engine is off and the battery charge level is too low.
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Switch off electrical consumers that are not required.
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Leave the engine running for a few minutes, or drive for a longer distance.
The battery charges.
Display messages and warning/indicator lamps 427