Mercedes-Benz E-Class Coupe 2020 Owner's Manual page 389

386 Display messages and warning/indicator lamps
Display messages
Possible causes/consequences and
If it is not possible to apply the electric parking brake or the red ! indicator lamp continues to flash:
Do not continue driving. Consult a qualified specialist workshop.
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Where necessary, also secure the parked vehicle against rolling away.
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* The yellow ! indicator lamp is lit and the red ! indicator lamp 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 charge level is too low:
Charge the 12 V battery.
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To apply:
Switch the ignition off.
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The electric parking brake will be applied automatically.
If you do not want the electric parking brake to be applied, e.g. at an automatic car wash or when the vehicle is
being towed, leave the ignition switched on. This does not include having the vehicle towed with the rear axle
raised.
If the electric parking brake is not applied automatically:
Switch the ignition off and switch it back on.
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Release and then apply the electric parking brake manually (
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If it is still not possible to apply the electric parking brake:
M M Solutions
/
page 181).