Mercedes-Benz C-Class Saloon 2022 Owner's Manual page 547

544 Display messages and warning/indicator lamps
Warning/indicator lamp
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System error warning lamp
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Electrical fault warning lamp
Vehicle
Warning/indicator lamp
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Trailer hitch warning lamp
Possible causes/consequences and
*The red system error warning lamp is lit while the vehicle is in a state of operational readiness õ.
There is a malfunction in the drive system.
Note the messages on the driver's display.
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* The red electrical fault warning lamp is lit.
There is a fault with the electrics.
Note the messages on the driver's display.
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Possible causes/consequences and
* The red trailer hitch warning lamp is lit.
The trailer hitch is not operational.
& WARNING Risk of an accident if the ball neck is not locked
The trailer may become detached.
Stop the vehicle immediately in accordance with the traffic conditions. Do not continue driving.
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Uncouple the trailer and secure it against rolling away.
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Solutions
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Solutions
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