Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 219

When leaving the vehicle, always take the
#
key with you and lock the vehicle.
Keep the vehicle key out of the reach of
#
children.
The electric parking brake is applied if the trans-
mission is in position j and one of the following
conditions is fulfilled:
The engine is switched off.
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The seat belt tongue is not inserted in the seat
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belt buckle of the driver's seat and the driver's
door is opened.
%
To prevent application: pull the handle of the
electric parking brake ( page 218).
/
In the following situations, the electric parking
brake is also applied:
The HOLD function is keeping the vehicle sta-
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tionary.
Active Parking Assist is keeping the vehicle
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stationary.
Active Distance Assist DISTRONIC is bringing
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the vehicle to a standstill.
In addition, one of the following conditions
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must be fulfilled:
The engine is switched off.
-
The seat belt tongue is not inserted in the
-
seat belt buckle of the driver's seat and
the driver's door is opened.
There is a system malfunction.
-
The power supply is insufficient.
-
The vehicle is stationary for a lengthy
-
period.
When the electric parking brake is applied, the
red ! indicator lamp lights up in the driver dis-
play.
%
The electric parking brake is not automatically
applied if the engine is switched off by the
ECO start/stop function.
▌Function of the electric parking brake (releas-
ing automatically)
The electric parking brake is released when the
following conditions are fulfilled:
The driver's door is closed.
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The engine is running.
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P223 0288 02
Driving and parking 217
The transmission is in position h or k and
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you depress the accelerator pedal or you shift
from transmission position j to h or k
when on level ground.
If the transmission is in position k, the boot
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lid must be closed.
The seat belt tongue is inserted into the seat
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belt buckle of the driver's seat.
When the electric parking brake is released, the
red ! indicator lamp in the driver display goes
out.