For the automatic functions to work correctly, the
driver must be seated in the correct seat position
(
/
page 61).
The function of the electric parking brake is
dependent on the on-board electrical system volt‐
age. If the on-board electrical system voltage is
low or there is a malfunction in the system, it
may not be possible to apply the electric parking
brake and the yellow
!
indicator lamp lights
up.
In this case, park the vehicle in the following way:
R
Park the vehicle on level ground and secure it
to prevent it from rolling away.
R
Vehicles with automatic transmission:
shift the transmission to position
j
.
%
The electric parking brake is only actually
applied when the red
F
and
!
indica‐
tor lamps light up continuously.
It may not be possible to release a parking brake
if the on-board electrical system voltage is low or
if there is a malfunction in the system. Inform a
qualified specialist workshop.
When the engine is switched off, the electric
parking brake carries out a function test at regu‐
lar intervals. Noises are normal in this process.
Automatically applying the electric parking
brake
Vehicles with automatic transmission:
The electric parking brake is automatically
applied when the transmission is in position
j
.
In addition, at least one of the following condi‐
tions must be fulfilled:
R
The engine is switched off
R
The driver is not sitting in the driver's seat
R
The belt buckle is undone
To prevent the electric parking brake from apply‐
ing automatically, pull switch
1
.
The electric parking brake is also automatically
applied if Active Distance Assist DISTRONIC has
brought the vehicle to a standstill.
In addition, at least one of the following condi‐
tions must be fulfilled:
R
The engine is switched off
R
The driver is not sitting in the driver's seat
R
The belt buckle is undone
R
There is a system malfunction
R
The power supply is insufficient
R
The vehicle is stationary for a long time
The red
F
and
!
indicator lamps in the
instrument display light up. The electric parking
brake is only actually applied when the red
F
and
!
indicator lamps light up continuously.
Releasing the electric parking brake automat‐
ically
Vehicles with automatic transmission:
The electric parking brake of your vehicle is
released when all of the following conditions are
fulfilled:
R
The driver is sitting in the driver's seat.
R
The driver is belted.
R
The engine is running.
R
The transmission is in position
h
or
k
and
you depress the accelerator.
or
You switch from transmission position
j
to
position
h
or
k
. You must also depress the
accelerator if traveling on steep uphill gradi‐
ents.
R
If the transmission is in position
k
, the rear-
end doors must be closed.
140 Driving and parking