The electric parking brake does not
switch o
The prerequisites for switching o are not
met.
Or: the 12-volt vehicle battery is discharged.
1. Check whether all requirements for
switching o the electric parking brake
are met → page 184.
2. Jump-start the vehicle → page 306.
Electric parking brake makes noises
— Noises may be audible when the electric
parking brake is switched on and o.
— The brake pedal moves slightly when the
electric parking brake is switched on.
— If the electric parking brake has not been
used for a long period, the system will
carry out occasional automatic and
acoustic checks when the vehicle is
parked.
Auto Hold function
Fig. 122 In the c
entre console: button for Au-
to Hold.
The Auto Hold function secures the ve-
hicle a
gainst rolling away when sta-
tionary, without the vehicle having to
be held by the foot brake.
Prerequisites
✓ Driver door is closed.
✓ The engine is running.
If the selector lever is moved to the posi-
tion, the A
uto Hold function will not switch
on or will switch itself o. As a result, the
vehicle will not be held securely in a sta-
tionary position →
.
S
witching on the Auto Hold function
1. Press the
button → Fig. 122.
T
he indicator lamp in the
button
lights up yellow. A
uto Hold is ready for use,
but the vehicle is not necessarily stationary
→
.
If the A
uto Hold function has been switch-
ed on before switching the ignition o, the
function switches on when the ignition is
switched on the next time.
Keeping the vehicle stationary with the
Auto Hold function
1. Make sure that the Auto Hold function
is switched on.
2. Bring the vehicle to a standstill using
the brake → page 183.
3. Manual gearbox: either keep the clutch
fully depressed or shi to neutral.
4. Release the brake.
The vehicle is being kept stationary by the
Auto Hold function →
.
The indicator lamp in the instru-
ment cluster lights up green when the Auto
Hold function is active. On vehicles with an-
alogue instrument cluster: the green indi-
c
ator lamp lights up.
The hold function stops if the vehicle is
driven o or if the prerequisites for the Auto
Hold function are not met.
Switching o the Auto Hold function
1. Press the
button → Fig. 122.
T
he indicator lamp in the
button
goes out.
T
he electric parking brake switches on au-
tomatically to stop the vehicle securely.
However, the electric parking brake will not
switch on if the brake pedal is pressed
when the Auto Hold function is switched
o →
.
186 Parking and manoeuvring