Display messages
Possible causes/consequences and
M
M
Solutions
J
Driving and brak‐
Driving and brak‐
ing characteris‐
ing characteris‐
tics changed
tics changed
Supplementary text
Û
:
Visit workshop
Visit workshop
In addition, the
J
warning lamp lights up yellow in the instru-
ment cluster.
The vehicle's brake system is malfunctioning.
G
WARNING
Driving and braking characteristics may change.
There is a risk of an accident.
X
Drive with even greater care. Adapt your driving style to suit the
changed driving and braking characteristics.
X
Have the brake system checked at a qualified specialist work-
shop.
ú
Set driving level
Set driving level
The chassis is not at driving level. The distance control assistant
and Active Brake Assist are inoperative.
X
Set the driving level (
Y
page 142).
Ò
Distance sensor
Distance sensor
dirty
dirty
Supplementary text
Û
:
Stop vehicle and clean sensor.
Stop vehicle and clean sensor.
Active Brake Assist and distance control faulty
Active Brake Assist and distance control faulty
The distance sensor is dirty. The distance control assistant and
Active Brake Assist are inoperative.
G
WARNING
If the distance control assistant and Active Brake Assist are inoper-
ative, you will not receive any collision warnings. The vehicle will not
brake automatically in critical situations.
There is a risk of an accident.
X
Clean the distance sensor cover in the front bumper using water
(
Y
page 157).
Do not use any dry, rough or hard cloths and do not scrub or
scratch.
·
When giving an automatic collision warning, the on-board computer
shows the yellow
·
event window and a double warning tone
sounds.
G
WARNING
The distance control assistant warns you if there is a risk of crash-
ing.
There is a risk of an accident.
X
Pay particular attention to the traffic situation.
X
Slow down the vehicle using the service brake.
On-board computer event window
93
On-
boar
dc
omp
ut
er
and
dis
pla
ys
Z