Mercedes-Benz S-Class Owner's Manual page 602

600 Display messages and warning/indicator lamps
Warning/indicator lamp Possible causes/consequences and
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The red electric parking brake indicator lamp flashes or is lit. The yellow indicator lamp is also lit if the electric parking
brake malfunctions.
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Red indicator lamp, electric
parking brake applied
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Yellow electric parking
brake indicator lamp is mal‐
functioning
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The yellow brake system warning lamp is lit while the engine is running.
& WARNING Risk of an accident due to a brake system malfunction
If the brake system is malfunctioning, braking characteristics may be impaired.
Brake system warning lamp
(yellow)
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Observe the messages on the multifunction display.
Drive on carefully.
Have the brake system checked immediately at a qualified specialist workshop.
Adjust your speed and continue to drive carefully, leaving a suitable distance to the vehicle in front.
If the multifunction display shows a display message, please observe this.
Consult a qualified specialist workshop.
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