Mercedes-Benz S-Class 2020 Owner's Manual page 575

572 Display messages and warning/indicator lamps
Warning/indicator lamp
ä
Suspension warning lamp
(red)
Ä
Active Brake Assist warning
lamp
Possible causes/consequences and
* The red AIRMATIC warning lamp is lit.
A fault has occurred in AIRMATIC.
* NOTE The vehicle's driving characteristics will have changed significantly.
Consult a qualified specialist workshop.
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Note the messages on the driver display.
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Consult a qualified specialist workshop.
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* The Active Brake Assist yellow warning lamp is lit.
The system is restricted or unavailable.
Note the messages on the driver display.
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