Operation Manual

Driving systems
Display messages
Possible causes/consequences and MM Solutions
À
Attention Assist:Attention Assist:
Take a Break!Take a Break!
Based on certain criteria, ATTENTION ASSIST has detected fatigue
or a lack of concentration on the part of the driver. A warning tone
also sounds.
X
If necessary, take a break.
During long journeys, take regular breaks in good time so you get
enough rest.
À
Attention AssistAttention Assist
InoperativeInoperative
ATTENTION ASSIST is inoperative.
X
Visit a qualified specialist workshop.
ë
OffOff
The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
X
Reactivate the HOLD function later (Y page 163).
The HOLD function is deactivated. When the brake pedal is firmly
depressed, an activation condition is not fulfilled.
A warning tone also sounds.
X
Check the activation conditions for the HOLD function
(Y page 163).
Blind Spot AssistBlind Spot Assist
Currently Unavail‐Currently Unavail‐
able See Opera‐able See Opera‐
tor's Manualtor's Manual
Blind Spot Assist is temporarily inoperative. Possible causes are:
R
function is impaired due to heavy rain or snow.
R
the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
R
the radar sensor system is outside the operating temperature
range.
The yellow 9 indicator lamps also light up in the exterior mir-
rors.
When the causes stated above no longer apply, the display mes-
sage disappears.
Blind Spot 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
Secure the vehicle against rolling away (Y page 153).
X
Start the drive system again.
Display messages
219
On-board computer and displays
Z