Display messages
Possible causes/consequences and
M
M
Solutions
Traffic
Traffic Sign
Sign Assist
Assist
currently unavaila‐
currently unavaila‐
ble
ble See
See Owner's
Owner's Man‐
Man‐
ual
ual
Traffic Sign Assist is temporarily inoperative.
Possible causes:
R
the windscreen is dirty in the camera's field of vision
R
visibility is impaired due to heavy rain, snow or fog
X
Clean the windscreen.
If the system detects that the camera is fully operational, the display
message disappears.
Traffic Sign Assist is operational again.
Traffic
Traffic Sign
Sign Assist
Assist
inoperative
inoperative
Traffic Sign Assist is faulty.
X
Consult a qualified specialist workshop.
ë
Off
Off
The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
X
Reactivate the HOLD function later (
Y
page 219).
Lane
Lane Keeping
Keeping Assist
Assist
currently unavaila‐
currently unavaila‐
ble
ble See
See Owner's
Owner's Man‐
Man‐
ual
ual
or
Active Lane
Active Lane
Keeping Assist cur‐
Keeping Assist cur‐
rently unavailable
rently unavailable
See Owner's Manual
See Owner's Manual
Lane Keeping Assist or Active Lane Keeping Assist is deactivated and
temporarily inoperative.
Possible causes:
R
the windscreen is dirty in the camera's field of vision
R
visibility is impaired due to heavy rain, snow or fog
R
there have been no lane markings for an extended period
R
the lane markings are worn, dark or covered, e.g. by dirt or snow
Once the causes listed above no longer apply, the display message
goes out.
Lane Keeping Assist or Active Lane Keeping Assist is operational
again.
If the display message does not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Safeguard the vehicle against rolling away (
Y
page 191).
X
Clean the windscreen.
Lane
Lane Keeping
Keeping Assist
Assist
inoperative
inoperative
or
Active
Active
Lane
Lane Keeping
Keeping Assist
Assist
inoperative
inoperative
Lane Keeping Assist or Active Lane Keeping Assist is faulty.
X
Consult a qualified specialist workshop.
Display messages
325
On
-b
oar
d
comp
ut
er
an
d
di
sp
lay
s
Z