Mercedes-Benz S-Class 2020 Owner's Manual page 574

Warning/indicator lamp
Driving systems
Warning/indicator lamp
L
Warning lamp for distance
warning function
ä
Suspension warning lamp
(yellow)
Possible causes/consequences and
Consult a qualified specialist workshop.
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Do not top up the brake fluid.
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Possible causes/consequences and
* The red distance warning lamp lights up while the vehicle is in motion.
The distance to the vehicle in front is too small for the speed selected.
If there is an additional warning tone, you are approaching an obstacle at too high a speed.
Be prepared to brake immediately.
#
Increase the distance.
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Function of Active Brake Assist (
* The yellow AIRMATIC warning lamp is lit.
A fault has occurred in AIRMATIC.
Note the messages on the driver display.
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M M Solutions
M M Solutions
page 254).
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Display messages and warning/indicator lamps 571