Mercedes-Benz S-Sedan 2015 Owners Manual - Manual (Page 196)

Electric parking brake
General notes
G WARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example:
R release the parking brake.
R shift the automatic transmission out of the
parking position P.
R start the engine.
In addition, they may operate vehicle equip-
ment and become trapped. There is a risk of
an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
The function of the electric parking brake is
dependent on the on-board voltage. If the on-
board voltage is low or there is a malfunction
in the system, it may not be possible to apply
the released parking brake.
X
If this is the case, only park the vehicle on
level ground and secure it to prevent it roll-
ing away.
X Shift the automatic transmission to posi-
tion P.
It may not be possible to release an applied
parking brake, if the on-board voltage is low
or there is a malfunction in the system. Con-
tact a qualified specialist workshop.
The electric parking brake performs a func-
tion test at regular intervals while the engine
is switched off. The sounds that can be heard
while this is occurring are normal.
Applying/releasing manually
X
To engage: push handle :.
When the electric parking brake is applied,
the red F (USA only) or ! (Canada
only) indicator lamp lights up in the instru-
ment cluster.
The electric parking brake can also be
applied when the SmartKey is removed.
X To release: pull handle :.
The red F (USA only) or ! (Canada
only) indicator lamp in the instrument clus-
ter goes out.
The electric parking brake can only be
released:
R when the SmartKey is in position 1 or 2 in
the ignition lock (
Y
page 173) or
R if the ignition was switched on using the
Start/Stop button.
Applying automatically
The electric parking brake is engaged auto-
matically if:
R DISTRONIC PLUS brings the vehicle to a
standstill or
R
the HOLD function is keeping the vehicle
stationary
R Active Parking Assist is holding the vehicle
at a standstill
In addition, at least one of the following con-
ditions must be fulfilled:
R the engine is switched off.
R the driver's door is open and the seat belt is
not fastened.
194
Parking
Driv
ing
and
pa
rk
ing