Troubleshooting
Warning and indicator lamps on the instrument cluster display
Fault in electronic parking brake. Go to a qualified workshop.
Electronic parking brake does not switch off
The electronic parking brake will not switch itself off if the prerequisites for switching off are not met
or the 12-volt vehicle battery is discharged. Use jump leads
⇒
Jump starting
.
Noises of the electronic parking brake
• Noises may be heard when the electronic parking brake is switched on or off.
• If the electronic 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. 152
In the centre console: button for the Auto Hold function.
Description of the Auto Hold function
The Auto Hold function can hold the vehicle stationary. The vehicle does not have to be held on the
foot brake.
Old: The Auto Hold function is active when the indicator lamp in the
button
⇒
Fig. 152
(arrow) lights up
yellow
and the indicator lamp
in the instrument cluster display
lights up
green
.
New: The activated Auto Hold function holds the vehicle stationary when the
indicator lamp
lights up
green
on the instrument cluster display.
The Auto Hold function stops holding the vehicle when it starts to move away.
If any of the conditions for the Auto Hold function change while the vehicle is stationary, the Auto
Hold function will switch off automatically. The
green
indicator lamp
in the instrument cluster
display then goes out together with the
yellow
indicator lamp in the
button.
Switching on the Auto Hold function
The Auto Hold function can be switched on when the driver door is closed and the engine has been
started.
• Press the
button
⇒
. The indicator lamp
⇒
Fig. 152
in the button (arrow) lights up
yellow
. The Auto Hold function is operational, but the vehicle is
not necessarily held stationary
⇒
.
The incorrect use of the electronic parking brake can cause accidents and serious
injuries.
• Never use the electronic parking brake to brake the vehicle, except in emergencies.
The braking distance is considerably longer as only the rear wheels are braked. Always
use the foot brake.
• Never activate the accelerator from the engine compartment if a position or gear has
been selected and the engine is running. The vehicle could move, even if the electronic
parking brake is applied.
WARNING
Exiting the vehicle incorrectly can cause the vehicle to roll away. This can cause
accidents, serious injuries and damage to property.
• Always park the vehicle in the specified order
⇒
Parking
.
• Before leaving the vehicle, make sure that the electronic parking brake is switched on
and that the
indicator light lights up
red
on the instrument cluster display when
the ignition is switched off.
WARNING
