Mercedes-Benz S-Class 2019 Operator's Manual page 483

Display messages
Possible causes/consequences and
The yellow ! indicator lamp is lit and the red F (USA only) or ! (Canada only) indicator lamp is flashing.
The electric parking brake is malfunctioning.
The electric parking brake could not be applied or released.
Switch off the ignition and switch it back on.
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To apply:
Release and then apply the electric parking brake manually (
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To release:
Apply and then release the electric parking brake manually.
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If the electric parking brake cannot be applied or the red F (USA only) or ! (Canada only) indicator lamp
continues to flash:
Do not continue driving under any circumstances. Consult a qualified specialist workshop.
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Where necessary, also safeguard the parked vehicle against rolling away.
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The yellow ! indicator lamp is on and the red F indicator lamp (USA only) or the ! indicator lamp (Can‐
ada only) flashes for approximately ten seconds after the electric parking brake has been applied or released. It
then remains lit or goes out. The electric parking brake is malfunctioning.
If the battery charge level is too low:
Charge the battery.
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To apply:
Display messages and warning/indicator lamps 481
M M Solutions
→
page 190).